Ford Explorer Quiz
Body and Paint

Diagnosis and Testing - Wipers and Washers

In this manual: Body and Paint
General Information — 41Chassis — 173Powertrain — 250Electrical — 303Body and Paint — 331
~64min read
1special tools

Diagnostic Trouble Code (DTC) Chart

The diagnosis in this manual assumes a certain level of skill and knowledge of Ford-approved diagnostic procedures.
REFER TO: Diagnostic Methods (100-00 General Information, Description and Operation).


Diagnostic Trouble Code Chart


Module Trouble Code Description Action
BCM B130F: 12 Accessory Control: Short to Battery GO to Pinpoint Test A
BCM B130F: 14 Accessory Control: Short to Ground or Open Circuit GO to Pinpoint Test A
BCM B130F: 14 Accessory Control: Short to Ground or Open Circuit GO to Pinpoint Test D
SCCM B10AD:02 Rain sensor: General signal failure GO to Pinpoint Test F
SCCM B10AD:08 Rain Sensor: Signal/Message Bus Failure GO to Pinpoint Test F
SCCM B10AD:49 Rain sensor: Internal electronic failure GO to Pinpoint Test Q
SCCM B10AD:55 :Rain Sensor: Not Configured GO to Pinpoint Test P
SCCM B1131:02 Wiper motor module: General signal failure GO to Pinpoint Test A
SCCM B1131:02 Wiper motor module: General signal failure GO to Pinpoint Test D
SCCM B1131:08 Wiper Motor Module: Signal/Message Bus Failure GO to Pinpoint Test B
SCCM B1131:49 Wiper Motor Module: Internal Electronic Failure GO TO Pinpoint Test R
SCCM B1131:55 :Wiper Motor Module: Not Configured GO to Pinpoint Test P
SCCM B124E:11 Wiper switch pack: Circuit short to ground GO to Pinpoint Test V
SCCM B124E:13 Wiper switch pack: Circuit open GO to Pinpoint Test V
SCCM B124E: 55 Wiper Switch: Not Configured GO to Pinpoint Test V
SCCM B124E: 96 Wiper switch pack: Internal component failure GO to Pinpoint Test V
SCCM B124E:9E Wiper switch pack: Stuck in on position GO to Pinpoint Test V

Symptom Chart

Symptom Chart: Wiper and Washer

The diagnostics described in this manual assume a certain level of skill and knowledge of Ford diagnostic methods.
REFER TO: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).


Symptom Chart


Condition Action
All wiper modes inoperative.
  • GO to Pinpoint Test A
Intermittent and/or low speed wipers inoperative.
  • GO to Pinpoint Test B
High speed windshield wipers inoperative.
  • GO to Pinpoint Test C
Wipers run continuously
  • GO to Pinpoint Test D
Wipers operate incorrectly in intermittent mode
  • GO to Pinpoint Test E
Rain-sensing wiper function inoperative.
  • GO to Pinpoint Test F
Rain-sensing wipers operate erratically/unevenly.
  • GO to Pinpoint Test F
Rain-sensing wipers are too sensitive/not sensitive enough to moisture
  • GO to Pinpoint Test F
Windshield wipers do not park in the correct position
  • GO to Pinpoint Test G
Windshield washer inoperative
  • GO to Pinpoint Test H
Windshield washer always on
  • GO to Pinpoint Test I
One or more rear window wiper modes inoperative
  • GO to Pinpoint Test J
Rear window wiper runs continuously
  • GO to Pinpoint Test K
Rear washer inoperative
  • GO to Pinpoint Test L
Rear washer always on
  • GO to Pinpoint Test M
Front camera washer inoperative
  • GO to Pinpoint Test N
Rear Camera Washer Does Not Operate
  • GO TO Pinpoint Test O
Headlamp Washer System Does Not Operate
  • GO to Pinpoint Test S
Headlamp Washer System Operates Continuously
  • GO TO Pinpoint Test T
Heated Wiper Park Does Not Operate
  • GO to Pinpoint Test U

Pinpoint Tests


PINPOINT TEST A: ALL WIPER MODES INOPERATIVE

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
BCM B130F: 12 Accessory Control: Short to Battery Sets when the BCM detects a voltage short circuit in the wiper relay control circuit.
BCM B130F: 14 Accessory Control: Short to Ground or Open Circuit Sets when the BCM detects an open circuit in the wiper relay control circuit.
SCCM B1131:02 Wiper motor module: General signal failure Sets when the wiper motor safety circuit input does not match the requested input from the SCCM.

Possible Sources

  • Fuse
  • Wiring, Terminals or Connectors
  • BCM-C
  • Wiper/Washer Switch
  • Wiper motor
  • SCCM
  • BCM

Visual Inspection and Pre-checks

  • Check that fuse BCM-C 69 (30A) is OK.
NOTICE: Use the correct probe adapter(s) when making measurements. Using incorrect probe adapter(s) may damage the connector.
A1 CHECK THE BCM (BODY CONTROL MODULE) DTC B130F:12, B130F:14 OR SCCM (STEERING COLUMN CONTROL MODULE) DTC B1131:02
  • The ignition is on.
  • Using a scan tool, perform the BCM self-test.
  • Using the diagnostic scan tool, perform the SCCM self-test.

Is DTC B130F:12, B130F:14 or B1131:02 present?
Yes For DTC B130F:12 GO to A2
For DTC B130F:14 GO to A4
For DTC B1131:02 GO to A10
No GO to A6
A2 CHECK THE WIPER RELAY CONTROL CIRCUIT FOR A VOLTAGE SHORT CIRCUIT
  • Ignition OFF.
  • Disconnect the C2280F connector.
  • Disconnect BCM-C C1035A.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C2280F-24 Ground

Is there voltage present?
Yes GO to A3
No GO to A14
A3 REPAIR THE SHORT TO VOLTAGE IN THE WIPER RELAY CONTROL CIRCUIT
  • Ignition OFF.
  • Disconnect BCM-C C1035A.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1035A-40 Ground

Is there voltage present?
Yes REPAIR the circuit.
No INSTALL a new BCM-C.
A4 CHECK THE VOLTAGE IN THE WIPER RELAY CONTROL CIRCUIT
  • Ignition OFF.
  • Disconnect the C2280F connector.
  • Disconnect BCM-C C1035A.
  • Action:
    Positive lead Measurement/Action Negative lead
    C2280F-24 Ground

Is the voltage greater than 11 volts?
Yes REPAIR the circuit.
No GO to A5
A5 CHECK THE WIPER RELAY CONTROL CIRCUIT FOR AN OPEN
  • Disconnect BCM-C C1035A.
  • Action:
    Positive lead Measurement/Action Negative lead
    C1035A-40 C2280F-24

Is the resistance less than 3 ohms?
Yes GO to A14
No REPAIR the circuit.
A6 CHECK THE SCCM (STEERING COLUMN CONTROL MODULE) INPUT USING WIPER/WASHER SWITCH PARAMETER IDENTIFICATIONS (PIDS)
  • Using the diagnostic scan tool, view the SCCM Parameter Identifications (PIDs).

    • Access the SCCM and monitor the F_WASH_SW PID

    • Access the SCCM and monitor the F_WIP_INT_D1 PID

    • Access the SCCM and monitor the F_WIP_INT_D2 PID

    • Access the SCCM and monitor the F_WIP_INT_D3 PID

    • Access the SCCM and monitor the F_WIP_INT_D4 PID

    • Access the SCCM and monitor the F_WIP_INT_D5 PID.

    • Access the SCCM and monitor the F_WIP_INT_D6 PID.

    • Access SCCM and monitor F_WIP_SLO_SW PID

    • Access SCCM and monitor F_WIPE_FAST_SW PID

    • Access SCCM and monitor F_WIPE_SINGLE PID

  • Turn the wiper/washer switch from the OFF position to the HIGH speed position, and then back to the OFF position.

Do the Parameter Identifications (PIDs) correctly match each setting selection?
Yes GO to A7
No INSTALL a new wiper/washer switch.
REFER TO: Multifunction Switch, Steering Column, Right (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). CHECK the system for normal operation. If the concern is not resolved, CHECK OASIS for any applicable service articles: TSBs, GSBs, SSMs or FSAs. If a service article applies to this concern, STOP this test and FOLLOW the service article instructions. If no service articles apply, INSTALL a new SCCM.
REFER TO: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
A7 CHECK THE WINDSHIELD WIPER MOTOR VOLTAGE
  • Ignition OFF.
  • Disconnect the wiper motor C1655.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1655-8 Ground

Is the voltage greater than 11 volts?
Yes GO to A9
No CHECK that fuse BCM-C 69 (30A) is OK. If OK, GO to A8.
If not OK, REFER TO the Wiring Diagrams Cell to identify the possible cause of the short circuit.
A8 CHECK THE WINDSHIELD WIPER MOTOR POWER SUPPLY CIRCUIT FOR OPEN
  • Ignition OFF.
  • Disconnect BCM-C C1035B.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1655-8 C1035B-30

Is the resistance less than 3 ohms?
Yes INSTALL a new BCM-C.
No REPAIR the circuit.
A9 CHECK THE WINDSHIELD WIPER MOTOR GROUND CIRCUIT FOR OPEN
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1655-8 C1655-6

Is the voltage greater than 11 volts?
Yes GO to A10
No REPAIR the circuit.
A10 CHECK THE HIGH SPEED WIPER FAIL-SAFE GROUND CIRCUIT

NOTICE: The following Pinpoint Test uses a test lamp to simulate normal circuit loads. Use only the Rotunda test lamp (SGT27000) or a 250-300 mA incandescent test lamp. To avoid damaging the connector terminals, use the Rotunda Flex Probe kit to connect the test lamp probe to the vehicle. Do not use the test lamp probe directly on any connector.

  • Connect:
    Click to display connectors
    Positive lead Measurement/Action Negative lead
    C1655-1 C1655-8
  • The ignition is on.
  • Set the wiper/washer switch to high speed, then turn it off.

Does the indicator lamp illuminate when the wiper/washer switch is in the high speed position?
Yes GO to A12
No GO to A11
A11 CHECK THE HIGH SPEED WIPER FAIL-SAFE GROUND CIRCUIT FOR OPEN
  • Ignition OFF.
  • Disconnect the SCCM C226A.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1655-1 C226A-4

Is the resistance less than 3 ohms?
Yes INSTALL a new wiper/washer switch.
REFER TO: Multifunction Switch, Steering Column, Right (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). CHECK the system for normal operation. If the concern is not resolved, GO to A13.
No REPAIR the circuit.
A12 CHECK WINDSHIELD WIPER MOTOR OPERATION
  • Disconnect and inspect the windshield wiper motor connector.
  • Repair:
    • corrosion (install a new connector or terminal - clean the module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Connect the windshield wiper motor connector. Make sure it is properly seated and latched.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes INSTALL a new wiper motor.
REFER TO: Wiper Motor (501-16 Wipers and Washers, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
A13 CHECK SCCM (STEERING COLUMN CONTROL MODULE) OPERATION
  • Disconnect and inspect all SCCM connectors:
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent pins - install new terminals/pins
    • backed-out pins - install new pins as necessary
  • Reconnect the SCCM connectors. Make sure they are fully seated and locked.

Is the concern still present?
Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If no TSBs apply to this concern, INSTALL a new SCCM.
REFER TO: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.
A14 CHECK BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all BCM connectors:
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent pins - install new terminals/pins
    • backed-out pins - install new pins as necessary
  • Reconnect the BCM connectors. Make sure they are fully seated and locked.

Is the concern still present?
Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If the TSBs do not resolve the concern,
Click here to access the guided procedure (BCM). Internet Explorer version 11 or later is required to perform this Pinpoint test.
No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.
PINPOINT TEST B: WINDSHIELD WIPERS OPERATE IN INTERMITTENT AND/OR LOW SPEED, BUT DO NOT OPERATE

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
SCCM B1131:08 Wiper motor module: Bus signal/message failures Sets when the SCCM detects a LIN communication failure with the wiper motor.

Possible Sources

  • Wiring, Terminals or Connectors
  • Wiper/Washer Switch
  • Wiper motor
  • Rain sensor
  • SCCM

Visual Inspection and Pre-checks

  • Inspect the wiper/washer switch for damage.
NOTE: After repair, it may be necessary to disconnect and then reconnect the battery to restore wiper operation.
B1 CHECK HIGH SPEED WIPER OPERATION
  • The ignition is on.
  • Set the wiper/washer switch to high speed. Observe the windshield wiper operation. Set the wiper/washer switch to off.

Do the windshield wipers operate when the wiper/washer switch is in the high speed position?
Yes GO to B2
No GO to Pinpoint Test A
B2 CHECK LOW SPEED WIPER OPERATION
  • Set the wiper/washer switch to low speed. Observe the windshield wiper operation. Set the wiper/washer switch to off.

Do the windshield wipers operate when the wiper/washer switch is in the low speed position?
Yes If the vehicle is not equipped with a rain sensor, GO to Pinpoint Test E.
If equipped with a rain sensor, GO to Pinpoint Test F.
No GO to B3
B3 CHECK SCCM (STEERING COLUMN CONTROL MODULE) INPUT
  • Using the diagnostic scan tool, view the SCCM Parameter Identifications (PIDs).

  • Access SCCM and monitor F_WIP_SLO_SW PID

  • Set the wiper/washer switch to low speed.

Does the PID indicate the wiper/washer switch is in the low speed position?
Yes If equipped with a rain sensor, GO to B4.
If not equipped with a rain sensor, GO to B5.
No INSTALL a new wiper/washer switch.
REFER TO: Multifunction Switch, Steering Column, Right (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). CHECK the system for normal operation. If the concern is not resolved, CHECK OASIS for any applicable service articles: TSBs, GSBs, SSMs or FSAs. If a service article applies to this concern, STOP this test and FOLLOW the service article instructions. If no service articles apply, INSTALL a new SCCM.
REFER TO: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
B4 DISCONNECT THE RAIN SENSOR
  • Ignition OFF.
  • Disconnect the rain sensor C914.
  • The ignition is on.
  • Set the wiper/washer switch to low speed. Observe the windshield wiper operation. Set the wiper/washer switch to off.

Do the windshield wipers operate when the wiper/washer switch is in the low speed position?
Yes INSTALL a new rain sensor.
REFER TO: Rain Sensor (501-16 Wipers and Washers, Removal and Installation).
No GO to B5
B5 CHECK LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect the wiper motor C1655.
  • Disconnect the SCCM C226A.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1655-4 Ground

Is there voltage present?
Yes REPAIR the circuit.
No GO to B6
B6 CHECK LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR SHORT TO GROUND
  • Ignition OFF.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1655-4 Ground

Is the resistance greater than 10000 Ohms?
Yes GO to B7
No REPAIR the circuit.
B7 CHECK LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR OPEN
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1655-4 C226A-3

Is the resistance less than 3 ohms?
Yes GO to B8
No REPAIR the circuit.
B8 CHECK WINDSHIELD WIPER MOTOR OPERATION
  • Disconnect and inspect the windshield wiper motor connector.
  • Repair:
    • corrosion (install a new connector or terminal - clean the module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Connect the windshield wiper motor connector. Make sure it is properly seated and latched.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes INSTALL a new wiper motor.
REFER TO: Wiper Motor (501-16 Wipers and Washers, Removal and Installation). CHECK the system for normal operation. If the concern is not resolved, GO to step B9.
No The system is currently operating correctly. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
B9 CHECK THE SCCM (STEERING COLUMN CONTROL MODULE) OPERATION
  • Disconnect and inspect all SCCM connectors.
  • Repair:
    • corrosion (install a new connector or terminal - clean the module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the SCCM connectors. Make sure that they are correctly installed and latched.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB applies to this concern, STOP this test and FOLLOW the TSB instructions. If no TSBs apply, INSTALL a new SCCM. REFER TO: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
PINPOINT TEST C: HIGH SPEED WIPERS INOPERATIVE

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

  • Wiper motor
  • Wiper/Washer Switch
  • SCCM
C1 CHECK THE SCCM (STEERING COLUMN CONTROL MODULE) INPUT
  • The ignition is on.
  • Using the diagnostic scan tool, view the SCCM Parameter Identifications (PIDs).

  • Access SCCM and monitor F_WIPE_FAST_SW PID

  • Set the windshield wiper/washer switch to high speed.

Does the PID indicate that the windshield wiper/washer switch is in the high speed position?
Yes INSTALL a new wiper motor.
REFER TO: Wiper Motor (501-16 Wipers and Washers, Removal and Installation).
No INSTALL a new wiper/washer switch.
REFER TO: Multifunction Switch, Steering Column, Right (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). CHECK the system for normal operation. If the concern is not resolved, CHECK OASIS for any applicable service articles: TSBs, GSBs, SSMs or FSAs. If a service article applies to this concern, STOP this test and FOLLOW the service article instructions. If no service articles apply, INSTALL a new SCCM. REFER TO: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
PINPOINT TEST D: WINDSHIELD WIPERS REMAIN ON CONTINUOUSLY

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
BCM B130F: 14 Accessory Control: Short to Ground or Open Circuit Sets when the BCM detects a short to ground in the wiper relay control circuit.
SCCM B1131:02 Wiper motor module: General signal failure Sets when the wiper motor safety circuit input does not match the requested input from the SCCM.

Possible Sources

  • Wiring, Terminals or Connectors
  • Wiper/Washer Switch
  • BCM-C
  • Wiper motor
  • SCCM

Visual Inspection and Pre-checks

  • Inspect the wiper/washer switch for damage.
D1 CHECK THE WINDSHIELD WIPER OPERATION WITH THE IGNITION OFF
  • Ignition OFF.
  • Observe the windshield wiper operation.

Do the windshield wipers operate with the ignition off?
Yes GO to D5
No GO to D2
D2 CHECK THE WINDSHIELD WIPER OPERATION WITH THE SCCM (STEERING COLUMN CONTROL MODULE) DISCONNECTED
  • Ignition OFF.
  • Disconnect the SCCM C226A.
  • The ignition is on.
  • Observe the windshield wiper operation.

Do the windshield wipers continue to operate?
Yes GO to D3
No INSTALL a new wiper/washer switch.
REFER TO: Multifunction Switch on Steering Column, Right (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). VERIFY the system operates correctly. If the concern is not resolved, GO to D9.
D3 CHECK THE HIGH SPEED SENSE CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Disconnect the wiper motor C1655.
  • Disconnect the SCCM C226A.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1655-1 Ground

Is the resistance greater than 10000 Ohms?
Yes GO to D4
No REPAIR the circuit.
D4 CHECK THE WINDSHIELD WIPER MOTOR OPERATION
  • Disconnect and inspect the windshield wiper motor connector.
  • Repair:
    • corrosion (install a new connector or terminal - clean the module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Connect the windshield wiper motor connector. Make sure it is properly seated and latched.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes INSTALL a new wiper motor.
REFER TO: Wiper Motor (501-16 Wipers and Washers, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
D5 CHECK THE BCM (BODY CONTROL MODULE) DTC B130F:14
  • The ignition is on.
  • Using a scan tool, perform the BCM self-test.

Is DTC B130F:14 present?
Yes GO to D6
No GO to D8
D6 CHECK THE WINDSHIELD WIPER RELAY CONTROL CIRCUIT FOR A SHORT TO GROUND
  • Disconnect the C2280F connector.

Do the windshield wipers continue to operate?
Yes GO to D7
No GO to D10
D7 REPAIR THE WINDSHIELD WIPER RELAY CONTROL CIRCUIT SHORT TO GROUND
  • Ignition OFF.
  • Disconnect BCM-C C1035A.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C2280F-24 Ground

Is the resistance greater than 10000 Ohms?
Yes INSTALL a new BCM-C.
No REPAIR the circuit.
D8 CHECK THE WINDSHIELD WIPER SYSTEM VOLTAGE SUPPLY CIRCUITS FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect BCM-C C1035A.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1035A-22 Ground
    C1035A-30 Ground
    C1035A-23 Ground

Is there voltage present?
Yes REPAIR the circuit.
No CHECK OASIS for any applicable service information: TSB, GSB, SSM or FSA. If service information exists for this concern, STOP this test and FOLLOW the service information procedure. If no service information exists, INSTALL a new BCM-C.
D9 CHECK THE SCCM (STEERING COLUMN CONTROL MODULE) OPERATION
  • Disconnect and inspect all SCCM connectors.
  • Repair:
    • corrosion (install a new connector or terminal - clean the module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the SCCM connectors. Make sure they are fully seated and locked.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service information: TSB, GSB, SSM or FSA. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service article exists, INSTALL a new SCCM.
REFER TO: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
D10 CHECK THE BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all BCM connectors.
  • Repair:
    • corrosion (install a new connector or terminal - clean the module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the BCM connectors. Make sure they are fully seated and locked.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service article exists for this concern,
Click here to access the guided procedure (BCM). Internet Explorer version 11 or later is required to perform this Pinpoint test.
No The system is currently operating correctly. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
PINPOINT TEST E: WIPERS OPERATE INCORRECTLY IN INTERMITTENT MODE

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

  • Wiper/Washer Switch
  • Wiper motor
  • SCCM

Visual Inspection and Pre-checks

  • Inspect the wiper/washer switch for damage.
E1 CHECK IF THE VEHICLE IS EQUIPPED WITH A RAIN SENSOR
  • Inspect the vehicle for a rain sensor.

Is the vehicle equipped with a rain sensor?
Yes GO to E2
No GO to E3
E2 MAKE SURE THAT THE RAIN WIPE FUNCTION IS ENABLED IN THE VEHICLE MESSAGE CENTER
  • The ignition is on.
  • Access the vehicle settings in the message center using the steering wheel controls and check the rain sensitivity function setting.

Is the rain sensitivity function enabled?
Yes GO to Pinpoint Test F
No GO to E3
E3 CHECK THE WINDSHIELD WIPER LOW SPEED OPERATION
  • The ignition is on.
  • Set the windshield wiper/washer switch to low speed. Observe the windshield wiper operation. Set the windshield wiper/washer switch to off.

Do the windshield wipers operate at low speed when low speed is selected?
Yes GO to E4
No GO to Pinpoint Test B
E4 CHECK THE WINDSHIELD WIPER/WASHER SWITCH INPUT
  • Using the diagnostic scan tool, view the SCCM PIDs.

    • Access the SCCM and monitor the F_WIP_INT_D1 PID

    • Access the SCCM and monitor the F_WIP_INT_D2 PID

    • Access the SCCM and monitor the F_WIP_INT_D3 PID

    • Access the SCCM and monitor the F_WIP_INT_D4 PID

    • Access the SCCM and monitor the F_WIP_INT_D5 PID.

    • Access the SCCM and monitor the F_WIP_INT_D6 PID.

  • Cycle the windshield wiper/washer switch from the off position through each of the intermittent settings.

Do the PIDs correctly match each switch setting?
Yes INSTALL a new wiper motor.
REFER TO: Wiper Motor (501-16 Wipers and Washers, Removal and Installation).
No INSTALL a new wiper/washer switch.
REFER TO: Multifunction Switch, Steering Column, Right (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). CHECK the system for normal operation. If the concern is not resolved, CHECK OASIS for any applicable service articles: TSBs, GSBs, SSMs or FSAs. If a service article applies to this concern, STOP this test and FOLLOW the service article instructions. If no service articles apply, INSTALL a new SCCM.
REFER TO: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
PINPOINT TEST F: RAIN SENSING WIPER FUNCTION DOES NOT OPERATE/OPERATES INCORRECTLY

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
SCCM B10AD:02 Rain sensor: General signal failure Sets when the SCCM detects a communication error with the rain sensor.
SCCM B10AD:08 Rain sensor: Bus signal/message failures Sets when the SCCM detects a communication error with the rain sensor.

Possible Sources

  • Fuse
  • Wiring, Terminals or Connectors
  • The rain sensitivity function is not enabled
  • Foreign material on the windshield, such as dirt, dust or insects
  • Wipers
  • Windshield
  • Wiper/Washer Switch
  • Wiper motor
  • Rain sensor gel lens (part of the rain sensor)
  • Rain sensor
  • SCCM

Visual Inspection and Pre-checks

  • Inspect BCM-C fuse 124 (5A) and make sure it is serviceable.
  • Inspect the windshield for damage.
  • Inspect the rain sensor mounting for damage.
F1 CHECK THE WINDSHIELD WIPER LOW SPEED OPERATION
  • The ignition is on.
  • Set the windshield wiper/washer switch to low speed. Observe the windshield wiper operation. Set the windshield wiper/washer switch to off.

Do the windshield wipers operate at low speed when low speed is selected?
Yes GO to F2
No GO to Pinpoint Test B
F2 CHECK DTC B10AD:02 OR B10AD:08
  • Using the diagnostic scan tool, perform the SCCM self-test.

Are any diagnostic trouble codes (DTCs) present?
Yes For DTC B10AD:02 or B10AD:08, GO to F11.
For information on all other diagnostic trouble codes (DTCs), REFER to the SCCM DTC table in this section.
No GO to F3
F3 MAKE SURE THAT THE RAIN WIPE FUNCTION IS ENABLED IN THE VEHICLE MESSAGE CENTER
  • Access the vehicle settings in the message center using the steering wheel controls. Make sure that the rain sensitivity function is enabled.

Is the rain sensitivity function enabled?
Yes GO to F4
No ENABLE the rain sensitivity feature. INFORM the customer how to turn the rain sensitivity feature on/off.
F4 CHECK WIPER/WASHER SWITCH INPUT
  • Using the diagnostic scan tool, monitor the following SCCM wiper/washer switch PIDs:

    • Access the SCCM and monitor the F_WIP_INT_D1 PID

    • Access the SCCM and monitor the F_WIP_INT_D2 PID

    • Access the SCCM and monitor the F_WIP_INT_D3 PID

    • Access the SCCM and monitor the F_WIP_INT_D4 PID

    • Access the SCCM and monitor the F_WIP_INT_D5 PID.

    • Access the SCCM and monitor the F_WIP_INT_D6 PID.

  • Move the wiper/washer switch from the OFF position to each of the automatic/intermittent sensitivity settings.

Do the Parameter Identifications (PIDs) correctly match each setting selection?
Yes GO to F5
No INSTALL a new wiper/washer switch.
REFER TO: Multifunction Switch, Steering Column, Right (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). CHECK the system for normal operation. If the concern is not resolved, CHECK OASIS for any applicable service articles: TSBs, GSBs, SSMs or FSAs. If a service article applies to this concern, STOP this test and FOLLOW the service article instructions. If no service articles apply, INSTALL a new SCCM.
REFER TO: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
F5 CHECK WINDSHIELD FOR DAMAGE
  • Ignition OFF.
  • Inspect the windshield for cracks, pits or other visible damage around the rain sensor.

Is there any windshield damage in the area of the rain sensor?
Yes INSTALL a new windshield. For the procedure, refer to the appropriate Group 501 section.
No GO to F6
F6 CHECK WINDSHIELD FOR STREAKS
  • The ignition is on.
  • Set the wiper/washer switch to low wiper speed. Spray water onto the windshield surface during the wiper operation. Pay attention to wiping quality, especially around the rain sensor.

Are there streaks on the windshield in the area of the rain sensor?
Yes GO to F7
No GO to F9
F7 CHECK WIPER BLADES FOR STREAKS
  • Ignition OFF.
  • Clean the windshield with glass cleaner.
  • Clean the wiper blades with a cloth moistened with isopropyl alcohol. Wipe the entire length of the wiper blades.
  • The ignition is on.
  • Set the wiper/washer switch to low wiper speed. Spray water onto the windshield surface during the wiper operation. Pay attention to wiping quality, especially around the rain sensor.

Was there a noticeable improvement in wiping quality after cleaning the windshield and wiper blades?
Yes GO to F8
No INSTALL new wiper blades. GO to F8.
F8 RECHECK WIPER OPERATION WITH RAIN MODE
  • Set the wiper/washer switch to automatic/intermittent sensitivity setting 5 (most sensitive to moisture). Apply water to the windshield above the rain sensor.

Do the wipers operate when water is applied to the windshield surface?
Yes The system is currently operating correctly. The concern may have been caused by poor wiping quality of the windshield around the rain sensor.
No GO to F9
F9 CHECK FOR RAIN SENSOR LENS GEL
  • Ignition OFF.
  • Gently press the rain sensor against the windshield and release the rain sensor retaining clips.

Does the rain sensor remain attached to the windshield?
Yes ENGAGE the retaining clips. GO to F10.
No The rain sensor gel lens is missing or damaged. INSTALL a new rain sensor.
REFER TO: Rain Sensor (501-16 Wipers and Washers, Removal and Installation).
F10 CHECK RAIN SENSOR MOUNTING AREA
  • From outside the vehicle, inspect the windshield area where the rain sensor is installed. The rain sensor contact area must be black, free of bubbles, air pockets or contamination between the windshield and the rain sensor.

Does the rain sensor contact area appear black, free of bubbles, air pockets or contamination between the windshield and the rain sensor?
Yes GO to F11
No REMOVE the rain sensor.
REFER TO: Rain Sensor (501-16 Wipers and Washers, Removal and Installation).
CLEAN the mating surfaces between the windshield and the rain sensor. INSTALL the rain sensor correctly.
VERIFY the system operates correctly. If the concern persists, INSTALL a new wiper motor.
REFER TO: Wiper Motor (501-16 Wipers and Washers, Removal and Installation).
F11 CHECK VOLTAGE AT THE RAIN SENSOR
  • Ignition OFF.
  • Disconnect the rain sensor C914.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C914-1 Ground

Is the voltage greater than 11 volts?
Yes GO to F13
No CHECK that BCM-C fuse 97 (5A) is serviceable. If OK, GO to F12.
If not OK, REFER TO the wiring diagrams to determine the possible causes of the short circuit.
F12 CHECK RAIN SENSOR VOLTAGE SUPPLY CIRCUIT FOR OPEN
  • Ignition OFF.
  • Disconnect BCM-C C1035A.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C914-1 C1035A-22

Is the resistance less than 3 ohms?
Yes INSTALL a new BCM-C.
No REPAIR the circuit.
F13 CHECK RAIN SENSOR GROUND CIRCUIT FOR OPEN
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C914-1 C914-3

Is the voltage above 11 volts?
Yes GO to F14
No REPAIR the circuit.
F14 CHECK LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR OPEN
  • Ignition OFF.
  • Disconnect the SCCM C226A.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C914-2 C226A-3

Is the resistance less than 3 ohms?
Yes GO to F15
No REPAIR the circuit.
F15 CHECK SCCM (STEERING COLUMN CONTROL MODULE) OPERATION
  • Disconnect and inspect all SCCM connectors.
  • Repair:
    • corrosion (install a new connector or terminal - clean the module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Reconnect all SCCM connectors. Make sure they are fully seated and locked.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes CHECK OASIS for any applicable service information: TSB, GSB, SSM or FSA. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service article exists, INSTALL a new SCCM.
REFER TO: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
PINPOINT TEST G: WINDSHIELD WIPERS DO NOT PARK IN THE CORRECT POSITION

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

  • Wiper Arm Linkage and Pivot Shaft
  • Wiper motor

Visual Inspection and Pre-checks

  • Inspect the wiper arm linkage and pivot shaft for damage.
G1 CHECK WIPER LINKAGE AND PIVOT SHAFT FOR DAMAGE
  • Ignition OFF.
  • Inspect the wiper arm bracket and pivot shaft for damage.

Are the wiper arm linkage and pivot shaft in good condition?
Yes GO to G2
No INSTALL the wiper arm linkage and pivot shaft.
REFER TO: Wiper Arm Pivot (501-16 Wipers and Washers, Removal and Installation).
G2 CHECK WINDSHIELD WIPER PARK RELAY OPERATION
  • The ignition is on.
  • Set the wiper/washer switch to the low speed setting. When the wiper blades are in the middle of the windshield, turn the wiper/washer switch OFF.

Do the windshield wipers stop immediately when the wiper/washer switch is turned off?
Yes INSTALL a new wiper motor.
REFER TO: Wiper Motor (501-16 Wipers and Washers, Removal and Installation).
No ADJUST the wiper arm pivots.
REFER TO: Wiper Arm Pivot (501-16 Wipers and Washers, Removal and Installation).
PINPOINT TEST H: WINDSHIELD WASHER INOPERATIVE

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

  • Wiring, Terminals or Connectors
  • Washer pump
  • Wiper/Washer Switch
  • Wiper motor
  • BCM-C
  • SCCM

Visual Inspection and Pre-checks

  • Inspect the wiper/washer switch for damage.
NOTICE: Use the correct probe adapter(s) when making measurements. Using incorrect probe adapter(s) may damage the connector.
H1 CHECK WASHER PUMP ACTIVATION
  • The ignition is on.
  • Listen for the washer pump operating near the right front of the vehicle while an assistant activates the windshield washer function.

Does the washer pump operate?
Yes GO to H2
No GO to H6
H2 CHECK AMBIENT TEMPERATURE
  • Check the ambient air temperature.

Is the ambient temperature below freezing?
Yes GO to H3
No GO to H4
H3 CHECK WASHER FLUID
  • Check the washer fluid and make sure it is the correct type for the current temperature conditions.

Is the correct type of washer fluid present?
Yes GO to H4
No Allow the vehicle to warm to room temperature. DRAIN and FILL the windshield washer reservoir with the appropriate washer solvent. Washer solvent type. INFORM the customer of the correct washer solvent type to use for the existing temperature conditions.
H4 CHECK THE WASHER SOLVENT IN THE WASHER NOZZLES
  • Disconnect the washer hoses from the windshield washer nozzles and place them into a fluid collection container.
  • The ignition is on.
  • Momentarily activate the windshield washer function.

Is washer fluid leaking from the washer hoses?
Yes INSTALL a new washer nozzle.
No GO to H5
H5 CHECK THE WASHER HOSES AND FITTINGS FOR DAMAGE
  • Inspect the washer hoses and fittings for kinks or damage.

Are the washer hoses and fittings in good condition?
Yes INSTALL a new washer pump.
REFER TO: Windshield Washer Pump (501-16 Wipers and Washers, Removal and Installation).
No REPAIR the washer hoses or fittings, if necessary.
H6 CHECK THE WIPER/WASHER SWITCH INPUT USING THE WASHER SWITCH (FRONT) (F_WASH_SW) PID (PARAMETER IDENTIFICATION)
  • The ignition is on.
  • Using the diagnostic scan tool, view the SCCM Parameter Identifications (PIDs).

  • Access the SCCM and monitor the F_WASH_SW PID

  • Activate and release the washer function using the wiper/washer switch.

Does the PID read correctly when the switch is activated?
Yes GO to H7
No INSTALL a new wiper/washer switch.
REFER TO: Multifunction Switch, Steering Column, Right (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). CHECK the system for normal operation. If the concern is not resolved, CHECK OASIS for any applicable service articles: TSBs, GSBs, SSMs or FSAs. If a service article applies to this concern, STOP this test and FOLLOW the service article instructions. If no service articles apply, INSTALL a new SCCM.
REFER TO: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
H7 CHECK THE VOLTAGE AT THE WASHER PUMP

NOTE: This precision test step uses a test lamp to simulate normal circuit loads. Use only the Rotunda test lamp (SGT27000) or a 250-300 mA incandescent test lamp. To prevent connector terminal damage, use the Rotunda Flex Probe kit to connect the test lamp probe to the vehicle. Do not use the test lamp probe directly on any connector.

  • Ignition OFF.
  • Disconnect the washer pump C137.
  • Connect:
    Click to display connectors
    Positive lead Measurement/Action Negative lead
    C137-2 Ground
  • The ignition is on.
  • Use the wiper/washer switch to activate the windshield washer function.

Does the indicator lamp illuminate when the washer is activated?
Yes GO to H8
No GO to H9
H8 CHECK THE WASHER PUMP GROUND CIRCUIT FOR AN OPEN

NOTE: This precision test step uses a test lamp to simulate normal circuit loads. Use only the Rotunda test lamp (SGT27000) or a 250-300 mA incandescent test lamp. To prevent connector terminal damage, use the Rotunda Flex Probe kit to connect the test lamp probe to the vehicle. Do not use the test lamp probe directly on any connector.

  • Connect:
    Click to display connectors
    Positive lead Measurement/Action Negative lead
    C137-2 C137-1
  • The ignition is on.
  • Use the wiper/washer switch to activate the windshield washer function.

Does the indicator lamp illuminate when the washer is activated?
Yes INSTALL a new washer pump.
REFER TO: Windshield Washer Pump (501-16 Wipers and Washers, Removal and Installation).
No REPAIR the circuit.
H9 CHECK THE WASHER PUMP VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Disconnect the wiper motor C1655.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1655-7 Ground

Is the resistance greater than 10000 Ohms?
Yes GO to H10
No REPAIR the circuit.
H10 CHECK THE WASHER PUMP VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1655-7 C137-2

Is the resistance less than 3 ohms?
Yes GO to H11
No REPAIR the circuit.
H11 CHECK FOR CORRECT OPERATION OF THE WINDSHIELD WIPER MOTOR
  • Disconnect and inspect the windshield wiper motor connector.
  • Repair:
    • corrosion (install a new connector or terminal - clean the module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Connect the windshield wiper motor connector. Make sure it is properly seated and latched.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes INSTALL a new wiper motor.
REFER TO: Wiper Motor (501-16 Wipers and Washers, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
PINPOINT TEST I: WINDSHIELD WASHER ALWAYS ON

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

  • Wiper/washer switch (without police package)
  • Wiper motor
  • SCCM

Visual Inspection and Pre-checks

  • Inspect the wiper/washer switch for damage.
I1 CHECK THE WIPER/WASHER SWITCH INPUT USING THE WASHER SWITCH (FRONT) (F_WASH_SW) PID
  • The ignition is on.
  • Using the diagnostic scan tool, view the SCCM PIDs.

  • Access the SCCM and monitor the F_WASH_SW PID


Does the PID indicate that the switch is activated?
Yes INSTALL a new wiper/washer switch.
REFER TO: Multifunction Switch on Steering Column, Right (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
VERIFY the system operates correctly. If the concern is not resolved, CHECK OASIS for any applicable service information: TSB, GSB, SSM or FSA. If service information exists for this concern, STOP this test and FOLLOW the service information procedure. If no service information exists, INSTALL a new SCCM.
REFER TO: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
No INSTALL a new wiper motor.
REFER TO: Wiper Motor (501-16 Wipers and Washers, Removal and Installation).
PINPOINT TEST J: ONE OR MORE REAR WIPER MODES INOPERATIVE

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

  • Fuse
  • Wiring, Terminals or Connectors
  • Wiper/Washer Switch
  • BCM-C
  • Rear wiper motor
  • Wiper motor
  • SCCM

Visual Inspection and Pre-checks

  • Inspect BCM-C fuse 71 (15A) and make sure it is serviceable.
  • Inspect the wiper/washer switch for damage.
NOTICE: Use the correct probe adapter(s) when making measurements. Using incorrect probe adapter(s) may damage the connector.
J1 CHECK THE WINDSHIELD WIPER OPERATION
  • The ignition is on.
  • Set the wiper/washer switch to the windshield low speed position, then turn it off.

Does the windshield wiper operate?
Yes GO to J2
No GO to Pinpoint Test A
J2 CHECK THE REAR WIPER/WASHER SWITCH INPUT PARAMETER IDENTIFICATIONS (PIDS)
  • The ignition is on.
  • Using the diagnostic scan tool, view the SCCM Parameter Identifications (PIDs).

    • Access the SCCM and monitor the R_WIPE_OFF_SW PID.

    • Access the SCCM and monitor the R_WIPE_DEL1 PID.

    • Access the SCCM and monitor the R_WIPE_DEL2 PID.

  • Set the wiper/washer switch to the rear INT 1 and rear INT 2 positions, then turn it off.

Are the parameter identifications (PIDs) for the switch positions correct?
Yes MAKE SURE that BCM-C fuse 71 (15A) is serviceable. If OK, GO to J3.
If not OK, REFER TO the wiring diagrams to determine the possible cause of the short circuit.
No INSTALL a new wiper/washer switch.
REFER TO: Multifunction Switch, Steering Column, Right (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). CHECK the system for normal operation. If the concern is not resolved, CHECK OASIS for any applicable service articles: TSBs, GSBs, SSMs or FSAs. If a service article applies to this concern, STOP this test and FOLLOW the service article instructions. If no service articles apply, INSTALL a new SCCM.
REFER TO: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
J3 CHECK THE REAR WIPER MOTOR VOLTAGE
  • Ignition OFF.
  • Disconnect the rear wiper motor C476.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C476-1 Ground

Is the voltage greater than 11 volts?
Yes GO to J5
No GO to J4
J4 CHECK THE REAR WIPER MOTOR VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect BCMC C1035A.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C476-1 C1035A-23

Is the resistance less than 3 ohms?
Yes GO to J5
No REPAIR the circuit.
J5 CHECK THE REAR WIPER MOTOR GROUND CIRCUIT FOR AN OPEN
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C476-1 C476-3

Is the voltage greater than 11 volts?
Yes GO to J6
No REPAIR the circuit.
J6 CHECK THE REAR WIPER MOTOR CONTROL CIRCUIT FOR A SHORT TO VOLTAGE
  • Disconnect the wiper motor C1655.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C476-2 Ground

Is there voltage present?
Yes REPAIR the circuit.
No GO to J7
J7 CHECK THE REAR WIPER MOTOR CONTROL CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C476-2 C1655-11

Is the resistance less than 3 ohms?
Yes GO to J8
No REPAIR the circuit.
J8 WINDSHIELD WIPER MOTOR BYPASS
  • Connect the rear wiper motor C476.
  • Connect:
    Click to display connectors
    Positive lead Measurement/Action Negative lead
    C1655-11 C1655-6
  • The ignition is on.

Does the rear wiper motor operate?
Yes REMOVE the fusible link. GO to J9.
No REMOVE the fusible link. INSTALL a new rear wiper motor.
REFER TO: Rear Wiper Motor (501-16 Wipers and Washers, Removal and Installation).
J9 CHECK FOR CORRECT OPERATION OF THE WINDSHIELD WIPER MOTOR
  • Disconnect and inspect the windshield wiper motor connector.
  • Repair:
    • corrosion (install a new connector or terminal - clean the module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Connect the windshield wiper motor connector. Make sure it is properly seated and latched.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes INSTALL a new wiper motor.
REFER TO: Wiper Motor (501-16 Wipers and Washers, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
PINPOINT TEST K: REAR WIPER REMAINS ON CONTINUOUSLY

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

  • Wiring, Terminals or Connectors
  • Wiper/Washer Switch
  • Rear wiper motor
  • Wiper motor
  • SCCM

Visual Inspection and Pre-checks

  • Inspect the wiper/washer switch for damage.
NOTICE: Use the correct probe adapter(s) when making measurements. Using incorrect probe adapter(s) may damage the connector.
K1 CHECK THE REAR WIPER/WASHER SWITCH INPUT PARAMETER IDENTIFICATIONS (PIDS)
  • The ignition is on.
  • Using the diagnostic scan tool, view the SCCM Parameter Identifications (PIDs).

    • Access the SCCM and monitor the R_WIPE_OFF_SW PID.

    • Access the SCCM and monitor the R_WIPE_DEL1 PID.

    • Access the SCCM and monitor the R_WIPE_DEL2 PID.

  • Set the wiper/washer switch to the rear INT 1 and rear INT 2 positions, then turn it off.

Are the parameter identifications (PIDs) for the switch positions correct?
Yes GO to K2
No INSTALL a new wiper/washer switch.
REFER TO: Multifunction Switch, Steering Column, Right (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). CHECK the system for normal operation. If the concern is not resolved, CHECK OASIS for any applicable service articles: TSBs, GSBs, SSMs or FSAs. If a service article applies to this concern, STOP this test and FOLLOW the service article instructions. If no service articles apply, INSTALL a new SCCM.
REFER TO: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
K2 CHECK THE WIPER MOTOR
  • Ignition OFF.
  • Disconnect the wiper motor C1655.
  • The ignition is on.

Does the rear wiper motor continue to operate?
Yes GO to K3
No GO to K4
K3 CHECK THE REAR WIPER CONTROL CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Disconnect the front wiper motor connector C1655.
  • Disconnect the rear wiper motor C476.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C476-2 Ground

Is the resistance greater than 10000 Ohms?
Yes INSTALL a new rear wiper motor.
REFER TO: Rear Wiper Motor (501-16 Wipers and Washers, Removal and Installation).
No REPAIR the circuit.
K4 CHECK WINDSHIELD WIPER MOTOR OPERATION
  • Disconnect and inspect the windshield wiper motor connector.
  • Repair:
    • corrosion (install a new connector or terminal - clean the module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Connect the windshield wiper motor connector. Make sure it is properly seated and latched.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes INSTALL a new wiper motor.
REFER TO: Wiper Motor (501-16 Wipers and Washers, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
PINPOINT TEST L: REAR WASHER INOPERATIVE

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

  • Fuse
  • Rear washer hose
  • Rear washer nozzle
  • Wiring, Terminals or Connectors
  • BCM-C
  • Washer pump
  • Wiper/Washer Switch
  • Wiper motor
  • SCCM

Visual Inspection and Pre-checks

  • Inspect BCM-C fuse 16 (15A) and make sure it is serviceable.
  • Inspect the wiper/washer switch for damage.
NOTICE: Use the correct probe adapter(s) when making measurements. Using incorrect probe adapter(s) may damage the connector.
L1 CHECK WINDSHIELD WASHER OPERATION
  • The ignition is on.
  • Activate the windshield washer and observe the windshield washer operation.

Does the windshield washer operate correctly?
Yes GO to L2
No GO to Pinpoint Test H
L2 CHECK AMBIENT AIR TEMPERATURE
  • Check the ambient air temperature.

Is the ambient temperature below freezing?
Yes GO to L3
No GO to L4
L3 CHECK WASHER FLUID RESERVOIR
  • Check the washer fluid and make sure it is the correct type for the current temperature conditions.

Is the correct type of washer fluid present?
Yes GO to L4
No Allow the vehicle to warm to room temperature. DRAIN and FILL the windshield washer reservoir with the appropriate washer solvent. Washer solvent type. INFORM the customer of the correct washer solvent type to use for the existing temperature conditions.
L4 CHECK FOR WASHER FLUID AT WASHER NOZZLE
  • Disconnect the washer hose from the rear window washer nozzle and place it into a fluid collection container.
  • Briefly activate the rear window washer.

Is washer fluid leaking from the washer hose?
Yes INSTALL a new washer nozzle.
No GO to L5
L5 CHECK WASHER HOSES AND FITTINGS FOR DAMAGE
  • Inspect the washer hoses and fittings for kinks or damage.

Are the washer hoses and fittings in good condition?
Yes GO to L6
No REPAIR the washer hoses or fittings, if necessary.
L6 CHECK WIPER/WASHER SWITCH INPUT USING THE REAR WIPER WASH SWITCH (R_WIPE_WASH_SW) PID (PARAMETER IDENTIFICATION)
  • The ignition is on.
  • Using the diagnostic scan tool, view the SCCM Parameter Identifications (PIDs).

  • Access the SCCM and monitor the R_WIPE_WASH_SW PID

  • Activate and deactivate the rear window washer function on the wiper/washer switch.

Does the PID display correctly when the switch is activated and released?
Yes GO to L7
No INSTALL a new wiper/washer switch.
REFER TO: Multifunction Switch, Steering Column, Right (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). CHECK the system for normal operation. If the concern is not resolved, CHECK OASIS for any applicable service articles: TSBs, GSBs, SSMs or FSAs. If a service article applies to this concern, STOP this test and FOLLOW the service article instructions. If no service articles apply, INSTALL a new SCCM.
REFER TO: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
L7 CHECK WASHER PUMP RELAY CIRCUIT

NOTICE: The following Pinpoint Test uses a test lamp to simulate normal circuit loads. Use only the Rotunda test lamp (SGT27000) or a 250-300 mA incandescent test lamp. To avoid damaging the connector terminals, use the Rotunda Flex Probe kit to connect the test lamp probe to the vehicle. Do not use the test lamp probe directly on any connector.

  • Ignition OFF.
  • Disconnect the windshield washer pump C137.
  • Connect:
    Click to display connectors
    Positive lead Measurement/Action Negative lead
    C137-1 Ground
  • The ignition is on.
  • Ask an assistant to activate the rear window washer function.

Does the indicator lamp illuminate when the rear window washer is activated?
Yes GO to L11
No GO to L8
L8 CHECK WASHER PUMP RELAY CONTROL CIRCUIT FOR SHORT TO VOLTAGE
  • Disconnect the wiper motor C1655.
  • Disconnect BCM-C connector C1035B.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1035B-33 Ground

Is there voltage present?
Yes REPAIR the circuit.
No GO to L9
L9 CHECK WASHER PUMP RELAY CONTROL CIRCUIT FOR OPEN

NOTICE: The following Pinpoint Test uses a test lamp to simulate normal circuit loads. Use only the Rotunda test lamp (SGT27000) or a 250-300 mA incandescent test lamp. To avoid damaging the connector terminals, use the Rotunda Flex Probe kit to connect the test lamp probe to the vehicle. Do not use the test lamp probe directly on any connector.

  • Connect the front wiper motor connector C1655.
  • Connect a fused jumper wire:
    Click to display connectors
    Positive lead Measurement/Action Negative lead
    C1035B-30 Battery positive
  • Connect:
    Click to display connectors
    Positive lead Measurement/Action Negative lead
    C1035B-33 Battery positive
  • The ignition is on.
  • Ask an assistant to activate the rear window washer function.

Does the indicator lamp illuminate when the rear window washer is activated?
Yes INSTALL a new BCM-C.
No GO to L10
L10 CHECK REAR WASHER RELAY CONTROL CIRCUIT FOR OPEN
  • Disconnect the wiper motor C1655.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1655-12 C1035B-33

Is the resistance less than 3 ohms?
Yes GO to L11
No REPAIR the circuit.
L11 CHECK WINDSHIELD WIPER MOTOR OPERATION
  • Disconnect and inspect the windshield wiper motor connector.
  • Repair:
    • corrosion (install a new connector or terminal - clean the module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Connect the windshield wiper motor connector. Make sure it is properly seated and latched.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes INSTALL a new wiper motor.
REFER TO: Wiper Motor (501-16 Wipers and Washers, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
PINPOINT TEST M: REAR WASHER IS ALWAYS ON

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

  • Wiring, Terminals or Connectors
  • BCM-C
  • Wiper/Washer Switch
  • Wiper motor
  • SCCM

Visual Inspection and Pre-checks

  • Inspect the wiper/washer switch for damage.
M1 CHECK WIPER/WASHER SWITCH INPUT USING THE REAR WIPER WASH SWITCH (R_WIPE_WASH_SW) PID (PARAMETER IDENTIFICATION)
  • The ignition is on.
  • Using the diagnostic scan tool, view the SCCM Parameter Identifications (PIDs).

  • Access the SCCM and monitor the R_WIPE_WASH_SW PID

  • Activate and deactivate the rear window washer function on the wiper/washer switch.

Does the PID display correctly when the switch is activated and released?
Yes GO to M2
No INSTALL a new wiper/washer switch.
REFER TO: Multifunction Switch, Steering Column, Right (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). CHECK the system for normal operation. If the concern is not resolved, CHECK OASIS for any applicable service articles: TSBs, GSBs, SSMs or FSAs. If a service article applies to this concern, STOP this test and FOLLOW the service article instructions. If no service articles apply, INSTALL a new SCCM.
REFER TO: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
M2 CHECK WASHER PUMP RELAY CONTROL CIRCUIT FOR SHORT TO GROUND
  • Ignition OFF.
  • Disconnect the wiper motor C1655.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1655-12 Ground

Is the resistance greater than 10000 Ohms?
Yes GO to M4
No GO to M3
M3 DISCONNECT WASHER PUMP RELAY COIL CONTROL CIRCUIT, SHORT TO GROUND
  • Ignition OFF.
  • Disconnect BCM-C connector C1035B.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1655-12 Ground

Is the resistance greater than 10000 Ohms?
Yes GO to M4
No REPAIR the circuit.
M4 CHECK WASHER PUMP RELAY OUTPUT CIRCUIT FOR SHORT TO VOLTAGE
  • Disconnect the windshield washer pump C137.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C137-1 Ground

Is there voltage present?
Yes GO to M5
No GO to M6
M5 CHECK THE WASHER PUMP RELAY OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE AT THE BCM-C
  • Ignition OFF.
  • Disconnect BCM-C connector C1035B.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C137-1 Ground

Is there voltage present?
Yes REPAIR the circuit.
No CHECK OASIS for any applicable service information: TSB, GSB, SSM or FSA. If service information exists for this concern, STOP this test and FOLLOW the service information procedure. If no service information exists, INSTALL a new BCM-C. VERIFY the system operates correctly.
M6 CHECK WINDSHIELD WIPER MOTOR OPERATION
  • Disconnect and inspect the windshield wiper motor connector.
  • Repair:
    • corrosion (install a new connector or terminal - clean the module pins)
    • damaged or bent terminals/pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Connect the windshield wiper motor connector. Make sure it is properly seated and latched.
  • Operate the system and determine if the concern is still present.

Is the concern still present?
Yes INSTALL a new wiper motor.
REFER TO: Wiper Motor (501-16 Wipers and Washers, Removal and Installation).
VERIFY the system operates correctly. If the concern is not resolved, CHECK OASIS for any applicable service information: TSB, GSB, SSM or FSA. If service information exists for this concern, STOP this test and FOLLOW the service information procedure. If no service information exists, INSTALL a new SCCM.
REFER TO: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
PINPOINT TEST N: FRONT CAMERA WASHER INOPERATIVE

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

  • Front camera washer hose or fittings
  • Front camera washer nozzle

Visual Inspection and Pre-checks

  • Inspect the front camera washer nozzle for damage.
  • Inspect the front camera washer hose and fittings for damage.
N1 CHECK WINDSHIELD WASHER OPERATION
  • The ignition is on.
  • Momentarily activate the windshield washer function.

Does the windshield washer operate?
Yes GO to N2
No GO to Pinpoint Test H
N2 CHECK WASHER FLUID AT FRONT CAMERA WASHER NOZZLE
  • Ignition OFF.
  • Disconnect the washer hose from the front camera washer nozzle and place it into a fluid collection container.
  • The ignition is on.
  • Momentarily activate the windshield washer function.

Is washer fluid leaking from the washer hose?
Yes INSTALL a new front washer nozzle.
No REPAIR the front washer hoses or fittings, if necessary.
PINPOINT TEST O: REAR CAMERA WASHER DOES NOT OPERATE

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

  • Rear washer hose
  • Rear washer nozzle

Visual Inspection and Pre-checks

  • Inspect the rear washer nozzle for damage.
O1 CHECK REAR WASHER OPERATION
  • The ignition is on.
  • Momentarily activate the rear washer function.

Does the rear washer operate?
Yes GO to O2
No GO to Pinpoint Test L
O2 CHECK FOR WASHER FLUID AT THE REAR WASHER NOZZLE
  • Ignition OFF.
  • Disconnect the washer hose from the rear washer nozzle and place it into a fluid collection container.
  • The ignition is on.
  • Momentarily activate the rear washer function.

Is washer fluid leaking from the washer hose?
Yes INSTALL a new rear view camera washer nozzle.
No REPAIR the rear washer hoses or fittings, if necessary.
PINPOINT TEST P: DTCS B10AD:55 OR B1131:55

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
SCCM B10AD: 55 Rain sensor: Not configured This DTC sets when the SCCM has not been programmed or has been programmed incorrectly.
SCCM B1131:55 Wiper motor module: Not configured This DTC sets when the SCCM has not been programmed or has been programmed incorrectly.

Possible Sources

  • SCCM
P1 CHECK FOR DTCS B10AD:55 OR B1131:55
  • The ignition is on.
  • Using the diagnostic scan tool, perform the SCCM self-test.

Are DTCs B10AD:55 or B1131:55 present?
Yes CHECK OASIS for any applicable service information: TSB, GSB, SSM or FSA. If service information exists for this concern, STOP this test and FOLLOW the service information procedure. If no service information exists, PROGRAM the SCCM AS BUILT DATA.
REFER TO: Module Programming (418-01 Module Configuration, General Procedures).
No The system is currently operating correctly. The concern may have been caused by an intermittent condition. DIAGNOSE the observed symptom.
PINPOINT TEST Q: DTCS B10AD:49

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
SCCM B10AD:49 Rain sensor: Internal electronic failure This DTC sets when the SCCM detects an internal rain sensor fault or when the rain sensor is installed incorrectly.

Possible Sources

  • Rain sensor
  • SCCM
Q1 CHECK FOR DTC B10AD:49
  • The ignition is on.
  • Make sure the rain sensor is installed correctly.
  • Using the diagnostic scan tool, perform the SCCM self-test.
  • CLEAR all DTCs and repeat the SCCM self-test.

Does DTC B10AD:49 return?
Yes INSTALL a new rain sensor.
REFER TO: Rain Sensor (501-16 Wipers and Washers, Removal and Installation). CHECK the system for normal operation. If the concern is not resolved, CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service articles are found, THEN INSTALL a new SCCM.
REFER TO: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by an intermittent condition. DIAGNOSE the observed symptom.
PINPOINT TEST R: DTCS B1131:49

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
SCCM B1131:49 Wiper motor module: Internal electronic failure This DTC sets when the SCCM detects an internal fault in the wiper motor.

Possible Sources

  • Wiper motor
  • SCCM
R1 CHECK FOR DTC B1131:49
  • The ignition is on.
  • Using the diagnostic scan tool, perform the SCCM self-test.
  • CLEAR all DTCs and repeat the SCCM self-test.

Does DTC B1131:49 return?
Yes INSTALL a new wiper motor.
REFER TO: Wiper Motor (501-16 Wipers and Washers, Removal and Installation). CHECK the system for normal operation. If the concern is not resolved, CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service articles are found, THEN INSTALL a new SCCM.
REFER TO: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
No The system is currently operating correctly. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
PINPOINT TEST S: HEADLAMP WASHER SYSTEM DOES NOT OPERATE

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

  • Fuse 62 (15A)
  • BCM-C
  • Headlamp washer pump
  • Headlamp Washer Nozzle
  • Wiring, Terminals or Connectors
  • Wiper motor

Visual Inspection and Pre-checks

  • Inspect the headlamp washer nozzles and jets for damage
  • Inspect the BCM-C headlamp washer fuse 62 (15A) and make sure it is in good condition.
S1 CHECK THE VOLTAGE AT THE HEADLAMP WASHER SYSTEM RELAY
  • Ignition OFF.
  • Disconnect BCM-C connector C1035B.
  • Use a fused jumper wire to energize the headlamp washer relay.
  • Connect the fused jumper wire to the BCM-C C1035B-23 side and ground.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1035B-9 BCM-C side Ground

Is the voltage greater than 11 volts?
Yes GO to S2
No GO to S7
S2 CHECK THE HEADLAMP WASHER PUMP CIRCUIT
  • Ignition OFF.
  • CHECK the headlamp washer system operation.
  • NOTE: Installing a fused jumper wire between the positive battery terminal and BCM-C C1035B-9 provides continuous power to the headlamp washer. Ignition switch input is not required. Test:
    Click to display connectors
    Positive lead Measurement/Action Negative lead
    Battery positive C1035B-9

Does the headlamp washer system operate?
Yes GO to S5
No GO to S3
S3 CHECK THE VOLTAGE AT THE HEADLAMP WASHER SYSTEM PUMP
  • Connect the BCM-C C1035B.
  • Disconnect C153 Headlamp Washer Pump.
  • The ignition is on.
    • TURN ON the low beam headlamps.
    • TURN ON the windshield washer and hold the washer/wiper switch depressed during the measurement.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C153-2 Ground

Is the voltage greater than 11 volts?
Yes GO to S4
No REPAIR the circuit.
S4 CHECK THE HEADLAMP WASHER PUMP GROUND
  • TURN OFF the low beam headlamps.
  • Ignition OFF.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C153-1 Ground

Is the resistance less than 3 ohms?
Yes INSTALL a new headlamp washer pump. For the procedure, refer to the appropriate section in Group 501.
No REPAIR the circuit.
S5 CHECK THE HEADLAMP WASHER RELAY CONTROL CIRCUIT FOR AN OPEN
  • Disconnect BCM-C connector C1035B.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1035B-23 C1655-10

Is the resistance less than 3 ohms?
Yes GO to S6
No REPAIR the circuit
S6 CHECK THE HEADLAMP WASHER SYSTEM RELAY CONTROL CIRCUIT FOR A SHORT TO VOLTAGE
  • The ignition is on.
  • Disconnect the wiper motor C1655.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1035A-23 Ground

Is any voltage present?
Yes REPAIR the circuit
No GO to S7
S7 CHECK THE HEADLAMP WASHER SYSTEM RELAY FUSE 62 (15A) IN THE BCM-C
  • CHECK the BCM-C headlamp washer fuse 62 (15A).

Is the fuse in good condition?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service articles are found, THEN INSTALL a new BCM-C. Refer to the appropriate section in Group 419 for the procedure.
No REPLACE the headlamp washer fuse. CHECK the system operation.
PINPOINT TEST T: HEADLAMP WASHER SYSTEM OPERATES CONTINUOUSLY

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

  • Fuse 62 (15A)
  • Wiring, Terminals or Connectors
  • BCM-C

Visual Inspection and Pre-checks

  • Inspect the headlamp washer nozzles and jets for damage
  • Inspect the BCM-C headlamp washer fuse 62 (15A) and make sure it is in good condition.
T1 CHECK THE HEADLAMP WASHER PUMP VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE
  • The ignition is on.
  • Disconnect BCM-C connector C1035B.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1035B-9 Ground

Is any voltage present?
Yes REPAIR the circuit
No GO to T2
T2 CHECK THE HEADLAMP WASHER SYSTEM RELAY CONTROL CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Disconnect the wiper motor C1655.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1035B-23 Ground

Is the resistance greater than 10000 Ohms?
Yes GO to T3
No REPAIR the circuit
T3 CHECK THE BCM-C OPERATION
  • Disconnect and inspect all BCM-C connectors and the corresponding harness connectors:
  • Repair:
    • corrosion (install new connector or terminals - clean module pins)
    • damaged or bent pins - install new terminals/pins
    • backed-out pins - install new pins as necessary
  • Connect the BCM-C connectors. Make sure they are fully seated and locked.

Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service articles are found, THEN INSTALL a new BCM-C. Refer to the appropriate section in Group 419 for the procedure.
No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.
PINPOINT TEST U: HEATED WIPER PARK DOES NOT OPERATE

For schematic and connector information, refer to Wiring Diagrams Cell 56.

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

  • Fuse
  • BCM-C
  • Wiring, Terminals or Connectors
  • Heated Park Wiper Grid

Visual Inspection and Pre-checks

  • Make sure the BCM-C fuses 133 (15A) and 78 (50A) are in good condition.
  • Inspect the heated wiper park grille and electrical connectors for damage.
U1 CHECK THE VOLTAGE AT THE WINDSHIELD HEATER GRID (IF EQUIPPED)

NOTICE: The following Pinpoint test uses a test lamp to simulate normal circuit loads. Use only the Rotunda test lamp (SGT27000) or a 250-300 mA incandescent test lamp. To avoid damage to connector terminals, use the Rotunda Flex Probe kit to connect the test lamp probe to the vehicle. Do not use the test lamp probe directly on any connector.

  • Ignition OFF.
  • Disconnect: Left Windshield Heater Element C1531.
  • Disconnect: Right Windshield Heater Element C1532.
  • The ignition is on.
  • Activate the heated windshield or heated wiper park.
  • Connect:
    Click to display the connectors

    Vehicles with heated windshield and heated wiper park.


    Positive lead Measurement/Action Negative lead
    C1531-1 Ground
    Positive lead Measurement/Action Negative lead
    C1532-1 Ground

Does the indicator lamp illuminate when the heated windshield or heated wiper park is activated?
Yes GO to U2
No Diagnose any windshield heater system concerns before attempting to diagnose any concerns with the heated wiper park system.
REFER TO: Glass, Frames and Mechanisms (501-11 Glass, Frames and Mechanisms, Diagnosis and Testing).
U2 CHECK THE HEATED WIPER PARK GRID VOLTAGE SUPPLY CIRCUIT

NOTICE: The following Pinpoint test uses a test lamp to simulate normal circuit loads. Use only the Rotunda test lamp (SGT27000) or a 250-300 mA incandescent test lamp. To avoid damage to connector terminals, use the Rotunda Flex Probe kit to connect the test lamp probe to the vehicle. Do not use the test lamp probe directly on any connector.

  • The ignition is on.
  • Activate the heated windshield or heated wiper park.
  • Connect:
    Click to display the connectors

    Vehicles with heated windshield and heated wiper park.


    Positive lead Measurement/Action Negative lead
    C1532-2 Ground

    Click to display the connectors

    Only vehicles equipped with heated wiper park.


    Positive lead Measurement/Action Negative lead
    C1788-2 Ground

Does the indicator lamp illuminate when the heated windshield or heated wiper park is activated?
Yes GO to U3
No MAKE SURE the BCM-C fuses 133 (15A) and 78 (50A) are in good condition. If good, REPAIR the faulty circuit. If not good, REFER TO the Wiring Diagrams Manual to determine the possible causes of the short.
U3 CHECK THE HEATED WIPER PARK GRID GROUND

NOTICE: The following Pinpoint test uses a test lamp to simulate normal circuit loads. Use only the Rotunda test lamp (SGT27000) or a 250-300 mA incandescent test lamp. To avoid damage to connector terminals, use the Rotunda Flex Probe kit to connect the test lamp probe to the vehicle. Do not use the test lamp probe directly on any connector.

  • Ignition OFF.
  • Connect:
    Click to display the connectors

    Vehicles with heated windshield and heated wiper park.


    Positive lead Measurement/Action Negative lead
    C1532-4 Ground

    Click to display the connectors

    Only vehicles equipped with heated wiper park.


    Positive lead Measurement/Action Negative lead
    C1788-1 Ground

Does the test lamp illuminate?
Yes INSTALL a new windshield.
REFER TO: Fixed Glass (501-11 Glass, Frames and Mechanisms, General Procedures).
No REPAIR the circuit.
PINPOINT TEST V: DTCS B124E:11, B124E:13, B124E:55, B124E:96 OR B124E:9E

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Symptoms

REFER TO: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code Description Fault Trigger Condition
SCCM B124E:11 Wiper switch pack: Circuit short to ground Sets when the SCCM detects a short to ground in the wiper switch pack.
SCCM B124E:13 Wiper switch pack: Circuit open Sets when the SCCM detects an open circuit in the wiper switch pack.
SCCM B124E:55 Wiper switch pack: Not configured Sets when the SCCM detects an incorrect or unexpected signal from the wiper switch pack.
SCCM B124E:96 Wiper switch pack: Internal component failure Sets when the SCCM detects an incorrect or unexpected signal from the wiper switch pack.
SCCM B124E:9E Wiper switch pack: Stuck in on position Sets when the SCCM detects an incorrect or unexpected signal from the wiper switch pack.

Possible Sources

  • Wiring, Terminals or Connectors
  • Wiper/Washer Switch
  • SCCM

Visual Inspection and Pre-checks

  • Check that fuse BCM-C 69 (30A) is OK.
NOTICE: Use the correct probe adapter(s) when making measurements. Using incorrect probe adapter(s) may damage the connector.
V1 CHECK THE SCCM (STEERING COLUMN CONTROL MODULE) DTC B124E:11, B124E:13, B124E:55, B124E:96 OR B124E:9E
  • The ignition is on.
  • Using the diagnostic scan tool, perform the SCCM self-test.

Are DTCs B124E:11, B124E:13, B124E:55, B124E:96 OR B124E:9E present?
Yes REMOVE the wiper switch assembly and inspect the pins and terminals for damage and corrosion and repair as necessary. If OK, INSTALL a new wiper lever switch assembly.
REFER TO: Multifunction Switch on the Left Steering Column (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
. CLEAR the DTCs and REPEAT the TEST. If the DTC returns, CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service articles are found, INSTALL a new SCCM.
REFER TO: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
.
No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

Test yourself

A quick Ford Explorer quiz: every answer comes with an explanation and a link to the manual page.