Ford Escape Quiz
Body and Paint

Diagnosis and Testing - Wipers and Washers

In this manual: Body and Paint
General Information — 26Chassis — 160Powertrain — 323Electrical — 356Body and Paint — 290
~62min read
1special tools

Diagnostic Trouble Code (DTC) Chart

The diagnostics described in this manual assume a certain level of skill and knowledge of Ford diagnostic techniques.


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 B13A4:11 Front wiper high speed input signal: circuit short to ground GO to Pinpoint Test D
SCCM B10AD:01 Rain sensor: General electrical failure GO to Pinpoint Test F
SCCM B10AD:02 Rain sensor: General signal failure GO to Pinpoint Test F
SCCM B10AD:08 Rain sensor: Bus signal/message failures GO to Pinpoint Test F
SCCM B10AD:49 Rain sensor: Internal electronic failure GO to Pinpoint Test F
SCCM B10AD:49 Rain sensor: Internal electronic failure GO to Pinpoint Test P
SCCM B10AD:55 Rain sensor: Not configured GO TO Pinpoint Test O
SCCM B10AD:9A Rain sensor: Component or system operating conditions GO TO Pinpoint Test T
SCCM B1131:01 Wiper motor module: General electrical failure GO to Pinpoint Test A
SCCM B1131:02 Wiper motor module: General signal failure GO to Pinpoint Test A
SCCM B1131:08 Wiper motor module: Bus signal/message failures GO to Pinpoint Test B
SCCM B1131:49 Wiper motor module: Internal electronic failure GO to Pinpoint Test Q
SCCM B1131:55 Wiper motor module: Not configured GO TO Pinpoint Test O
SCCM B1131:9A Wiper motor module: Component or system operating conditions GO TO Pinpoint Test T
SCCM B124E:11 Wiper switch pack: Circuit short to ground GO to Pinpoint Test S
SCCM B124E:13 Wiper switch pack: Circuit open GO to Pinpoint Test S
SCCM B124E: 55 Wiper switch pack: Not configured GO to Pinpoint Test S
SCCM B124E: 96 Wiper switch pack: Internal component failure GO to Pinpoint Test S
SCCM B124E:9E Wiper switch pack: Stuck in on position GO to Pinpoint Test S

Global Customer Symptom Codes (GCSC) Table

The diagnostics described in this manual assume a certain level of skill and knowledge of Ford diagnostic techniques.


Symptom Action
Lighting/Glass/Vision > Windows/Glass > Windshield > Appearance GO TO Pinpoint Test R
Lighting/Glass/Vision > Windows/Glass > Windshield > Appearance GO to Pinpoint Test U
Lighting/Glass/Vision > Wipers/Washers > Wiper > Inoperative GO to Pinpoint Test A
Lighting/Glass/Vision > Wipers/Washers > Wiper > Inoperative GO to Pinpoint Test B
Lighting/Glass/Vision > Wipers/Washers > Wiper > Inoperative GO to Pinpoint Test E
Lighting/Glass/Vision > Wipers/Washers > Wiper > Loose/Attached GO to Pinpoint Test U
Lighting/Glass/Vision > Wipers/Washers > Wiper > Stays on GO to Pinpoint Test D
Lighting/Glass/Vision > Wipers/Washers > Wiper > Stays on GO to Pinpoint Test I
Lighting/Glass/Vision > Wipers/Washers > Wiper > Stays on GO to Pinpoint Test K
Lighting/Glass/Vision > Wipers/Washers > Rear Washer > Inoperative GO to Pinpoint Test L
Lighting/Glass/Vision > Wipers/Washers > Rear Washer > Stays on GO to Pinpoint Test M
Lighting/Glass/Vision > Wipers/Washers > Reservoir > Visible leak GO to Pinpoint Test N
Lighting/Glass/Vision > Noise > Wiper/Washer > Constant GO to Pinpoint Test U
Lighting/Glass/Vision > Noise > Wiper/Washer > Constant GO to Pinpoint Test U
Lighting/Glass/Vision > Noise > Wiper/Washer > Intermittent GO to Pinpoint Test U

Symptom Chart

Symptom Chart: Wiper and Washer

The diagnostics described in this manual assume a certain level of skill and knowledge of Ford diagnostic techniques.


Symptom Chart


Condition Action
Wiper blade operation concerns - poor wiping, streaks or chatter
  • GO to Pinpoint Test U
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
Heated wiper park inoperative
  • GO TO Pinpoint Test R

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 B1131:01 Wiper motor module: General electrical failure Sets when the SCCM detects an electrical failure in the wiper motor module.
SCCM B1131:02 Wiper motor module: General signal failure Sets when the wiper motor input from the safety circuit does not match the input requested by the SCCM.

Possible Sources

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

Visual Inspection and Pre-checks

  • Check that fuse BJB 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 C2280E connector.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C2280E-20 Ground

Is there voltage present?
Yes GO to A3
No GO to A4
A3 DISCONNECT THE WIPER RELAY CONTROL CIRCUIT, VOLTAGE SHORT
  • Ignition OFF.
  • Disconnect the BJB C1035B.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C2280E-20 Ground

Is there voltage present?
Yes REPAIR the circuit.
No 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 TSB applies to this concern, INSTALL a new BJB.
Refer to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
A4 CHECK THE WIPER RELAY CONTROL CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C2280E-20 Ground

Is the resistance less than 3 ohms?
Yes REPAIR the circuit.
No GO to A5
A5 CHECK THE WIPER RELAY CONTROL CIRCUIT FOR AN OPEN
  • Action:
    Positive lead Measurement/Action Negative lead
    C1035B-11 C2280E-20

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 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: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing). CHECK the system for normal operation. If the concern persists, CHECK OASIS for applicable service information: TSB, GSB, SSM or FSA. If service information exists for this concern, STOP this test and FOLLOW the service information instructions. If no service information resolves this concern, INSTALL a new SCCM.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
A7 CHECK THE WINDSHIELD WIPER MOTOR VOLTAGE
  • Ignition OFF.
  • Disconnect the windshield wiper motor C125.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C125-8 Ground

Is the voltage greater than 11 volts?
Yes GO to A9
No CHECK that fuse BJB 69 (30A) is OK. If OK, GO to A8.
If not OK, REFER to the Wiring Diagrams Manual to determine the possible cause of the short circuit.
A8 CHECK THE WINDSHIELD WIPER MOTOR POWER SUPPLY CIRCUIT FOR OPEN
  • Ignition OFF.
  • Disconnect the BJB C1035B.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C125-8 C1035B-12

Is the resistance less than 3 ohms?
Yes INSTALL a new BJB.
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
    C125-8 C125-6

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
    C125-1 C125-8
  • 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
    C125-1 C226A-4

Is the resistance less than 3 ohms?
Yes INSTALL a new wiper/washer switch.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing). CHECK the system for normal operation. If the concern persists, 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 windshield wiper motor.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
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 TSB addresses this concern, INSTALL a new SCCM.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
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 no TSB applies to this concern, INSTALL a new BCM. Refer to the Removal and Installation procedure in Section 419-10.
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 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
SCCM B1131:08 Wiper motor module: Bus signal/message failures Set when the SCCM detects a communication failure with the windshield wiper motor on the LIN bus.

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.
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: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing). CHECK the system for normal operation. If the concern persists, CHECK OASIS for applicable service information: TSB, GSB, SSM or FSA. If service information exists for this concern, STOP this test and FOLLOW the service information instructions. If no service information resolves this concern, INSTALL a new SCCM.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
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: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
No GO to B5
B5 CHECK LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect the windshield wiper motor C125.
  • Disconnect the SCCM C226A.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C125-4 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
    C125-4 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
    C125-4 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 windshield wiper motor.
REFER TO: Windshield Wiper and Washer Systems (501-16 Windshield Wiper and Washer Systems, Diagnosis and Testing). VERIFY the system for Normal Operation. If the concern is not resolved, GO to 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 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: Windshield Wiper and Washer Systems (501-16 Windshield Wiper and Washer Systems, Diagnosis and Testing).
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 windshield wiper motor.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
No INSTALL a new windshield wiper/washer switch.
REFER TO: Windshield Wiper and Washer Systems (501-16 Windshield Wiper and Washer Systems, Diagnosis and Testing). VERIFY 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 exists for this concern, STOP this test and FOLLOW the service article instructions. If no service articles apply to this concern, INSTALL a new SCCM. REFER TO: Windshield Wiper and Washer Systems (501-16 Windshield Wiper and Washer Systems, Diagnosis and Testing).
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 B13A4:11 Front wiper high speed input signal: circuit short to ground Sets when the BCM detects a short to ground in the fail-safe windshield wiper control circuit.

Possible Sources

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

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 windshield wiper/washer switch.
REFER TO: Windshield Wiper and Washer Systems (501-16 Windshield Wiper and Washer Systems, Diagnosis and Testing). VERIFY the system for Normal Operation. 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 windshield wiper motor C125.
  • Disconnect the SCCM C226A.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C125-1 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 windshield wiper motor.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
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 C2280E 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 the BJB C1035B.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C2280E-20 Ground

Is the resistance greater than 10000 Ohms?
Yes INSTALL a new BJB.
No REPAIR the circuit.
D8 CHECK THE WINDSHIELD WIPER SYSTEM VOLTAGE SUPPLY CIRCUITS FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect the BJB C1035B.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1035B-12 Ground
    C1035B-5 Ground
    C1035B-9 Ground

Is there voltage present?
Yes REPAIR the circuit.
No CHECK in 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 address this concern, INSTALL a new BJB.
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 articles: TSBs, GSBs, SSMs or FSAs. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service articles apply to this concern, INSTALL a new SCCM.
REFER TO: Windshield Wiper and Washer Systems (501-16 Windshield Wiper and Washer Systems, Diagnosis and Testing).
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 in 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 address this concern, INSTALL a new BCM. Refer to the appropriate Removal and Installation procedure in Section 419-10.
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

  • 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 windshield wiper motor.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
No INSTALL a new wiper/washer switch.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing). CHECK the system for normal operation. If the concern persists, CHECK OASIS for applicable service information: TSB, GSB, SSM or FSA. If service information exists for this concern, STOP this test and FOLLOW the service information instructions. If no service information resolves this concern, INSTALL a new SCCM.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
PINPOINT TEST F: RAIN-SENSING WIPER FUNCTION INOPERATIVE/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:01 Rain sensor: General electrical failure Sets when the SCCM detects an electrical fault in the rain sensor.
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.
SCCM B10AD:49 Rain sensor: Internal electronic failure Sets when the SCCM detects an internal electronic fault in 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 fuse BJB 124 (5A) and make sure it is in good condition.
  • 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

  • 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: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing). CHECK the system for normal operation. If the concern persists, CHECK OASIS for applicable service information: TSB, GSB, SSM or FSA. If service information exists for this concern, STOP this test and FOLLOW the service information instructions. If no service information resolves this concern, INSTALL a new SCCM.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
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 lens gel is missing or damaged. INSTALL a new rain sensor.
REFER TO: Wiper and Washer Systems (501-16 Wiper and Washer Systems, Diagnosis and Testing).
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: Wiper and Washer Systems (501-16 Wiper and Washer Systems, Diagnosis and Testing).
CLEAN the mating surfaces between the windshield and the rain sensor. INSTALL the rain sensor correctly.
CHECK the system for normal operation. If the concern persists, INSTALL a new wiper motor.
REFER TO: Wiper and Washer Systems (501-16 Wiper and Washer Systems, Diagnosis and Testing).
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 fuse BJB 124 (5A) for good condition. If good, GO to F12.
If not good, REFER TO the wiring diagrams to determine possible causes of the short circuit.
F12 CHECK RAIN SENSOR VOLTAGE SUPPLY CIRCUIT FOR OPEN
  • Ignition OFF.
  • Disconnect the BJB C1035B.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C914-1 C1035B-5

Is the resistance less than 3 ohms?
Yes INSTALL a new BJB.
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 articles: TSBs, GSBs, SSMs or FSAs. If a service article exists for this concern, STOP this test and FOLLOW the service article instructions. If no service articles apply to this concern, INSTALL a new SCCM.
REFER TO: Windshield Wiper and Washer Systems (501-16 Windshield Wiper and Washer Systems, Diagnosis and Testing).
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 and Washer Systems (501-16 Wiper and Washer Systems, Diagnosis and Testing).
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 windshield wiper motor.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
No ADJUST the pivot arms.
REFER TO: Wiper and Washer Systems (501-16 Wiper and Washer Systems, Diagnosis and Testing).
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
  • BJB
  • 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 Wiper and Washer Systems (501-16 Windshield Wiper and Washer Systems, Diagnosis and Testing).
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: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing). CHECK the system for normal operation. If the concern persists, CHECK OASIS for applicable service information: TSB, GSB, SSM or FSA. If service information exists for this concern, STOP this test and FOLLOW the service information instructions. If no service information resolves this concern, INSTALL a new SCCM.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
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
    C137-1 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 Wiper and Washer Systems (501-16 Windshield Wiper and Washer Systems, Diagnosis and Testing).
No REPAIR the circuit.
H9 CHECK THE WASHER PUMP VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Disconnect the windshield wiper motor C125.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C125-7 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
    C125-7 C137-1

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 windshield wiper motor.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
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: Windshield Wiper and Washer Systems (501-16 Windshield Wiper and Washer Systems, Diagnosis and Testing).
VERIFY the system operates correctly. If the concern persists, 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 address this concern, INSTALL a new SCCM.
Refer to: Windshield Wiper and Washer Systems (501-16 Windshield Wiper and Washer Systems, Diagnosis and Testing).
No INSTALL a new windshield wiper motor.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
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
  • BJB
  • Rear wiper motor
  • Wiper motor
  • SCCM

Visual Inspection and Pre-checks

  • Inspect fuse BJB 71 (20A) and make sure it is in good condition.
  • 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 VERIFY that fuse BJB 71 (20A) is good. If good, go to J3.
If not good, REFER to the wiring diagrams to determine the possible cause of the short circuit.
No INSTALL a new wiper/washer switch.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing). CHECK the system for normal operation. If the concern persists, CHECK OASIS for applicable service information: TSB, GSB, SSM or FSA. If service information exists for this concern, STOP this test and FOLLOW the service information instructions. If no service information resolves this concern, INSTALL a new SCCM.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
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 the BJB C1035B.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C476-1 C1035B-9

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.
  • Disconnect the rear wiper motor C476.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C476-3 Ground

Is the resistance less than 3 ohms?
Yes GO to J6
No REPAIR the circuit.
J6 CHECK THE REAR WIPER MOTOR CONTROL CIRCUIT FOR A SHORT TO VOLTAGE
  • Disconnect the windshield wiper motor C125.
  • 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 C125-11

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
    C125-11 C125-6
  • 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: Windshield Wiper and Washer Systems (501-16 Windshield Wiper and Washer Systems, Diagnosis and Testing).
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 windshield wiper motor.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
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: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing). CHECK the system for normal operation. If the concern persists, CHECK OASIS for applicable service information: TSB, GSB, SSM or FSA. If service information exists for this concern, STOP this test and FOLLOW the service information instructions. If no service information resolves this concern, INSTALL a new SCCM.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
K2 CHECK THE WIPER MOTOR
  • Ignition OFF.
  • Disconnect the windshield wiper motor C125.
  • 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 windshield wiper motor C125.
  • 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: Windshield Wiper and Washer Systems (501-16 Windshield Wiper and Washer Systems, Diagnosis and Testing).
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 windshield wiper motor.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
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
  • BJB
  • Washer pump
  • Wiper/Washer Switch
  • Wiper motor
  • SCCM

Visual Inspection and Pre-checks

  • Inspect fuse 16 BJB (10A) and make sure it is OK.
  • 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: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing). CHECK the system for normal operation. If the concern persists, CHECK OASIS for applicable service information: TSB, GSB, SSM or FSA. If service information exists for this concern, STOP this test and FOLLOW the service information instructions. If no service information resolves this concern, INSTALL a new SCCM.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
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
    C137-2 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 windshield wiper motor C125.
  • Disconnect the BJB C1035B.
  • The ignition is on.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C1035B-1 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 wiper motor C125.
  • Connect a fused jumper wire:
    Click to display connectors
    Positive lead Measurement/Action Negative lead
    C1035B-12 Battery positive
  • Connect:
    Click to display connectors
    Positive lead Measurement/Action Negative lead
    C1035B-10 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 BJB.
No GO to L10
L10 CHECK REAR WASHER RELAY CONTROL CIRCUIT FOR OPEN
  • Disconnect the windshield wiper motor C125.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C125-12 C1035B-10

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 windshield wiper motor.
REFER to: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
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 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
  • Wiper/Washer Switch
  • BJB
  • Washer pump
  • 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: Steering Column Left Multifunction Switch (211-05 Steering Wheel and Column Electrical) Removal and Installation.
CHECK the system for normal operation. If the concern is still present, GO TO M7.
M2 CHECK WASHER PUMP RELAY CONTROL CIRCUIT FOR SHORT TO GROUND
  • Ignition OFF.
  • Disconnect the windshield wiper motor C125.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C125-12 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 the BJB C1035B.
  • Action:
    Click to display the connectors
    Positive lead Measurement/Action Negative lead
    C125-12 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 WASHER PUMP RELAY OUTPUT CIRCUIT FOR SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect the BJB 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 INSTALL a new BJB.
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 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 address this concern, INSTALL a new wiper motor.
REFER TO: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
CHECK the system for normal operation. If the concern is still present, GO TO M7.
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.
M7 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 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 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 address 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 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
  • Windshield washer reservoir leaking
  • Front camera washer nozzle
  • Front camera washer check valve

Visual Inspection and Pre-checks

  • Inspect the front camera washer nozzle for damage.
  • Inspect the front camera washer hose and fittings for damage.
  • Inspect the front camera washer hose check valve (17A605B) installed on the front bumper cover, behind the radiator support panel.
Make sure the hose or check valve is not blocked. Make sure the check valve is clean and free of foreign material and grease.
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 camera washer nozzle.
REFER TO: Park Aid Front Camera (413-13C).
No The front camera has a built-in check valve. This nozzle check valve prevents washer fluid leakage when not in use. REPAIR the front camera washer hoses, check valve or fittings as necessary.
PINPOINT TEST O: 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
O1 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 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 address this concern, INSTALL a new SCCM AS BUILT DATA.
REFER TO: Wipers and Washers (501-16 Wipers and Washers, Diagnosis and Testing).
No The system is currently operating correctly. The concern may have been caused by an intermittent condition. DIAGNOSE the observed symptom.
PINPOINT TEST P: 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
P1 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: Wiper and Washer Systems (501-16 Wiper and Washer Systems, Diagnosis and Testing). CHECK the system for normal operation. If the concern persists, CHECK OASIS for 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 resolves the concern, INSTALL a new SCCM.
REFER TO: Wiper and Washer Systems (501-16 Wiper and Washer Systems, Diagnosis and Testing).
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 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
Q1 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 and Washer Systems (501-16 Wiper and Washer Systems, Diagnosis and Testing). CHECK the system for normal operation. If the concern persists, CHECK OASIS for 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 resolves the concern, INSTALL a new SCCM.
REFER TO: Wiper and Washer Systems (501-16 Wiper and Washer Systems, Diagnosis and Testing).
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 R: WIPER PARK INOPERATIVE

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
  • BJB
  • Wiring, Terminals or Connectors
  • Heated Park Wiper Grid

Visual Inspection and Pre-checks

  • Make sure fuse BJB 133 (15A) is OK.
  • Inspect the heated wiper park grille and electrical connectors for damage.
R1 CHECK THE HEATED WIPER PARK GRILLE VOLTAGE (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: Windshield Heating Element C1788.
  • The ignition is on.
  • Activate the heated wiper park.
  • Connect:
    Click to display connectors
    Positive lead Measurement/Action Negative lead
    C1788-1 Ground

Does the indicator lamp illuminate when the heated windshield or heated wiper park is activated?
Yes GO to R2
No Diagnose any windshield heating concerns before attempting to diagnose any heated wiper park concerns.
REFER TO: Glass, Frames and Mechanisms - Vehicles With: One-Touch Up/Down Front Windows (501-11 Glass, Frames and Mechanisms, Diagnosis and Testing).
R2 CHECK THE HEATED WIPER PARK GRILLE 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 connectors
    Positive lead Measurement/Action Negative lead
    C1788-1 Ground

Does the indicator lamp illuminate when the heated windshield or heated wiper park is activated?
Yes GO to R3
No CHECK fuse BJB 133 (15A) is OK. If OK, REPAIR the faulty circuit. If not OK, REFER TO the Wiring Diagrams manual to identify possible causes of the circuit short to ground.
R3 CHECK THE HEATED WIPER PARK GRILLE 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 connectors
    Positive lead Measurement/Action Negative lead
    C1788-2 Ground

Does the test lamp illuminate?
Yes INSTALL a new windshield.
REFER TO: Wiper and Washer Systems (501-16 Wiper and Washer Systems, Diagnosis and Testing).
No REPAIR the circuit.
PINPOINT TEST S: DTCS (DIAGNOSTIC TROUBLE CODE) 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 BJB 69 (30A) is OK.

NOTICE: Use the correct probe adapter(s) when making measurements. Using incorrect probe adapter(s) may damage the connector.

S1 CHECK THE SCCM (STEERING COLUMN CONTROL MODULE) DTCs (DIAGNOSTIC TROUBLE CODES) 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 pack and inspect the pins and terminals for damage and corrosion. Repair as necessary. If OK, INSTALL a new wiper switch pack.
REFER TO: Wiper and Washer Systems (501-16 Wiper and Washer Systems, Diagnosis and Testing).
. 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 article resolves the concern, INSTALL a new SCCM.
REFER TO: Wiper and Washer Systems (501-16 Wiper and Washer Systems, Diagnosis and Testing).
.
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 T: B10AD:9A, B1131:9A

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:9A Rain sensor: Component or system operating conditions This DTC sets when the SCCM detects a concern with the rain sensor. DIAGNOSE the observed wiper/washer symptom. REFER TO the Symptom Chart in this section.
SCCM B1131:9A Wiper motor module: Component or system operating conditions This DTC sets when the SCCM detects a concern with the wiper system. DIAGNOSE the observed wiper/washer symptom. REFER TO the Symptom Chart in this section.

Possible Sources

  • Wiper System Concern
Diagnostic steps are not provided for this symptom or diagnostic trouble code. REFER TO: Diagnostic Methods (100-00 General Information, Description and Operation).
PINPOINT TEST U: WIPER BLADE PERFORMANCE CONCERNS - POOR WIPING, STREAKING OR BINDING

Normal Operation and Fault Symptoms

Wiper blade smearing, streaking or chattering concerns are usually caused by dirt, ice, debris or other foreign material on the wiper blades or the glass surface. The wiper blades and glass surface must be cleaned and retested before replacing the wiper blade for smearing, streaking or chattering.

Possible Sources

  • Dirt, ice, debris or other foreign material on the wiper blades.
  • Dirt, ice, debris or other foreign material on the glass surface.
  • Damaged wiper blade.
  • Damaged glass.

Visual Inspection and Pre-checks

  • Inspect the glass surface for damage.
U1 CLEAN THE WIPER BLADES AND GLASS SURFACE
  • Ignition OFF.
  • Clean the suspect windshield wiper blades:
    • Wipe the suspect windshield wiper blades with a clean, lint-free cloth and windshield washer fluid (Motorcraft ZC-32M20-EG or equivalent).
  • Clean the glass surface:
    • Wipe the suspect glass surface with a clean, lint-free cloth and glass cleaner (Motorcraft ZC-23 or equivalent).
  • The ignition is on.
  • Recheck the windshield wiper system.

Do the windshield wiper problems persist (poor wiping, streaking, chattering)?
Yes INSTALL new windshield wiper blades for the blade in question.
No The system is operating correctly. The concern was caused by dirt, ice, debris or other foreign material on the wiper blade(s) or glass surface.

Test yourself

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