Body Electrical System

Instrument Cluster

28steps
~168min
5/5difficulty
Done 0 of 28

Components and Component Location

COMPONENTS

[Standard Type (3.5 inch)]
[Super Vision Type (4.3 inch)]
PIN CONNECTOR INFORMATION
No. Description No. Description
1 MASS 21 Day switch (-)
2 ILLUMINATION (-) 22 Day switch 1 (+)
3 Input (low) rheostat switch 23 Day switch 2 (+)
4 Input (high) rheostat switch 24 -
5 Relaxation 25 Speaker (-) (monitor type only)
6 A/T ("P" position) 26 Speaker (-) (monitor type only)
7 A/T ("R" position) 27 -
8 AT ("N" Position) 28 -
9 A/T ("D" position) 29 Multimedia CAN (Low)
10 AT ("S" Position) 30 Multimedia CAN Bus (High)
11 - 31 Driver Mode Switch_Input (AT only)
12 Oil pressure switch input (gasoline only) 32 Chassis CAN (HIGH)
13 Alternator_Input (gasoline only) 33 CAN (BAS) Chassis
14 Fuel sender input (-) 34 Washer Low Level Signal
15 Airbag (+) input 35 Water separator (diesel only)
16 Fuel sender input (-) 36 MASS
17 Immobilizer input 37 MASS
18 Vehicle speed output 38 Flex steering wheel (TM only)
19 - 39 ALL 1
20 Rear lamp input 40 Battery (+)

Circuit Diagrams

Wiring Diagram

[General Standard]

[General Warning]

Description and Operation

Description

Communication Network Diagram
ABBREVIATIONS Description
ACU Airbag Control Unit
ABS Anti-Lock Braking System (ABS)
AEB Autonomous Emergency Braking
AFLS Adaptive Front Lighting System
Amperes Booster
AVN Headlamp Unit (Audio/AVN)
B_CAN Body Controller Network
BCM Body Control Module
BSD Blind-Spot Detection System
C_CAN Chassis Controller Area Network
EMB Instrument Cluster Module
CAMERA Rearview Camera
DATC Temporary Command. Dual Automatic
ESC Electronic Stability Program
EPB Electronic Parking Brake (EPB)
Emergency Call Engine Control System
FUEL PUMP Fuel pump
LDWS Lane Departure Warning System
M_CAN Media Controller Zone Network
DBDM Motor Driven Power Steering
P_CAN Power Train Controller Area Network
PTG POWER LIFTGATE
SJB Smart Junction Block
SMK Smart Key
SPAS Intelligent Parking Assist System
UCT Transmission Control Unit
TMU Telematics System
4WD All-Wheel Drive System

Variant Coding of the Instrument Cluster: Since the vehicle now has more options (ESC, MDPS, etc.), the instrument cluster displays additional information depending on the selected options. Therefore, it is necessary to know which options the vehicle has when replacing the instrument cluster. To solve this, the options for the specific vehicle must be checked when replacing the cluster. This is called "variant coding". Function
  1. High-Speed CAN Communication (C-CAN)
    • User function: Automatic seat with lever on/off motion, welcome light
    • LDWS: Lane Departure Warning System
    • SPAS: Smart Parking Assist System
  2. Low-speed CAN communication (M-CAN)
    • AV: Multimedia Audio/Video Information Display
    • TBT: Turn-By-Turn navigation information display
  3. Audio output: Various warning chimes and sound effects are played through the external speakers connected to the instrument panel. If an external amplifier is applied, the directional warning is output through the amplifier.
    Her Description and Function (CAN Data Receiver)
    Welcome Welcome (Smart key removed state and door open/closed status confirmed by BCM)
    Goodbye Goodbye (group)
    Door open warning Key reminder warning (BCM): vehicle speed is equal to or less than 5 km/h and the ALL switch is in ACC or ALL position, or the engine is started, and when the vehicle speed is below 5 km/h or when the driver's door is open
    Seat belt warning Driver Unfastened Seat Belt Warning (BCM)
    PAS system buzzer PAS sensor error warning (BCM)
    R speed PAS warning when shifting to R (BCM and SPAS)
    PARKING BRAKE Parking Brake Warning (BCM)
    START button SSB (SMK) warning button
    Rheostat LED information Rheostat warning when maximum or minimum level is selected (group)
    Smart key exit Smart Exit key warning (SMK)
    Smart Exit key No warning (SMK)
    Conditional speed Change normal gear
    Turn signal lamp Turn signal warning (BCM)
    Turn indicator (Current) Turn signal warning (BCM)
    Smart key battery low voltage Warning when the driver presses the SSB button with a low-voltage smart key battery (SMK)
    EPB buzzer Buzzer when switching from automatic to locking EPB (EPB)
    Coolant Temperature Warning When engine temperature is above 120ºC (EMS)
  4. User Setting Mode (USM): The setting can be changed using the switches (MENU, UP, DOWN and OK button). Several items (for example, seat entry/exit synchronization, steering wheel entry/exit synchronization, automatic door locking, automatic door lock cancellation, headlight follow-me function, welcome light, welcome sound, one-touch flashing light, automatic reset of fuel consumption average, brightness and content configuration) can be set and adjusted. Traffic light signals during setting are as follows.
    1. USM settings are determined and transmitted to the BCM.
    2. The BCM transmits the settings via B-CAN to the corresponding modules.
    3. The module completes the setting and transmits the changed setting to the BCM.
    4. The BCM transmits the final settings to the instrument cluster via C-CAN.

Repair Procedures

DEPOSIT

Instrument Cluster
  1. Disconnect the negative (-) battery terminal.
  2. Remove the instrument cluster panel. (Refer to Body — Lower Instrument Panel)
  3. Separate the instrument cluster (A) by loosening the mounting screws.
  4. Remove the instrument cluster after disconnecting the instrument cluster connector (A).
  5. Disconnect the negative (-) battery terminal.
  6. Remove the instrument cluster upper panel. (Refer to Body - Lower Instrument Panel)
  7. Separate the speaker from the instrument cluster (A) by loosening the screw.
  8. Remove the speaker from the instrument cluster (A) after disconnecting the speaker connector (B).
Instrument Cluster Speaker

REMEDY

Instrument Cluster
  1. Install the speaker after connecting the instrument cluster connectors.
  2. Install the instrument cluster panel.
  3. Connect the negative (-) battery terminal.
  4. Install the instrument cluster speaker after connecting the instrument cluster connectors.
  5. Install the instrument cluster upper panel.
  6. Connect the negative (-) battery terminal.
Instrument Cluster Speaker

Inspection

  1. Checkpoint (indicator lamp)
    NO Symbol No. Name Color Input Signal Signal command Checkpoint
    1
    Flashing light (left) GREEN CAN BGM
    (Bridge)
    1. With multifunction switch
    2. BCM
    3. CAN malfunction
    2
    Flashing light (right) GREEN CAN BGM
    (Bridge)
    1. With multifunction switch
    2. BCM
    3. CAN malfunction
    3
    Tail Light GREEN CAN BGM
    (Bridge)
    1. With multifunction switch
    2. BCM
    3. CAN malfunction
    4
    FOG
    Fog lamps
    GREEN CAN BGM
    (Bridge)
    1. With multifunction switch
    2. BCM
    3. CAN malfunction
    5
    Rear Fog Lamp YELLOW CAN BGM
    (Bridge)
    1. With multifunction switch
    2. BCM
    3. CAN malfunction
    6
    Headlamps GREEN CAN BGM
    (Bridge)
    1. With multifunction switch
    2. BCM
    3. CAN malfunction
    7
    LED
    Headlamp
    YELLOW CAN BGM
    (Bridge)
    1. BCM
    2. CAN malfunction
    8
    Red lights BLUE CAN BGM
    (Bridge)
    1. With multifunction switch
    2. BCM
    3. CAN malfunction
    9
    Main symbol YELLOW CAN BSD
    1. BSD System
    2. CAN malfunction
    SCP
    1. TPMS system
    2. CAN malfunction
    BCM
    1. Exterior Lighting
    2. BCM
    3. CAN malfunction
    Cable Fuel sensor
    1. Fuel Sender Malfunction
    2. Wiring Fault
    LOWER WASHER
    1. Windshield washer fluid level sensor
    2. Wiring Fault
    DIGITAL INPUT Maintenance reminders
    10
    Battery Charge RED CAN ECM
    1. Charging System
    2. CAN malfunction
    11
    OIL PRESSURE RED Cable ECM
    1. ECM system
    2. Cable
    3. CAN malfunction
    12
    Check engine light YELLOW CAN ECM
    1. ECM system
    2. CAN malfunction
    13
    Immobilizer YELLOW CAN BGM
    (Bridge)
    1. SMK system
    2. BCM
    3. CAN malfunction
    4. Cable
    14
    PARKING BRAKE
    Brake fluid
    EBD
    EPB
    RED CAN BGM
    (Bridge)
    EBD
    EPB
    ABS
    TCS
    1. BCM
    2. ABS system
    3. EPB system
    4. CAN malfunction
    5. Parking Brake Switch
    6. Brake fluid level sensor
    15
    ABS YELLOW CAN ABS
    1. ABS system
    2. CAN malfunction
    16
    ESC YELLOW CAN TCS
    1. ABS system
    2. CAN malfunction
    17
    OFF YELLOW CAN TCS
    1. ABS system
    2. CAN malfunction
    18
    EPB YELLOW CAN EPB
    1. EPB system
    2. CAN malfunction
    19
    Auto Hold WHITE
    YELLOW
    GREEN
    CAN TCS
    1. ABS system
    2. CAN malfunction
    20
    Seat belt RED CAN BGM
    (Bridge)
    1. BCM
    2. CAN malfunction
    21
    AIRBAG RED CAN srscm
    1. SRSCM system
    2. CAN malfunction
    22
    EPS
    [MDPS]
    RED CAN DBDM
    1. MSPP unit system
    2. PSDS engine
    3. CAN malfunction
    23
    SCP YELLOW CAN SCP
    1. TPMS system
    2. TPMS SENSOR
    3. CAN malfunction
    24
    Low Fuel Warning YELLOW Direct
    (Micom)
    fuel segment
    1. Fuel Sender Malfunction
    2. Wiring Fault
    25
    ECO GREEN Cable ECO Mode
    1. ECM system
    2. CAN malfunction
    26
    Sport YELLOW Cable sport mode
    1. ECM system
    2. CAN malfunction
    27
    SPEED CONTROL GREEN CAN ECM
    1. ECM system
    2. CAN malfunction
    28
    kit GREEN CAN ECM
    1. ECM system
    2. CAN malfunction
    29
    4WD YELLOW CAN AWD ECU
    1. All-Wheel Drive System
    2. CAN malfunction
    30
    4WD LOCK YELLOW CAN AWD ECU
    1. All-Wheel Drive System
    2. CAN malfunction
    31
    Diesel Particulate Filter (DPF) YELLOW CAN ECM
    1. DPF system
    2. CAN malfunction
    32
    ENGINE OIL LEVEL YELLOW CAN ECM
    1. ECM
    2. CAN malfunction
    33
    HEATER YELLOW CAN ECM
    1. ECM
    2. CAN malfunction
    34
    WATER SEPARATOR RED Cable Water-in-Fuel Sensor
    1. Water-in-Fuel Sensor
    2. Wiring Fault
    35
    Downhill Brake Control (DBC) System GREEN
    YELLOW
    CAN TCS
    1. BCW System
    2. CAN malfunction
    36
    Overspeed YELLOW CAN ECM
    1. ECM
    2. CAN malfunction
  2. Check Point (Sensor)
    NO Name Input Signal Signal Command
    (Unit/Sensor)
    Checkpoint
    1 Speedometer C_CAN ABS/ESC 1) ABS System
    2. CAN Line Malfunction
    2 Tachometer C_CAN ECM 1. ECU
    2. CAN Line Malfunction
    3 Engine Coolant Temperature C_CAN ECM 1. ECU
    2. CAN Line Malfunction
    4 FUEL hard wire Fuel 1) Fuel Sensor Malfunction
    2. Wiring Malfunction
  3. In the body electrical system, a fault can be quickly diagnosed using the Global Diagnostic System (GDS). The GDS provides the following information.
    1. Self-diagnosis: checks for malfunctions and the number of codes (DTC)
    2. Current data: checking the input/output status of the system
    3. Operation check: checks the operating conditions of the system
    4. Additional function: controls other functions, including additional system setup and zero point adjustment
  4. Select "Vehicle Model" and "Cluster Module (CLU)" to check the vehicle with the tester.
  5. Select the "Current Data" menu to check the current status of inputs and outputs.
  6. To control the input force of the module to be controlled, select the "Operation Check" option.
  7. Connect the GDS cable to the data link connector in the lower driver-side crash pad cover, GDS plug.
  8. Select the model and "BCM".
  9. Select the variant coding mode to be performed.
  10. If DTCs occur during variant coding, try again after checking the CLU installation status.
Diagnosis with GDS Variant Coding: After replacing the instrument cluster with a new one, perform the "Variant Coding" procedure.

Test yourself

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