NO. 3 ABS WARNING LIGHT ILLUMINATES [INSTRUMENT CLUSTER]


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3

ABS warning light illuminates

POSSIBLE CAUSE
•  Short circuit in wiring harness between CAN-L, CAN-H and GND
•  DSC HU/CM malfunction
•  Instrument cluster malfunction
•  DTC is stored in DSC HU/CM
•  Connector or pin malfunction
•  Open circuit in CAN wiring harness (CAN-L, CAN-H)
•  CAN wiring harness (CAN-L, CAN-H) short each other

Diagnostic procedure

STEP

INSPECTION

ACTION

1
•  Start the engine.
•  Does the ABS warning light turn off?
Yes
Troubleshooting completed.
No
Go to the next step.
2
•  Are there a number of warning lights illuminated?
Yes
Go to Step 5.
No
Go to the next step.
3
•  Disconnect the negative battery cable.
•  Measure the resistance between the DLC-2 terminals F and E.
•  Is the resistance below 60 ohms?
Yes
Go to the next step.
No
Go to Step 6.
4
•  Inspect the DLC-2 terminals F and E for short to power supply or GND.
•  Is there any malfunction?
Yes
Inspect the wiring harness and CAN system-related module.
Repair or replace the malfunctioning part.
No
Replace the instrument cluster.
5
•  Connect the M-MDS to DLC-2.
•  Retrieve the on-demand and continuous memory DTC from DSC HU/CM.
•  Is there any DTC displayed?
Yes
Perform the appropriate DTC troubleshooting procedure.
No
Go to the next step.
6
•  Turn the ignition switch to LOCK position.
•  Inspect the instrument cluster connector terminals for poor connection (such as damaged/pulled-out pins, and corrosion).
•  Are the terminals normal?
Yes
Go to the next step.
No
Repair or replace the terminal.
7
•  Disconnect the negative battery cable.
•  Measure the resistance between the instrument cluster connector terminals 1J and 1L.
•  Is the resistance 114—126 ohms?
Yes
Inspect the wiring harness and CAN system-related module.
Repair or replace the malfunctioning part.
No
Replace the instrument cluster.