NO. 3 ABS WARNING LIGHT ILLUMINATES

id0903d5807600

3

ABS warning light illuminates

POSSIBLE CAUSE

• ABS HU/CM or DSC HU/CM malfunction
• Instrument cluster malfunction
• Connector or pin malfunction
• Short circuit in wiring harness between CAN-L, CAN-H and GND
• 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 4.
No
Go to the next step.
3
• Start the instrument cluster input/output check mode.
• Does the ABS warning light turn off with a check code other than 26?
Yes
Inspect the ABS HU/CM or DSC HU/CM.
No
Replace the instrument cluster.
4
• Disconnect the negative battery cable.
• Measure the resistance between the DLC-2 terminals F and E.
• Is the resistance 54-66 ohms?
Yes
Go to the next step.
No
Go to Step 6.
5
• 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.
6
• Turn the ignition switch off.
• 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.