ABS Indicator Lamp Illuminated Continuously, No DTCs Stored

ABS Indicator Lamp Illuminated Continuously, No DTCs Stored





Circuit Description
Battery voltage is supplied to the ABS warning lamp with the ignition switch in the ON or START position. The warning lamp should be activated only by the ABS control module internally supplying ground to terminal 4.

Diagnosis
This procedure checks for a short to ground in the wiring or a defective Electronic Brake Control Module (EBCM).

Cause(s)
^ There is a short to ground in the circuit between the cluster terminal A13 and the EBCM terminal 4.
^ The EBCM is faulty.

Test Description
Number(s) below refer to the step number(s) on the Diagnostic Table.
1. This step determines whether the EBCM is faulty.
2. This begins a search for a short to ground in the circuit between the ABS indicator lamp and the EBCM.

Troubleshooting

Step 1-7: