Abs Warning Light Does Not Come On Detecting Condition

WARNING: This page is about a different car, the 2006 Subaru Outback, 2006 Subaru Legacy, and 2006 Saab 9-2X. However, it is still accessible from the selected car via links, so may be relevant.

Defective combination meter

Defective harness
TROUBLE SYMPTOM:

When the ignition switch is turned to ON (engine OFF), ABS warning light does not come on.

WIRING DIAGRAM:

Fig 1: ABS Warning Light Does Not Come ON - Wiring Diagram

DIAGNOSIS PROCEDURE

Step	Check	Yes	No
1 CHECK OTHER LIGHTS TURN ON. Turn the ignition switch to ON. (engine OFF)	Do other warning lights illuminate?	Go to step 2.	Check the combination meter.
2 READ DTC. Read the DTC. < Ref. to READ DIAGNOSTIC TROUBLE CODE (DTC) . >	Is DTC displayed?	Perform the diagnosis according to DTC.	Go to step 3.
3 CHECK GROUND SHORT CIRCUIT OF HARNESS. Turn the ignition switch to OFF. Disconnect the connector (B310) from the VDCCM&H/U. Disconnect the connector (MO) from combination meter. Measure the resistance between VDCCM&H/U connector and chassis ground. Connector & terminal (B310) No. 35 - Chassis ground:	Is the resistance more than 1 MΩ?	Go to step 4.	Repair the harness connector between VDCCM&H/U and combination meter.
4 CHECK VDCCM. Connect the connector (B310) to VDCCM&H/U. Turn the ignition switch to ON. Measure the resistance between the combination meter connector and chassis ground soon after the ignition switch is turned to ON (within 1.5 seconds). Connector & terminal (i10) No. 5 - Chassis ground:	Is the resistance more than 1 MΩ?	Check the combination meter.	Replace the VDCCM&H/U.