The instrument panel cluster (IPC) illuminates the ABS indicator by supplying ground to the lamp. The electronic brake control module (EBCM) sends a serial data messages to the IPC, in order to command the indicator ON or OFF.

Schematic Reference

Antilock Brake System Schematics

Connector End View Reference

Antilock Brake System Connector End Views

Description and Operation

ABS Description and Operation

Electrical Information Reference

Scan Tool Reference

Scan Tool Data List

1. Ignition ON, with a scan tool command the IPC Lamp and Gage test ON and OFF. The ABS indicator should turn ON and OFF.

⇒	If the ABS indicator does not turn ON and OFF when commanded, replace the IPC.

2. Replace the EBCM.

Control Module References for EBCM or IPC replacement, setup, and programming