For 1990-2009 cars only
Diagnostic Instructions
| • | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
| • | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
| • | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
Circuit Description
The instrument panel cluster (IPC) illuminates the traction control indicator during the IPC bulb check. The BCM receives a serial data message from the EBCM to illuminate the traction control indicator when a malfunction is detected. The IPC receives a serial data message from the BCM illuminate the traction control indicator.
Reference Information
Schematic Reference
Antilock Brake System Schematics
Connector End View Reference
Description and Operation
Electrical Information Reference
Scan Tool Reference
Control Module References for Scan Tool Information
Circuit Verification
- Ignition ON, observe the traction control indicator to turn ON then OFF during the IPC bulb test.
- With a scan tool command the IPC display test ON and OFF. The traction control indicator should turn ON and OFF.
| ⇒ | If the traction control indicator does not turn ON and OFF, replace the IPC. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
| • | Control Module References for IPC replacement, setup, and programming |
