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/System Description
The instrument cluster turns ON the ABS indicator for 5 s after ignition ON or when the electronic brake control module (EBCM) detects a fault and sends a serial data message to the instrument cluster commanding the indicator ON.
Reference Information
Schematic Reference
Antilock Brake System Schematics
Connector End View Reference
Description and Operation
Electrical Information Reference
| • | Circuit Testing |
| • | Wiring Repairs |
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification
Ignition ON, the ABS indicator should turn ON. After 5 s the ABS indicator should turn OFF.
Circuit/System Testing
- Ignition ON, with a scan tool command the instrument cluster All Indicators test ON and OFF. Verify the ABS indicator turns ON and OFF.
- Verify the ABS indicator turns OFF 5 s after ignition ON.
| ⇒ | If the ABS indicator does not turn ON and OFF, replace the P16 Instrument Panel Cluster (IPC). |
| ⇒ | If the ABS indicator does not turn OFF, replace the K17 Electronic Brake Control Module (EBCM). |
Repair Instructions
| • | Perform the Diagnostic Repair Verification after completing the diagnostic procedure. |
| • | Control Module References for instrument cluster or EBCM replacement, setup and programming |
