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
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 |
