Circuit/System Testing
IMPORTANT:
Diagnose all vehicle DTCs before using this diagnostic.
The malfunction must be present during diagnosis in order to prevent unnecessary parts replacement.
The malfunction must be present during diagnosis in order to prevent unnecessary parts replacement.
- Ignition OFF for 5 seconds, ignition ON, observe that the traction control indicator functions by illuminating for 2 seconds then turns OFF.
- If the traction control indicator does not illuminate, with the scan tool, select instrument panel special functions Display Test. Command the instrument panel lamps ON and OFF. Verify the TCS lamp turns ON and OFF.
- If the TCS warning lamp does not turn OFF, replace the IPC.
- If the TCS warning lamp does turn OFF, replace the EBCM.