K3 Check For Shorted 31S
- Turn ignition switch to OFF.
- Disconnect 22-pin C2 connector and 8-pin C1 connector from anti-lock brake control module.
- Turn ignition switch to RUN.
- Does traction control lamp remain OFF?
YES -- Turn ignition switch OFF. Go to K4. K4 Check Relay Box
NO -- Service circuit 31S (BK/BL) and/or 31S (BK/GN) for short to ground. Restore vehicle. Retest system