G2 Check For Shorted 31S
- Turn ignition switch OFF.
- Disconnect 22-pin C2 connector and 8-pin C1 connector from hydraulic control unit.
- Turn ignition switch ON.
- Does anti-lock brake indicator lamp remain OFF?
YES -- Turn ignition switch OFF. Go to G3. G3 Check Relay Box
NO -- Service circuit 31S (BK/BL) and/or 31S (BK/R) for short to ground. Restore vehicle. Retest system.