Power Circuit
- Check for battery voltage at terminals No. 1 (Red wire) and No. 48 (Red wire). If battery voltage exists, go to next step. If battery voltage does not exist, repair Red wires between ECM and fuse panel.
- Turn ignition on. Check for battery voltage between ECM terminal No. 60 (Green/White wire) and ground. If battery voltage does not exist, repair open in Green/White wire.