Control Unit Connector
- On A/T models, check for voltage at control unit connector (Blue wire) with ignition on. There should be voltage. If there is no voltage, check Blue wire between ignition coil and control unit.
- Check for voltage at the Black/Yellow wire with ignition on. There should be voltage. If there is no voltage, check wiring. Check Brown/Black wire for continuity between control unit and ground. There should be continuity.