Electrical Power Steering

DTC 4: Upper FET Stuck ON

1. Disconnect EPS control unit connector C (2P).
2. Check for continuity between EPS control unit connector C (2P) terminal No. 1 and body ground.





Is there continuity?

YES - Check for loose EPS control unit connectors. If necessary, substitute a known-good EPS control unit and recheck.

NO - Repair open in the wire between the EPS control unit and the body ground (G351).