DTC 37
DTC 37: Motor Voltage1. Check the No. 22 (EPS) (70 A) fuse in the under hood fuse/relay box.
Is the fuse OK?
YES- Go to step 2.
NO- Replace the fuse and recheck.
2. Check for continuity between EPS control unit connector B (2P) terminal No. 2 and body ground.
Is there continuity?
YES- Go to step 3.
NO- Repair open in the wire between the EPS control unit and body ground (G651).
3. Disconnect EPS control unit connector A (2P) and the motor 2P connector.
4. Check for continuity between EPS control unit connector A (2P) terminal No. 2 and motor 2P connector terminal No. 2.
Is there continuity?
YES- Go to step 5.
NO- Repair open in the wire between EPS control unit and motor.
5. Check for continuity between EPS control unit connector A (2P) terminal No. 1 and motor 2P connector terminal No. 1.
Is there continuity?
YES- Go to step 6.
NO- Repair open in the wire between EPS control unit and motor.
6. Check for continuity between EPS control unit connector A (2P) terminal No. 2 and body ground.
Is there continuity?
YES- Repair short to ground in the wire between EPS control unit and motor.
NO- Go to step 7.
7. Check for continuity between EPS control unit connector A (2P) terminal No. 1 and body ground.
Is there continuity?
YES- Repair short to ground in the wire between EPS control unit and motor.
NO- Check for loose terminals and poor connections at the motor and the EPS control unit. If necessary, substitute a known-good EPS control unit and recheck.