DTC Troubleshooting: 37

DTC 37: Motor Voltage

1. 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.■

1. 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 (G506).■

1. Disconnect EPS control unit connector A (2P) and the motor 2P connector.

1. 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.■

1. 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.■

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

Is there continuity?

YES | - | Repair short to body ground in the wire between EPS control unit and motor.■
NO | - | Go to Step 7 .

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

Is there continuity?

YES | - | Repair short to body ground in the wire between EPS control unit and motor.■
NO | - | Check for loose terminals and poor connections at EPS control unit and motor. If necessary, substitute a known-good EPS control unit and recheck.■