EPS Symptom Troubleshooting
|EPS indicator does not come on||Symptom Troubleshooting|
|EPS indicator does not go off, and no DTCs are stored||Symptom Troubleshooting|
|EPS indicator is not on, no DTCs are stored, but there is no power assist or power assist down||1.|
|Check the motor power wires between the EPS control unit and the motor for a short to ground. Repair as needed.|
If the motor power wires is OK, replace the steering gearbox (short in the motor).
Check the power and ground connections at the EPS control unit.
|HDS does not communicate with the EPS control unit or the vehicle||Troubleshoot the DLC circuit: R18A1 engine model, K20Z2 engine model.|