EPS Symptom Troubleshooting Index
When the vehicle has one of these symptoms, check for a diagnostic trouble code (DTC) with the HDS. If there is no DTC, do the diagnostic procedure for the symptom, in the sequence listed, until you find the cause.
| Symptom | Diagnostic Procedure | Also check for |
|---|---|---|
| HDS does not communicate with the EPS control unit or the vehicle | Troubleshoot the DLC circuit . | |
| EPS indicator does not come on | Symptom Troubleshooting - Refer to: EPS Symptom Troubleshooting - EPS indicator does not come on EPS Symptom Troubleshooting - EPS indicator does not go off, and no DTCs are stored EPS Symptom Troubleshooting - Steering pull . | |
| EPS indicator does not go off, and no DTCs are stored | ||
| Steering pull | Symptom Troubleshooting - Refer to: EPS Symptom Troubleshooting - EPS indicator does not come on EPS Symptom Troubleshooting - EPS indicator does not go off, and no DTCs are stored EPS Symptom Troubleshooting - Steering pull . | |
| EPS indicator is not on, no DTCs are stored, but there is no power assist or power assist is reduced |
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