| DTC 61-04: | Motor Harness Open/Short (Diagnosis when steering wheel turning) |
| 1. | Clear the DTC using the HDS. |
| 2. | Turn the ignition switch OFF. |
| 3. | Start the engine. |
| 4. | Turn the steering wheel to right or left, and wait 10 seconds or more. Does the EPS indicator come on? YES - Go to 5. NO - Check for loose terminals or poor connections. If the connections are good, the system is OK at this time.n |
| 5. | Verify the DTC. Is DTC 61-04 indicated? YES - Go to 6. NO - Perform the appropriate troubleshooting for the code indicated.n |
| 6. | Turn the ignition switch OFF. |
| 7. | Disconnect the EPS control unit connector B (2P) and connector C (2P). |
| 8. | Check for continuity between the following terminals of the EPS control unit connector B (2P) and connector C (2P).
Is there continuity? YES - Go to 9. NO - Go to 12. |
| 9. | Check for continuity between body ground and the EPS control unit connector B (2P) No. 1 terminal, connector C (2P) No. 1 terminal, connector C (2P) No. 2 terminal individually.
Is there continuity? YES - Go to 10. NO - Check for loose terminals in the EPS control unit connectors, and repair if necessary. If no poor connections are found, replace the EPS control unit. |
| 10. | Disconnect the motor 1P connector and motor 2P connector. |
| 11. | Check for continuity between body ground and the EPS control unit connector B (2P) No. 1 terminal, connector C (2P) No. 1 terminal, connector C (2P) No. 2 terminal individually.
Is there continuity? YES - Repair short to body ground in the wire harness between the EPS control unit and motor.n NO - Short to the body ground in the motor wire harness, or motor internal circuit, replace the motor: LHD type, RHD type.n |
| 12. | Disconnect the motor 1P connector and motor 2P connector. |
| 13. | Check for continuity between the following terminals of the motor 1P and motor 2P connector.
Is there continuity? YES - Repair open in the wire harness between the EPS control unit and motor.n NO - Open in the motor wire harness, or motor internal circuit, replace the motor: LHD type, RHD type.n |