61-05

EPS DTC Troubleshooting: 61-05

DTC 61-05: Short in the Motor Harness (Initial Diagnosis)

1. Turn the ignition switch to ON (II).

2. Clear the DTC with the HDS.

3. Turn the ignition switch to LOCK (0).

4. Start the engine.

5. Check for DTCs with the HDS.

Is DTC 61-05 indicated?
YES - Go to step 6.

NO - Intermittent failure, the system is OK at this time.


6. Turn the ignition switch to LOCK (0).

7. Disconnect EPS control unit connectors B (16P).

8. Turn the ignition switch to ON (II).

9. Measure voltage between body ground and EPS control unit connector B (16P) terminals No. 14, No. 15, and No. 16 individually.

Is there battery voltage?
YES - Repair short to power in the wire between the EPS control unit and the EPS motor.

NO - Go to step 10.






10. Turn the ignition switch to LOCK (0).

11. Check for continuity between body ground and EPS control unit connector B (16P) terminals No. 14, No. 15, and No. 16 individually.

Is there continuity?
YES - Go to step 12.

NO - Replace the EPS control unit. Service and Repair






12. Disconnect the EPS motor 3P connector.

13. Check for continuity between body ground and EPS control unit connector B (16P) terminals No. 14, No. 15, and No. 16 individually.

Is there continuity?
YES - Repair short to body ground in the wire between the EPS control unit and the EPS motor.

NO - The fault is a short in the EPS motor internal circuit. Replace the EPS motor. Service and Repair