61-04

EPS DTC Troubleshooting: 61-04

DTC61-04:

Motor Harness Malfunction

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 61-04 indicated?

YES -

Go to step 6.

NO -

Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the EPS control unit.�

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

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

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





Is there continuity?

YES -

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 Service and Repair.

NO -

Go to step 9.

9. Disconnect the EPS motor 3P connector.

10. On the EPS motor side, check for continuity between EPS motor 3P connector terminals No. 1 and No. 2, No. 1 and No. 3, and No. 2 and No. 3 individually.





Is there continuity?

YES -

Repair an open in the wire between the EPS control unit and EPS motor.�

NO -

Replace the EPS motor Service and Repair.�