61-03

EPS DTC Troubleshooting: 61-03

DTC 61-03:

Motor Harness Open

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. Turn the steering wheel to full left or full right, and hold the steering wheel for 10 seconds or more.

6. Check for DTCs with the HDS.

Is DTC 61-03 indicated?

YES -

Go to step 7.

NO -

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

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

8. Disconnect EPS control unit connector B (2P).

9. Disconnect the EPS motor 2P connector Service and Repair.

10. Check for continuity between EPS control unit connector B (2P) terminal No. 2 and EPS motor 2P connector terminal No. 1.





Is there continuity?

YES -

Go to step 11.

NO -

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

11. Check for continuity between EPS control unit connector B (2P) terminal No. 1 and EPS motor 2P connector terminal No. 2.





Is there continuity?

YES -

Go to step 12.

NO -

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

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





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 -

Replace the EPS motor Service and Repair.