52-06

EPS DTC Troubleshooting: 52-06

DTC 52-06:

Torque Sensor Offset Out of Range

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 from lock to lock several times.

6. Check for DTCs with the HDS.

Is DTC 52-06 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 control unit.�

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

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

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

10. Measure the voltage between body ground and EPS control unit connector B (16P) terminal No. 2 and No. 4 individually.





Is there battery voltage?

YES -

Repair a short to power in the wire harness between the EPS control unit and the torque sensor.�

NO -

Go to step 11.

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

12. Check for continuity between body ground and EPS control unit connector B (16P) terminal No. 2 and No. 4 individually.





Is there continuity?

YES -

Go to step 13.

NO -

Go to step 16.

13. Disconnect the torque sensor 6P connector from the torque sensor on the steering gearbox.

14. Check for continuity between body ground and EPS control unit connector B (16P) terminal No. 2 and No. 4 individually.





Is there continuity?

YES -

Repair a short to body ground in the wire harness between the EPS control unit and the torque sensor.�

NO -

Replace the steering gearbox Steering Gearbox Removal/Installation.�

15. Disconnect the torque sensor 6P connector from the torque sensor on the steering gearbox.

16. Check for continuity between torque sensor 6P connector terminals and EPS control unit connector B (16P) terminals (see table).









Is there continuity?

YES -

Go to step 17.

NO -

Repair a open in the wire between the EPS control unit and the torque sensor.�

17. Substitute a known-good EPS control unit Service and Repair.

18. Reconnect all the connectors.

19. Start the engine.

20. Turn the steering wheel from lock to lock several times.

21. Check for DTCs with the HDS.

Is DTC 52-06 indicated?

YES -

Replace the steering gearbox Steering Gearbox Removal/Installation.�

NO -

Replace the original EPS control unit Service and Repair.�