34-02

EPS DTC Troubleshooting: 34-02

DTC 34-02:

Fail-Safe Relay

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

2. Clear the DTC with the HDS.

3. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.

4. Check for DTCs with the HDS.

Is DTC 34-02 indicated?

YES -

Go to step 5.

NO -

Troubleshoot the indicated DTC. If there are no DTCs, the system is OK at this time.�

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

6. Disconnect EPS control unit connector B (2P) and connector C (2P).

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

8. Measure the voltage between body ground and EPS control unit connector B (2P) terminal No. 1, connector C (2P) terminal No. 1, and connector C (2P) terminal No. 2 individually.









Is there battery voltage?

YES -

Repair a short to power in the wire between the EPS control unit and the EPS motor.�

NO -

Replace the EPS control unit Service and Repair.�