DTC 34-02

DTC 34-02: Fail-safe Relay Stuck ON (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. Turn the ignition switch to ON (II).

Does the EPS indicator come on?

YES - Go to step 5.

NO - Check for loose terminals or poor connections. If the connections are good, the system is OK at this time.

5. Check for DTCs with the HDS.

Is DTC 34-02 indicated?

YES - Go to step 6.

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

6. Turn the ignition switch to LOCK (0).
7. Disconnect EPS control unit connector B (2P) and connector C (2P).
8. Turn the ignition switch to ON (II).
9. Measure voltage between body ground and EPS control unit connector B (2P) No. 1 terminal, connector C (2P) No. 1 terminal, and connector C (2P) No. 2 terminal individually.





Is there battery voltage?

YES - Repair short to power in the wire between the EPS control unit and the EPS motor.

NO - Replace the EPS control unit.