## EPS Components

#### DTC Troubleshooting (cont'd)

17-88

11. Substitute a known-good EPS control unit, and connect the all disconnected connectors.

12. Start the engine.

Does the EPS indicator come on?

YES - Go to step 13.

NO - Check for loose EPS control unit connectors. If necessary, replace the EPS control unit and retest.

13. Stop the engine, and verify the DTC.

Is DTC 43 indicated?

YES - Check for loose EPS control unit connectors and motor connector. If necessary, substitute a known-good steering gearbox and recheck.

NO - Perform the appropriate troubleshooting for the code indicated.

DTC 47: EPS Control Unit Internal Circuit (Power Relay)

1. Clear the DTC.
2. Start the engine.

Does the EPS indicator come on?

YES - Go to step 3.

NO - The system is OK at this time.

3. Stop the engine, and verify the DTC.

Is DTC 47 indicated?

YES - Check for loose EPS control unit connectors. If necessary, substitute a known-good EPS control unit and recheck.

NO - Perform the appropriate troubleshooting for the code indicated.