## EPS Components

#### DTC Troubleshooting (cont'd)

17-79

7. Check for continuity between the EPS control unit connector C (20P) terminal No. 3 and the torque sensor 6P connector terminal No. 2.

EPS CONTROL UNIT CONNECTOR C (20P)

Wire side of female terminals

Is there continuity?

YES - Go to step 8.

NO - Repair open in the wire between the torque sensor and EPS control unit.

8. Check for continuity between the EPS control unit connector C (20P) terminal No. 11 and body ground.

   EPS CONTROL UNIT CONNECTOR C (20P)

Wire side of female terminals

Is there continuity?

YES - Repair short to body ground in the wire between the torque sensor and EPS control unit.

NO - Go to step 9.

9. Check for continuity between the EPS control unit connector C (20P) terminal No. 11 and the torque sensor 6P connector terminal No. 3.

EPS CONTROL UNIT CONNECTOR C (20P)

Wire side of female terminals

Is there continuity?

YES - Go to step 10.

NO - Repair open in the wire between the torque sensor and EPS control unit.

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

Does the EPS indicator come on?

YES - Go to step 12.

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

12. Stop the engine, and verify the DTC.

Is DTC17 or DTC18 indicated?

YES - Check for loose torque sensor connectors. If necessary, substitute a known-good steering gearbox and recheck.

NO - Perform the appropriate troubleshooting for the code indicated.