## EPS Components

#### DTC Troubleshooting (cont'd)

17-76

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 DTC12 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.

DTC 16: Torque Sensor VT3 and VT6

NOTE: Information marked with an asterisk (*) applies to KU model.

1. Clear the DTC.
2. Start the engine.
3. Wait at least 10 seconds.

Does the EPS indicator come on?

YES - Go to step 4.

NO - The system is OK at this time.

4. Stop the engine, and verify the DTC.

Is DTC16 indicated?

YES - Go to step 5.

NO - Perform the appropriate troubleshooting for the code indicated.

5. Make sure the ignition switch is OFF, then disconnect the EPS control unit connector C (20P) and the torque sensor 6P connector.
6. Check for continuity between the appropriate EPS control unit connector C (20P) terminal and body ground (see table).

   Terminal name | EPS control unit connector C terminal No.
   Vcc1 | 3
   Vcc2 | 11
   VT3 | 13
   VT6 | 1 (5)*
   T/S GND | 2

   EPS CONTROL UNIT CONNECTOR C (20P)

Wire side of female terminals

Is there continuity?

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

NO - Go to step 7.