DTC 17

DTC 17: Torque Sensor Vcc1
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.
5. Stop the engine, and verify the DTC.
Is DTC 17 or DTC 18 indicated?
YES - Go to step 5.
NO - Do the troubleshooting for the DTC indicated.
Make sure the ignition switch is OFF, then disconnect EPS control unit connector C (20P) and the torque sensor 6P connector.





6. Check for continuity between EPS control unit connector C (20P) terminal No. 3 and body ground.
Is there continuity?
YES - Repair short to body ground in the wire between the torque sensor and EPS control unit.
NO - Go to step 7.





7. Check for continuity between EPS control unit connector C (20P) terminal No. 3 and the torque sensor 6P connector terminal No. 2.
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 EPS control unit connector C (20P) terminal No. 11 and body ground.
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 EPS control unit connector C (20P) terminal No. 11 and the torque sensor 6P connector terminal No. 3.
Is there continuity?
YES - Go to step 10.
NO - Repair open in the wire between the torque sensor and EPS control unit.
10. Check for loose wires or poor connections at EPS control unit connector C (20P), then substitute a known-good EPS control unit. Reconnect the disconnected connectors.
11. Start the engine.
Does the EPS indicator come on?
YES - Go to step 12.
NO - Replace the EPS control unit and recheck.
12. Stop the engine, and verify the DTC.
Is DTC 17 or DTC 18 indicated?
YES - Check for loose wire or poor connection at the torque sensor connectors. If necessary, substitute a known-good steering gearbox and recheck.
NO - Perform the appropriate troubleshooting for the code indicated.