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. 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.

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