Check for continuity between the EPS control unit connector B (2P) terminal No. 2 and the motor 2P connector terminal No. 1 (No. 2)*. LHD: EPS CONTROL UNIT CONNECTOR B (2P) MOTOR CONNECTOR (2P) Wire side of female terminals RHD*: EPS CONTROL UNIT CONNECTOR B (2P) MOTOR CONNECTOR (2P) Wire side of female terminals Is there continuity? YES - Go to step 13. NO - Repair open in the GRN wire between the EPS control unit and motor. 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 15. 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 DTC 42 or 45 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.