Turn the ignition switch ON (II), and measure the voltage between the EPS control unit connector B (2P) terminal No. 1 and body ground. EPS CONTROL UNIT CONNECTOR B (2P) Wire side of female terminals Is there battery voltage? YES - Repair short to power in the + circuit wire between the EPS control unit and motor. NO - Go to step 10. Measure the voltage between the EPS control unit connector B (2P) terminal No. 2 and body ground. EPS CONTROL UNIT CONNECTOR B (2P) Wire side of female terminals Is there battery voltage? YES - Repair short to power in the - circuit wire between the EPS control unit and motor. NO - Go to step 11.

Turn the ignition switch is OFF. 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 14. 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 41 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.