DTC 3

DTC 3: Lower FET Stuck ON
1. Disconnect EPS control unit connector A (2P) and the motor 2P connector.





2. Check for continuity between EPS control unit connector A (2P) terminal No. 2 and motor 2P connector terminal No. 1.
Is there continuity?
YES - Go to step 3.
NO - Repair open in the wire between EPS control unit and the motor.





3. Check for continuity between the EPS control unit connector A (2P) terminal No. 1 and motor 2P connector terminal No. 2.
Is there continuity?
YES - Go to step 4.
NO - Repair open in the wire between the EPS control unit and the motor.





4. Check for continuity between EPS control unit connector A (2P) terminals No. 2 and No. 1.
Is there continuity?
YES - Repair short between the RED and GRN wires for the EPS motor circuit.
NO - Replace the steering gearbox (Short circuit to body ground inside the gearbox).