EPS Components

DTC Troubleshooting (cont'd)

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DTC 42, 45: Motor Driven Current

NOTE: Information marked with an asterisk (*) applies to RHD model.

  1. Clear the DTC.
  2. Start the engine.
  3. Turn the steering wheel from lock-to-lock several times, and wait 10 seconds or more.

Does the EPS indicator come on?

YES - Go to step 4.

NO - The system is OK at this time.

  1. Stop the engine, and verify the DTC.

Is DTC 42 or 45 indicated?

YES - Go to step 5.

NO - Perform the appropriate troubleshooting for the code indicated.

  1. Make sure the ignition switch is OFF, then disconnect the EPS control unit B connector (2P) and motor 2P connector.
  2. Check for continuity 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 continuity?

YES - Repair short to body ground in the RED wire between the EPS control unit and motor.

NO - Go to step 7.

  1. Check for continuity 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 continuity?

YES - Repair short to body ground in the GRN wire between the EPS control unit and motor.

NO - Go to step 8.

  1. Check for continuity between the EPS control unit connector B (2P) terminal No. 1 and No. 2.

    EPS CONTROL UNIT CONNECTOR B (2P)

Wire side of female terminals

Is there continuity?

YES - Repair short between the RED and GRN wires in the motor circuit between the EPS control unit and motor.

NO - Go to step 9.