EPS Components

DTC Troubleshooting (cont'd)

17-85  

  1. 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.

  1. 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.

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

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 12.

NO - Repair open in the RED wire between the EPS control unit and motor.