Electric Power Steering System
- PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT
- Turn the ignition switch OFF to ON.
- Perform "ABS" self-diagnosis. Refer to Diagnosis Description .
Is any DTC detected?
YES
Check the DTC. Refer to DTC Index .
NO
GO TO 2.
- CHECK CONNECTOR AND TERMINAL
- Turn the ignition switch OFF.
- Disconnect ABS actuator and electric unit (control unit) harness connector.
- Disconnect power steering control module harness connector.
- Check the connector for disconnection or looseness.
- Check the pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace harness, connector, or terminal, securely lock the connector.
- PERFORM SELF-DIAGNOSIS
With CONSULT
- Connect ABS actuator and electric unit (control unit) harness connector.
- Connect power steering control module harness connector.
- Turn the ignition switch OFF to ON.
- Erase self-diagnostic results for "EPS/DAST 3".
- Turn the ignition switch OFF and wait for at least 10 seconds.
- Turn the ignition switch OFF to ON.
- Perform self-diagnosis for "EPS/DAST 3".
Is DTC "C1609" detected?
YES
Power steering control module is malfunctioning. Replace steering gear assembly. Refer to STEERING GEAR AND LINKAGE : Removal & Installation .
NO
Check pin terminal and connection of each harness connector for malfunctioning conditions.