Diagnosis Procedure

CONSULT

1. Turn the ignition switch OFF to ON.
2. Select "Self Diagnostic Result" mode of "CHASSIS CONTROL". Refer to CONSULT Function .

Is any DTC detected?

YES

Check the DTC. Refer to DTC Index .

NO

GO TO 2.

1. Turn the ignition switch OFF.
2. Disconnect chassis control module harness connector.
3. Disconnect power steering control module harness connector.
4. Check the connector for disconnection or looseness.
5. 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.

CONSULT

1. Connect chassis control module harness connector.
2. Connect power steering control module harness connector.
3. Turn the ignition switch OFF to ON.
4. Erase "Self Diagnostic Result" mode of "EPS/DAST 3".
5. Turn the ignition switch OFF and wait for at least 10 seconds.
6. Turn the ignition switch OFF to ON.
7. Select "Self Diagnostic Result" mode of "EPS/DAST 3".

Is DTC "U140E" detected?

YES

Power steering control module is malfunctioning. Replace steering gear assembly. Refer to Removal and Installation .

NO

Check pin terminal and connection of each harness connector for malfunctioning conditions.