Diagnosis Procedure

CONSULT

1. Ignition 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. Ignition OFF.
2. Disconnect chassis control module harness connector.
3. Disconnect EPS control unit 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 EPS control unit harness connector.
3. Ignition ON.
4. Erase "Self Diagnostic Result" mode of "EPS/DAST 3".
5. Press ignition switch OFF and wait for at least 10 seconds.
6. Ignition ON.
7. Select "Self Diagnostic Result" mode of "EPS/DAST 3".

Is DTC "U140E" detected?

YES

EPS control unit is malfunctioning. Replace steering gear assembly. Refer to Removal and Installation .

NO

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