DTC Diagnosis Procedure

1. CONSULT
   1. Ignition switch OFF to ON.
   2. Select "Self Diagnostic Result" mode of "ABS".

Is any DTC detected?

YES>>

Check the DTC. Refer to DTC Index .

NO>>

GO TO 2.

1. 1. Ignition switch OFF.
   2. Disconnect steering angle sensor harness connector.
   3. Disconnect EPS control unit harness connector.
   4. Check the connector for disconnection or looseness.
   5. Check the 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.

1. CONSULT
   1. Connect steering angle sensor harness connector.
   2. Connect EPS control unit harness connector.
   3. Ignition switch OFF to ON.
   4. Erase "Self Diagnostic Result" mode of "EPS/DAST 3".
   5. Ignition switch OFF and wait for at least 10 seconds.
   6. Ignition switch ON.
   7. Select "Self Diagnostic Result" mode of "EPS/DAST 3".

Is DTC "C1634-86" detected?

YES>>

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

NO>>

Inspection End.