DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | |
|---|---|---|---|
| C1143 |
ST ANG SEN CIRCUIT (Steering angle sensor circuit) |
Diagnosis condition | When ignition switch ON. |
| Signal (terminal) | Steering angle sensor signal | ||
| Threshold | Steering angle sensor signal failure | ||
| Diagnosis delay time | 2 seconds or more | ||
POSSIBLE CAUSE
Harness or connectors
Steering angle sensor
Power steering control module
FAIL-SAFE
Certain steering assist force
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always place the ignition switch in the OFF position and wait at least 10 seconds before conducting the next test.
>>
GO TO 2.
DTC REPRODUCTION PROCEDURE
CONSULT
Ignition switch OFF to ON.
Select "Self Diagnostic Result" mode of "EPS/DAST 3".
Is DTC “C1143” detected?
YES>>Proceed to diagnosis procedure. Refer to DTC Diagnosis Procedure.
NO>>Inspection End.
CHECK STEERING ANGLE SENSOR CIRCUIT
Check steering angle sensor circuit. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace malfunctioning component.
CHECK TERMINALS AND HARNESS CONNECTORS
Check the power steering control module pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES>>Power steering control module is malfunctioning. Replace power steering oil pump assembly. Refer to Removal and Installation.
NO>>Repair or replace malfunctioning component.
C1601 Battery Volt
The autolight system allows the headlights to turn on and off automatically. The autolight system can:
Turn on the headlights, front parking, tail, license plate and instrument panel lights automatically when it is dark. Turn off all the lights (except daylight running lights) when it is light. Keep all the lights on for a period of time after you place the ignition switch in the OFF position and all doors are closed.