C1608

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PRECONDITIONING

If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn power switch OFF and wait at least 10 seconds before conducting the next test.
- GO TO 2.

2. DTC REPRODUCTION PROCEDURE

With CONSULT
1.Turn the power switch OFF to ON.
2.Perform "EPS" self-diagnosis.
Is DTC "C1607" or "C1608" detected?
YES- Proceed to diagnosis procedure. Refer to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK TERMINALS AND HARNESS CONNECTORS

Check EPS control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace error-detected parts.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace error-detected parts.

2. PERFORM SELF-DIAGNOSIS

With CONSULT
1.Erase self-diagnostic results for "EPS".
2.Turn the power switch OFF, and then wait 10 seconds and more.
3.Turn the power switch OFF to ON.
4.Perform self-diagnosis for "EPS".
Is DTC "C1607" or "C1608" detected?
YES- EPS control unit is malfunctioning. Replace steering column assembly. Refer to "Removal and Installation" With Heated Steering Wheel.
NO- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.