How to Proceed with Troubleshooting

CRUISE CONTROL: CRUISE CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:
- Use the following procedures to troubleshoot the cruise control system.
- *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.

2. PROBLEM SYMPTOM CONFIRMATION
NEXT -- Continue to next step.

3. DTC CHECK AND CLEAR*
Refer to the DTC CHECK / CLEAR Reading and Clearing Diagnostic Trouble Codes.
NEXT -- Continue to next step.

4. DTC CHECK (OTHER THAN MPX AND CAN SYSTEM DTC)*
Result:





A -- GO TO STEP 6
B -- Continue to next step.

5. DTC CHART
Refer to the DIAGNOSTIC TROUBLE CODE CHART Cruise Control System.
NEXT -- GO TO STEP 9
6. PROBLEM SYMPTOM CONFIRMATION
Result:





A -- GO TO STEP 8
B -- Continue to next step.

7. SYMPTOM SIMULATION
NEXT -- Go to step 6
8. PROBLEM SYMPTOMS TABLE
Refer to the PROBLEM SYMPTOMS TABLE Symptom Related Diagnostic Procedures.
NEXT -- Continue to next step.

9. CIRCUIT INSPECTION
NEXT -- Continue to next step.

10. TERMINALS OF ECM
Refer to TERMINALS OF ECM Pinout Values and Diagnostic Parameters.
NEXT -- Continue to next step.

11. IDENTIFICATION OF PROBLEM
NEXT -- Continue to next step.

12. REPAIR OR REPLACE
NEXT -- Continue to next step.

13. CONFIRMATION TEST
NEXT -- END