How to Proceed With Troubleshooting

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

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

1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

NEXT -- Continue to next step.

3. CHECK CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally.

Result:





B -- Go to CAN COMMUNICATION SYSTEM Symptom Related Diagnostic Procedures
A -- Continue to next step.

4. CHECK INDICATOR

(a) Check the indicator Diagnosis System.

NEXT -- Continue to next step.

5. CHECK FOR DTC*

(a) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.

(b) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(c) Recheck for DTCs Reading and Clearing Diagnostic Trouble Codes.

Result:





A -- GO TO STEP 7
B -- Continue to next step.

6. DTC CHART*

Refer to DIAGNOSTIC TROUBLE CODE CHART Cruise Control System.

NEXT -- GO TO STEP 10

7. PROBLEM SYMPTOM CONFIRMATION

Result:





A -- GO TO STEP 9
B -- Continue to next step.

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. CHECK 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