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 the Techstream.
1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. PROBLEM SYMPTOM CONFIRMATION

NEXT -- Continue to next step.

3. CHECK CAN COMMUNICATION SYSTEM*

(a) Check for output DTCs.





HINT
The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN communication system.

B -- GO TO CAN COMMUNICATION SYSTEM [1][2]How to Proceed With Troubleshooting.
A -- Continue to next step.

4. DTC CHECK AND CLEAR*

Refer to DTC Check/Clear Cruise Control System.

NEXT -- Continue to next step.

5. DTC CHECK (OTHER THAN CAN SYSTEM DTC)*





B -- GO TO DTC CHART Cruise Control System.
A -- Continue to next step.

6. PROBLEM SYMPTOM CONFIRMATION





B -- Go to STEP 9
A -- Continue to next step.

7. SYMPTOM SIMULATION

Refer to Electronic Circuit Inspection Procedure Electronic Circuit Inspection Procedure.

NEXT -- Continue to next step.

8. PROBLEM SYMPTOMS TABLE

Refer to Problem Symptoms Table Problem Symptoms Table.

NEXT -- Continue to next step.

9. CIRCUIT INSPECTION

NEXT -- Continue to next step.

10. TERMINALS OF ECM

Refer to Terminals of ECM Cruise Control System.

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