How to Proceed with Troubleshooting

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

HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- Use the following procedure to troubleshoot the cruise control system.
- *: Use the 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) Check for output DTCs.
Result:





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
A -- Continue to next step.

4. CHECK INDICATOR LIGHT
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:






B -- GO TO DIAGNOSTIC TROUBLE CODE CHART
A -- Continue to next step.

6. PROBLEM SYMPTOMS TABLE
(a) Refer to Problem Symptoms Table Symptom Related Diagnostic Procedures.
Result:






B -- Go to step 8
A -- Continue to next step.

7. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Terminals of ECM Pinout Values and Diagnostic Parameters
(b) Data List / Active Test Scan Tool Testing and Procedures
NEXT -- Continue to next step.

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

9. CONFIRMATION TEST
NEXT -- END