How to Proceed with Troubleshooting
CRUISE CONTROL: CRUISE CONTROL SYSTEM: 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, replace or recharge the battery before proceeding to the next step.
NEXT -- Continue to next step.
3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Result
B -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.
4. CHECK FOR DTC*
(a) Check for DTCs Cruise Control System.
(b) Clear the DTCs.
(c) Recheck for DTCs.
Result
B -- GO TO DTC CHART Cruise Control System
A -- Continue to next step.
5. PROBLEM SYMPTOMS TABLE
Refer to Problem Symptoms Table Problem Symptoms Table.
Result
B -- Go to step 7
A -- Continue to next step.
6. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Terminals of ECM Cruise Control System
(b) Data List / Active Test Cruise Control System
NEXT -- Continue to next step.
7. ADJUST, REPAIR OR REPLACE
NEXT -- Continue to next step.
8. CONFIRMATION TEST
NEXT -- END