How to Proceed with Troubleshooting

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

HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- Use these procedures 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 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
A -- Continue to next step.

4. CHECK INDICATOR LIGHT
NEXT -- Continue to next step.

5. CHECK FOR DTC*
(a) Check for DTCs Cruise Control System.
(b) Clear the DTCs Cruise Control System.
(c) Recheck for DTCs Cruise Control System.

Result





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

6. PROBLEM SYMPTOMS TABLE

Result





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

7. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Terminals of ECM Cruise Control System.
(b) Data List / Active Test Cruise Control System.
NEXT -- Continue to next step.

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

9. CONFIRMATION TEST
NEXT -- END