How to Proceed With Troubleshooting

CRUISE CONTROL SYSTEM:

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
(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





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 ECU (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