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 DTC*
(a) Check for a DTC and note any codes that are output.
(b) Delete the DTC.
(c) Recheck for DTCs, and try to prompt the DTC by simulating the original activity that the DTC suggests.

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 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