From 10-2006

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

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:
- Use the following procedures to troubleshoot the cruise control system.
- *: Use the intelligent tester.

1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. PROBLEM SYMPTOM CONFIRMATION
NEXT -- Continue to next step.
3. CHECK CAN COMMUNICATION SYSTEM*
Refer to PRECAUTION Vehicle Damage Warnings.
(a) Check for output DTCs.
Result:





HINT: The hybrid vehicle control ECU 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 -- PROCEED TO "CAN COMMUNICATION SYSTEM"
A -- Continue to next step.
4. DTC CHECK AND CLEAR*
Refer to DTC CHECK / CLEAR Cruise Control System.
NEXT -- Continue to next step.
5. DTC CHECK (OTHER THAN CAN SYSTEM DTC)*

Result:





A -- GO TO STEP 7
B -- Continue to next step.
6. DTC CHART
Refer to DIAGNOSTIC TROUBLE CODE CHART Cruise Control System.
NEXT -- GO TO STEP 10
7. PROBLEM SYMPTOM CONFIRMATION

Result:






A -- GO TO STEP 9
B -- Continue to next step.
8. SYMPTOM SIMULATION
Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE Electronic Circuit Inspection Procedure.
NEXT -- Go to step 7
9. PROBLEM SYMPTOMS TABLE
Refer to PROBLEM SYMPTOMS TABLE Symptom Related Diagnostic Procedures.
NEXT -- Continue to next step.
10. CIRCUIT INSPECTION*
NEXT -- Continue to next step.
11. TERMINALS OF ECU
Refer to TERMINALS OF ECU Pinout Values and Diagnostic Parameters.
NEXT -- Continue to next step.
12. IDENTIFICATION OF PROBLEM
NEXT -- Continue to next step.
13. REPAIR OR REPLACE
NEXT -- Continue to next step.
14. CONFIRMATION TEST
NEXT -- END