How to Proceed with Troubleshooting

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 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 CAN COMMUNICATION SYSTEM*
(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. CHECK INDICATOR LIGHT
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 DIAGNOSTIC TROUBLE CODE CHART
A -- Continue to next step.
6. PROBLEM SYMPTOMS TABLE
(a) Refer to problem symptoms table Symptom Related Diagnostic Procedures.
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