How To Proceed With Troubleshooting

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

HINT
* Use the following procedures to troubleshoot the dynamic laser cruise control system.
* *: Use the Techstream.
1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. CUSTOMER PROBLEM ANALYSIS

NEXT -- Continue to next step.

3. PROBLEM SYMPTOM CONFIRMATION

Result:





A -- GO TO STEP 4

B -- SYMPTOM SIMULATION

4. INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, replace or recharge the battery before proceeding to the next step.

NEXT -- Continue to next step.

5. CHECK COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)

(a) Use the Techstream to check if the multiplex communication system (MPX) is functioning normally.

Result:





B -- PROCEED TO "MULTIPLEX COMMUNICATION SYSTEM"
A -- Continue to next step.

6. CHECK COMMUNICATION FUNCTION OF CONTROLLER AREA NETWORK (CAN)

(a) Use the Techstream to check for normal function of the CAN communication system.

(b) Check for DTCs.

Result:





B -- PROCEED TO "CAN COMMUNICATION SYSTEM"
A -- Continue to next step.

7. DTC CHECK

Result:





B -- GO TO STEP 9
A -- Continue to next step.

8. DTC CHART

NEXT -- GO TO STEP 10

9. PROBLEM SYMPTOMS TABLE

NEXT -- Continue to next step.

10. CIRCUIT INSPECTION

NEXT -- Continue to next step.

11. TERMINALS OF ECM

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