How To Proceed With Troubleshooting

BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use these procedures to troubleshoot the vehicle stability 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 AND CLEAR DTC*

NEXT -- Continue to next step.

4. PROBLEM SYMPTOM CONFIRMATION

Result:





B -- Go to step 7
A -- Continue to next step.

5. SYMPTOM SIMULATION

NEXT -- Continue to next step.

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

(a) Using the Techstream, check for normal functioning of the CAN communication system.

(1) Perform bus check (communication malfunction DTC).

Result:





B -- Go to CAN COMMUNICATION SYSTEM
A -- Continue to next step.

7. CHECK FOR DTC*

Result:





B -- Go to step 10
A -- Continue to next step.

8. PROBLEM SYMPTOMS TABLE

Result:





B -- Go to step 10
A -- Continue to next step.

9. OVERALL ANALYSIS AND TROUBLESHOOTING

(a) Terminals of ECU Pinout Values and Diagnostic Parameters

(b) Data List/Active Test Data List / Active Test

NEXT -- Go to step 11

10. CHECK FOR FLUID LEAKAGE

NEXT -- Continue to next step.

11. REPAIR OR REPLACE

NEXT -- Continue to next step.

12. CONFIRMATION TEST

NEXT -- END