How to Proceed With Troubleshooting

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

HINT
* The vehicle stability control system troubleshooting procedures are based on the premise that the CAN communication system is normally functioning. Check the CAN communication system first before troubleshooting the vehicle stability control system.
* *: Use a Techstream.

1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. CUSTOMER PROBLEM ANALYSIS

(a) Interview the customer and confirm the trouble.

NEXT -- Continue to next step.

3. CHECK DTC AND FREEZE FRAME DATA*

(a) Check and record a DTC and Freeze Frame Data.

(b) Clear the DTC and Freeze Frame Data Reading and Clearing Diagnostic Trouble Codes for DTC Check/Clear, or Freeze Frame Data for Freeze Frame Data).

(c) Reconfirm the DTC.

(1) Reconfirm the DTC based on the recorded DTC and Freeze Frame Data Reading and Clearing Diagnostic Trouble Codes for DTC Check/Clear, or Freeze Frame Data for Freeze Frame Data).

HINT
If any of the DTCs U0100/65, U0123/62, U0124/95, and U0126/63 is output together with a CAN communication DTC, first check the appropriate sensor for a momentary open circuit Check For Intermittent Problems.

Result:





B -- GO TO STEP 5

C -- GO TO STEP 6
A -- Continue to next step.

4. DIAGNOSTIC TROUBLE CODE CHART

(a) Proceed to Diagnostic Trouble Code Chart Vehicle Stability Control System.

NEXT -- GO TO STEP 7

5. SYMPTOM SIMULATION

(a) Proceed to Check for Intermittent Problems Check For Intermittent Problems.

NEXT -- Continue to next step.

6. PROBLEM SYMPTOMS TABLE

(a) Proceed to Problem Symptoms Table Problem Symptoms Table.

NEXT -- Continue to next step.

7. CIRCUIT INSPECTION*

NEXT -- Continue to next step.

8. IDENTIFICATION OF PROBLEM

NEXT -- Continue to next step.

9. REPAIR OR REPLACEMENT

NEXT -- Continue to next step.

10. CONFIRMATION TEST*

NEXT -- END