How To Proceed With Troubleshooting

BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (for BOSCH Made): HOW TO PROCEED WITH TROUBLESHOOTING

1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. CUSTOMER PROBLEM ANALYSIS

(a) Interview the customer to confirm the trouble.

NEXT -- Continue to next step.

3. CHECK CAN COMMUNICATION SYSTEM

(a) Check for DTCs Vehicle Stability Control System (For BOSCH Made).

HINT
The skid control ECU 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.

Result:





B -- CHECK CAN COMMUNICATION CIRCUIT
A -- Continue to next step.

4. CHECK DTC AND FREEZE FRAME DATA

(a) Check for DTCs and Freeze Frame Data Vehicle Stability Control System (For BOSCH Made) for DTC Check / Clear, Freeze Frame Data for Freeze Frame Data).

(1) Record the DTCs and Freeze Frame Data.

(b) Clear the DTCs.

(c) Recheck for DTCs.

(1) Reproduce the malfunction and check if the DTCs are output again.

Result:





B -- GO TO STEP 9

C -- GO TO STEP 10
A -- Continue to next step.

5. DIAGNOSTIC TROUBLE CODE CHART

(a) Go to "DIAGNOSTIC TROUBLE CODE CHART" Vehicle Stability Control System (for BOSCH Made).

NEXT -- Continue to next step.

6. CIRCUIT INSPECTION

NEXT -- Continue to next step.

7. REPAIR OR REPLACE

NEXT -- Continue to next step.

8. CONFIRMATION TEST

NEXT -- END

9. SYMPTOM SIMULATION

NEXT -- Continue to next step.

10. PROBLEM SYMPTOMS TABLE

(a) Go to "PROBLEM SYMPTOMS TABLE" Problem Symptoms Table.

NEXT -- Continue to next step.

11. CIRCUIT INSPECTION

NEXT -- Continue to next step.

12. REPAIR OR REPLACE

NEXT -- Continue to next step.

13. CONFIRMATION TEST

NEXT -- END