How to Proceed With Troubleshooting

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT:
*: 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. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
(a) Using the Techstream, inspect the CAN communication function to ensure there are no malfunctions in the communication system.

Result





HINT:
The skid control ECU sends the signals of each warning light via CAN communication.

B -- PROCEED TO CAN COMMUNICATION SYSTEM
A -- Continue to next step.
4. CHECK DTC AND FREEZE FRAME DATA*
NEXT -- Continue to next step.
5. CLEAR DTC AND FREEZE FRAME DATA*
NEXT -- Continue to next step.
6. PROBLEM SYMPTOM CONFIRMATION
NEXT -- Continue to next step.
7. DTC CHECK AND CLEAR*
NEXT -- Continue to next step.
8. PROBLEM SYMPTOM CONFIRMATION

Result





B -- GO TO STEP 10
A -- Continue to next step.
9. SYMPTOM SIMULATION
NEXT -- Continue to next step.
10. CHECK FOR DTC (OTHER THAN CAN COMMUNICATION SYSTEM DTC)*

Result





B -- GO TO STEP 12
A -- Continue to next step.
11. PROBLEM SYMPTOMS TABLE
NEXT -- GO TO STEP 14
12. DIAGNOSTIC TROUBLE CODE CHART
NEXT -- Continue to next step.
13. CIRCUIT INSPECTION*
NEXT -- Continue to next step.
14. IDENTIFICATION OF PROBLEM
NEXT -- Continue to next step.
15. REPAIR OR REPLACE
NEXT -- Continue to next step.
16. CONFIRMATION TEST*
NEXT -- END