How to Proceed With Troubleshooting

BRAKE CONTROL: ANTI-LOCK BRAKE SYSTEM (for Sedan): HOW TO PROCEED WITH TROUBLESHOOTING

HOW TO PROCEED WITH TROUBLESHOOTING
HINT: *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP
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2. CUSTOMER PROBLEM ANALYSIS
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3. DTCS AND FREEZE FRAME DATA CHECK AND CLEARANCE*
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4. PROBLEM SYMPTOM CONFIRMATION
Result:






B -- SYMPTOM SIMULATION
A -- Continue to next step.
5. CAN COMMUNICATION SYSTEM CHECK*
(a) Check for the output DTC relating to the CAN communication system.
HINT: The ECU of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, be sure to check that there is no trouble in the CAN communication system.

Result:






B -- CAN COMMUNICATION SYSTEM
A -- Continue to next step.
6. DTC CHECK*
HINT:
ABS (Antilock Brake System) (for Sedan).

Result:






B -- PROBLEM SYMPTOM TABLE
A -- Continue to next step.
7. DTC CHART
HINT:
ABS (Antilock Brake System) (for Sedan).

NEXT -- Continue to next step.
8. CIRCUIT INSPECTION
HINT: When 2 or more DTCs are detected, perform circuit inspections one by one until the problem is identified.

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9. PROBLEM IDENTIFICATION
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10. REPAIR OR REPLACEMENT
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11. CONFIRMATION TEST
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