Anti-Lock Brake System - How To Proceed With Troubleshooting

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS


ANTI-LOCK BRAKE SYSTEM - HOW TO PROCEED WITH TROUBLESHOOTING

  • HINT:
  • *: Use the intelligent tester.

1.VEHICLE BROUGHT TO WORKSHOP
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2.INSPECT BATTERY VOLTAGE
  • Standard voltage:
  • 11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

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3.INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

Using the intelligent tester, inspect the CAN communication function to ensure there are no malfunctions in the communication system.

Result
ResultProceed to
No DTCs (CAN communication system) outputA
DTCs (CAN communication system) outputB
  • HINT:
  • The skid control ECU sends the signals of each warning light via CAN communication.
B.
PROCEED TO CAN COMMUNICATION SYSTEM
A
4.CHECK DTC AND FREEZE FRAME DATA*
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5.CLEAR DTC AND FREEZE FRAME DATA*
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6.PROBLEM SYMPTOM CONFIRMATION
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7.DTC CHECK AND CLEAR*
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8.PROBLEM SYMPTOM CONFIRMATION
Result
ResultProceed to
Symptom does not occurA
Symptom occursB
B.
GO TO STEP 10
A
9.SYMPTOM SIMULATION
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10.CHECK FOR DTC (OTHER THAN CAN COMMUNICATION SYSTEM DTC)*
Result
ResultProceed to
No DTCs outputA
DTCs outputB
B.
GO TO STEP 12
A
11.PROBLEM SYMPTOMS TABLE
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GO TO STEP 14
12.DIAGNOSTIC TROUBLE CODE CHART
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13.CIRCUIT INSPECTION*
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14.IDENTIFICATION OF PROBLEM
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15.REPAIR OR REPLACE
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16.CONFIRMATION TEST*
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END