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Using TOYOTA Hand-held Tester

CAUTION: Do not keep relay ON for more than 5 seconds continuously. When operating continuously, set intervals at no more than 20 seconds.
  1. Connect TOYOTA hand held tester to DLC3. Start engine and let it run at idle. Select ACTIVE TEST mode on hand held tester. With motor relay ON, check actuator motor operation noise. Turn motor relay OFF. Depress brake pedal and hold for about 15 seconds. Check that brake pedal cannot be depressed.
  2. With motor relay ON, check that pedal does not pulsate. Turn motor relay OFF and release brake pedal. To check right front wheel operation, depress brake pedal, turn SFRH and SFRR solenoids ON simultaneously and check that pedal cannot be depressed. Turn SFRH and SFRR solenoids OFF simultaneously and check that pedal can be depressed. Turn motor relay ON, and check that pedal returns.
  3. Turn motor relay OFF and release brake pedal. To inspect other wheel solenoid operations, use same procedures and check solenoids in this order:
    • Left Front Wheel: SFLH & SFLR
    • Right Rear Wheel: SRRH & SRRR
    • Left Rear Wheel: SRLH & SRLR
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