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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESANTI-LOCK BRAKESBRAKE SYSTEMBRAKE ACTUATOR ASSYON-VEHICLE INSPECTION
2004 Toyota Matrix XR, FWD, Standard

On-Vehicle Inspection

2004 Toyota Matrix XR, FWD, StandardSECTION On-Vehicle Inspection
  1. CONNECT HAND-HELD TESTER 
    1. Connect the hand-held tester to the DLC3.
    2. Start the engine and run at idle.
    3. Select the ACTIVE TEST mode on the hand-held tester.

    HINT: Please refer to the hand-held tester operator's manual for further details.

  2. INSPECT ACTUATOR MOTOR OPERATION 
    1. With the motor relay on, check the actuator motor operation noise.
    2. Turn the motor relay off.
    3. Depress the brake pedal and hold it for about 15 seconds. Check that the brake pedal cannot be depressed.
    4. With the motor relay on, check that the pedal does not pulsate.
      NOTE: Do not keep the motor relay on for more than 5 seconds continuously. When operating it continuously, set an interval of more than 20 seconds.
    5. Turn the motor relay off and release the brake pedal.
  3. INSPECT RIGHT FRONT WHEEL OPERATION 
    NOTE: Never turn on a solenoid in a manner different than described below.
    1. With the brake pedal depressed, perform the following operations.
    2. Turn the SFRH and SFRR solenoids on simultaneously, and check that the pedal cannot be depressed.
      NOTE: Do not keep the solenoids on for more than 10 seconds continuously. When operating them continuously, set an interval of more than 20 seconds.
    3. Turn the SFRH and SFRR solenoids off simultaneously, and check that the pedal can be depressed.
    4. Turn the motor relay on, and check that the pedal returns.
      NOTE: Do not keep the motor relay on for more than 5 seconds continuously. When operating it continuously, set an interval of more than 20 seconds.
    5. Turn the motor relay off and release the brake pedal.
  4. INSPECT OTHER WHEEL OPERATION 
    1. Using the same procedures, check the solenoids of the other wheels.

    HINT:

    Left front wheel: SFLH, SFLR

    Right rear wheel: SRRH, SRRR

    Left rear wheel: SRLH, SRLR

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.