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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 655 (BRAKE ACTUATOR ASSEMBLY (W/O VSC))ON-VEHICLE INSPECTION
2004 Toyota Matrix XR, FWD, Standard

On-Vehicle Inspection

2004 Toyota Matrix XR, FWD, StandardSECTION On-Vehicle Inspection
WARNING: This page is about a different car, the 2004 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
  1. CONNECT HAND-HELD TESTER: 
    1. Connect the hand-held tester to the DLC3.
    2. Start the engine and run it 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 motor relay ON for more than 5 seconds continuously. When operating it continuously, set the 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 the solenoid which is not described below.
    1. With the brake pedal depressed, perform the following operations.
    2. Turn the SFRH and SFRR solenoid ON simultaneously, and check that the pedal cannot be depressed.
      NOTE: Do not keep solenoid ON for more than 10 seconds continuously. When operating it continuously, set the interval of more than 20 seconds.
    3. Turn the SFRH and SFRR solenoid 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 motor relay ON for more than 5 seconds continuously. When operating it continuously, set the interval of more than 20 seconds.
    5. Turn the motor relay OFF and release the brake pedal.
  4. INSPECT OTHER WHEEL OPERATION 
    1. As in the same procedure, check the solenoids of 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.