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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 488 (ABS ACTUATOR)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 RAV4. However, it is still accessible from the selected car via links, so may be relevant.
  1. CONNECT TOYOTA HAND-HELD TESTER 
    1. Connect the TOYOTA hand-held tester to the DLC3.
      2. Fig 1: Connecting Hand Held Tester To DLC3 Connector
      G02926159Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Start the engine and run it at idle.
    3. Select the ACTIVE TEST mode on the TOYOTA hand-held tester.

      HINT:

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

  2. INSPECT ABS ACTUATOR MOTOR OPERATION 
    1. Check that the operation sound of the ABS actuator motor can be heard when the motor relay is turned ON by the TOYOTA hand-held tester.
      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.

      If the operation sound can not be heard, replace the ABS actuator because the motor operation is in failure.

    2. Turn the motor relay OFF.
  3. INSPECT RIGHT FRONT WHEEL SOLENOID 
    1. Depress the brake pedal and hold it for about 15 seconds, and check that the brake pedal does not go down further.

      If the brake pedal goes down, replace the ABS actuator because the sealing condition of the reduction solenoid valve is abnormal.

    2. Check that the brake pedal does not pulsate when the motor relay is turned ON by the TOYOTA hand-held tester.
      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.

      If there is a pulsation in the brake pedal, replace the ABS actuator because the sealing condition of the reduction solenoid valve is abnormal.

    3. Turn the motor relay OFF.
    4. Depress the brake pedal and hold it until the step ( g) is completed.
    5. Check that the brake pedal does not go down further when the SFRH and SFRR solenoids are turned ON by the TOYOTA hand-held tester.
      NOTE: Do not keep solenoid ON for more than 2 seconds continuously. When operating it continuously, set the interval of more than 20 seconds.

      If the brake pedal goes down, replace the ABS actuator because the holding solenoid valve operation is abnormal.

      HINT:

      To prevent the solenoids, TOYOTA hand-held tester turns OFF automatically 2 secs. after has been turned ON simultaneously.

    6. Check that the brake pedal goes down further when the solenoids are turned OFF.

      If the brake pedal does not go down, replace the ABS actuator because the reduction solenoid valve operation is abnormal.

    7. Check that the brake pedal returns when the motor relay is turned ON by the TOYOTA hand-held tester.
      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.

      If the brake pedal does not return, replace the ABS actuator because the motor operation is in failure.

    8. Turn the motor relay OFF and release the brake pedal.
  4. INSPECT OTHER WHEEL SOLENOIDS OPERATION 

    Check the solenoids of the other wheels with the same inspection procedure as the right front wheel solenoids.

    HINT:

    Left front wheel: SFLH and SFLR

    Right rear wheel: SRRH and SRRR

    Left rear wheel: SRLH and SRLR

    NOTE: Never depress the brake pedal under the condition that the reduction solenoid alone is turned ON as ABS ECU is reset.
  5. CLEAR DTC (See  PRE-CHECK  ) 
RENDER: 1.0x

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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.