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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1029 (ANTI-LOCK BRAKE SYSTEM)BRAKE ACTUATOR ASSYREPLACEMENT
2004 Toyota Matrix XR, FWD, Standard

Brake Actuator ASSY: Replacement

2004 Toyota Matrix XR, FWD, StandardSECTION Replacement
WARNING: This page is about a different car, the 2004 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE FR WIPER ARM LH (SEE  WINDSHIELD WIPER MOTOR ASSY  ) 
  2. REMOVE FR WIPER ARM RH (SEE  WINDSHIELD WIPER MOTOR ASSY  ) 
  3. REMOVE HOOD TO COWL TOP SEAL (SEE  WINDSHIELD WIPER MOTOR ASSY  ) 
  4. REMOVE COWL TOP VENTILATOR LOUVER LH (SEE  WINDSHIELD WIPER MOTOR ASSY  ) 
  5. REMOVE COWL TOP VENTILATOR LOUVER RH (SEE  WINDSHIELD WIPER MOTOR ASSY  ) 
  6. REMOVE WINDSHIELD WIPER MOTOR & LINK ASSY (SEE  WINDSHIELD WIPER MOTOR ASSY  ) 
  7. PERFORM ACCUMULATOR PRESSURE DOWN 
    NOTE: Carry out accumulator zero down and lower the internal pressure before removing the brake actuator.
    1. Move the shift lever to the P position. Apply the parking brake and connect the hand-held tester to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn on the hand-held tester. Select "ZERO DOWN".
      NOTE: Keep the fluid inside the reservoir above the "LOW" level by replenishing.

      HINT:

      • Accumulator pressure is released and accumulated repeatedly, which circulates the fluid inside the accumulator when performing this procedure.
      • The pump motor rotates and the accumulator is pressurized every time turning the power switch from off to on (IG).
    4. Turn the power switch off.
  8. BRAKE CONTROL (ECB) OFF 
    NOTE:
    • Prohibit the brake control (ECB) certainly before air bleeding.
    • Be sure to remove the motor relays No.1 and No.2 first, then the brake actuator.
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.