Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 208 (ANTI-LOCK BRAKE SYSTEM)DIAGNOSIS & TESTINGBRAKE ACTUATORNOTES
2004 Toyota Matrix XR, FWD, Standard
Brake Actuator: Notes
2004 Toyota Matrix XR, FWD, StandardSECTION Notes
WARNING: This page is about a different car, the 2003 Lexus LS 430, 2002 Lexus LS 430, and 2001 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Do not keep motor relay ON for more than 5 seconds continuously. When operating continuously, leave off more than 20 seconds. Never turn ON a solenoid which is not described. Refer to the LEXUS hand-held tester operator's manual for further details.
- Connect the hand-held tester to the DLC3. See Figure.
- Start the engine and run it at idle. Select the ACTIVE TEST mode on the hand-held tester.
- Test actuator motor operation. See ACTUATOR MOTOR OPERATION .
- Test wheel solenoid operation. See WHEEL SOLENOID OPERATION .
- Clear DTC. See CLEARING CODES under SELF-DIAGNOSTIC SYSTEM.
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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.