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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 625 (AUDIO & VISUAL SYSTEM - DIAGNOSTICS)NOISE OCCURSINSPECTION PROCEDURE
2004 Toyota Matrix XR, FWD, Standard

Inspection Procedure

2004 Toyota Matrix XR, FWD, StandardSECTION Inspection Procedure
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. CHECK OF SPEAKER INSTALLATION 
    1. Check speaker installation condition.
      1. Check that each speaker is securely installed.

        Standard: malfunction disappear. 

    HINT:

    The radio is equipped with noise prevention system that does not work against the regular use of the radio, thereby excessively large noise cannot occur in the radio. If large noise occurs, check whether or not the earth on the antenna installation part and the proper noise-prevention equipment are all installed, and whether or not the improper wiring is held.

    CONDITION

    Condition in which noise occurs Noise type
    Depressing the acceleration pedal increases noise, and stopping the engine erases the noise immediately. Alternator noise
    Noise occurs during the A/C or the heater operation. Blower motor noise
    Rapid acceleration during the drive on the unpaved road or after the IG switch is turned ON makes noise. Fuel pump noise
    Pressing and then releasing the horn switch, and keeping pressing the horn switch makes noise. Horn noise
    Stopping the engine erases the small noise that has been heard. Ignition noise
    Noise occurs in turn with the blink of the turn signal flash. Flasher noise
    Noise occurs during the window washer operation. Washer noise
    Noise occurs during the engine running, and it continues to occur after the engine is stopped. Water temperature sensor noise
    Noise occurs during the wiper operation. Wiper noise
    Noise occurs when the brake pedal is depressed. Stop light switch noise
    Others. Static electricity on the vehicle

    HINT:

    • Identify the condition under which the noise occurs, and check the noise filter on the related part.
    • Make sure first that there is no noise from outside. Failing to do so makes the noise occurrence source detection impossible and leads to misunderstanding.
    • The noise should be removed in descending order of loudness.
    1. NG: INSTALL IT PROPERLY 
    2. OK: IDENTIFICATION OF NOISE SOURCE 
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.