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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 554 (AUDIO & VISUAL SYSTEM - DIAGNOSTICS)CIRCUIT INSPECTION6. 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 2003 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check of speaker installation. 

    PREPARATION:

    Check speaker installation condition.

    CHECK:

    Check that each speaker is securely installed.

    OK:

    1. Malfunction disappear 

    NOTE:
    • Noise coming into the radio usually has no harm for daily use as the noise protection is taken, and it is very rare for an extremely loud noise to come in. When extremely loud noise comes into the radio, check if the grounding is normal where the antenna is installed.
    • Check if all the regular noise prevention parts are properly installed, and if there is any installation of non-authorized parts and non-authorized wiring.
    SPEAKER NOISE TYPE

    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 Releasing The Horn Switch, Or 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
    NOTE:
    • 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. Failure to do so makes it impossible to detect the noise source and leads to misunderstanding.
    • Check and solve the noise 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.