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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 695 (NAVIGATION SYSTEM - DIAGNOSTICS)SPEAKER CIRCUIT (NAVIGATION VOICE)INSPECTION 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 Solara. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK VEHICLE TYPE 
    1. Choose type to be inspected.
    VEHICLE

    Type Proceed to
    Coupe A
    Convertible B
    1. B: Go to step   8 
    2. A: Go to Next Step. 
  2. INSPECT SYSTEM 
    1. Check the system.
      1. Check if sound is heard from speakers.
    SYMPTOM

    Symptom Proceed to
    No sound is heard from front No.1 speaker assy A
    No sound is heard from front No.2 speaker assy B
    No sound is heard from both speakers C
    1. B: Go to step   5 
    2. C: Go to step   7 
    3. A: Go to Next Step. 
  3. INSPECT FRONT NO.1 SPEAKER ASSY 
    1. Disconnect the speaker connector.
    2. Resistance check
      1. Measure the resistance between the terminals of the speaker.
      NOTE: The speaker should not be removed for checking. 

      Standard: 3 to 4 Ω 

    1. NG: REPLACE FRONT NO.1 SPEAKER ASSY (SEE  REPLACEMENT  ) 
    2. OK: Go to Next Step. 
  4. CHECK HARNESS AND CONNECTOR (FRONT NO.1 SPEAKER ASSY - STEREO COMPONENT AMPLIFIER ASSY) 
    1. Disconnect the stereo component amplifier assy connector S10.
      Fig 1: Disconnecting Stereo Component Amplifier Connector
      G03049643Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in SPECIFIED CONDITION  .

      Standard: 

      SPECIFIED CONDITION

      Tester connection Condition Specified condition
      F6-1 - FL+ Always Below 1 Ω
      F6-2 - FL- Always Below 1 Ω
      F6-1 - Body ground Always 10 kΩ or higher
      F6-2 - Body ground Always 10 kΩ or higher
      Fig 2: Measuring Resistance Of Stereo Component Amplifier
      G03049642Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: REPLACE STEREO COMPONENT AMPLIFIER ASSY (SEE  REPLACEMENT  ) 
  5. INSPECT FRONT NO.2 SPEAKER ASSY 
    1. Inspect by changing the right one with the left one, and vice versa.

      OK: Malfunction disappears. 

    HINT:

    Connect all connectors of the speakers.

    1. OK: REPLACE FRONT NO.2 SPEAKER ASSY (SEE  REPLACEMENT  ) 
    2. NG: Go to Next Step. 
  6. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSY - FRONT NO.2 SPEAKER ASSY) 
    1. Disconnect the connectors from the stereo component amplifier assy S10 and front No.2 speaker assy T7.
      Fig 3: Disconnecting Connectors From Stereo Component Amplifier Assy
      G03049645Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in SPECIFIED CONDITION  .

      Standard: 

      SPECIFIED CONDITION

      Tester connection Condition Specified condition
      T7-1 - TWL+ Always Below 1 Ω
      T7-2 - TWL- Always Below 1 Ω
      T7-1 - Body ground Always 10 kΩ or higher
      T7-2 - Body ground Always 10 kΩ or higher
      Fig 4: Measuring Resistance Of Stereo Component Amplifier Assy
      G03049644Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: REPLACE STEREO COMPONENT AMPLIFIER ASSY (SEE  REPLACEMENT  ) 
  7. CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSY - STEREO COMPONENT AMPLIFIER ASSY) 
    1. Disconnect the connectors from the radio and navigation assy R6 and stereo component amplifier assy S11.
    2. Measure the resistance according to the value(s) in SPECIFIED CONDITION  .

      Standard: 

      SPECIFIED CONDITION

      Tester connection Condition Specified condition
      IVO+ - INT+ Always Below 1 Ω
      IVO- - INT- Always Below 1 Ω
      IVO+ - Body ground Always 10 kΩ or higher
      IVO- - Body ground Always 10 kΩ or higher
      SLD1 - Body ground Always 10 kΩ or higher
      Fig 5: Identifying Radio & Navigation Assy
      G03049646Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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.