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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 694 (AUDIO SYSTEM - DIAGNOSTICS)RADIO BROADCAST CANNOT BE RECEIVED (BAD RECEPTION)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 IF RADIO AUTO-SEARCH FUNCTIONS PROPERLY 
    1. Check if the radio auto-search functions properly.
      1. Perform the auto-search of the radio and check that it functions normally.

      OK: The radio auto-search functions properly. 

    1. OK: REPLACE RADIO RECEIVER ASSY (SEE  REPLACEMENT  ) 
    2. NG: Go to Next Step. 
  2. CHECK OPTIONAL COMPONENT 
    1. Check optional component (sun shade film, telephone antenna, etc.).
      1. Check whether or not any optional component such as the sun shade film and the telephone antenna is installed.

      OK: Optional component is installed. 

    1. OK: EFFECT FROM OPTIONAL COMPONENT 
    2. NG: Go to Next Step. 
  3. INSPECT RADIO RECEIVER ASSY (ANTENNA) 
    1. Preparation for Check
      1. Remove the antenna plug of the radio receiver assembly.
    2. Noise Check
      1. With the radio receiver assy connector connected, turn the ignition switch to the ACC position.
      2. Turn on the radio and choose the AM mode.
      3. Place a screwdriver or a piece of metal such as thin wire on an antenna jack of the radio receiver assy and check that the noise is heard from the speaker.
      Fig 1: Placing Screwdriver Or Piece Of Metal To Check Noise Is Heard From Speaker
      G03049479Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. OK: Noise occurs. 
    1. NG: REPLACE RADIO RECEIVER ASSY (SEE  REPLACEMENT  ) 
    2. OK: Go to Next Step. 
  4. CHECK ANTENNA TYPE 
    1. Choose type to be inspected.
    SPECIFIED CONDITION

    Type Go to step
    Glass printed type antenna A
    Roof type antenna B
    1. B: Go to step   8 
    2. A: Go to Next Step. 
  5. CHECK ANTENNA ASSY 
    1. Check for continuity of the antenna.

      HINT:

      Check the continuity at the center of each antenna wire as shown in Fig 3 .

      Fig 2: Checking Continuity At Center Each Antenna Wire
      G03049480Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
RENDER: 1.0x

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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.