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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 694 (AUDIO SYSTEM - DIAGNOSTICS)POWER SOURCE CIRCUIT (RADIO RECEIVER ASSY)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. INSPECT RADIO RECEIVER ASSY 
    1. Disconnect the radio receiver assy R3 or R7 connector.
    2. Measure the resistance according to the values in the table below.

      Standard: 

      SPECIFIED CONDITION

      Tester connection Condition Specified condition
      GND (R7-20) - Body ground (1) Always Below 1 Ω
      GND (R3-7) - Body ground (2) Always Below 1 Ω
      (1) Separate Type Amplifier
      (2) Built-in Type Amplifier
    3. Measure the voltage according to the values in the table below.

      Standard: 

      SPECIFIED CONDITION

      Tester connection Condition Specified condition
      +B (R7-1) - GND (R7-20) (1) Always 10 to 14 V
      +B (R3-4) - GND (R3-7) (2) Always 10 to 14 V
      ACC+B (R7-11) - GND (R7-20) (1) Ignition SW ACC 10 to 14 V
      ACC (R3-3) - GND (R3-7) (2) Ignition SW ACC 10 to 14 V
      (1) Separate Type Amplifier
      (2) Built-in Type Amplifier
      Fig 1: Inspecting Radio Receiver Assy
      G03049446Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (RADIO RECEIVER ASSY - BATTERY OR BODY GROUND) 
    2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE (SEE  PROBLEM SYMPTOMS TABLE  ) 
RENDER: 1.0x

NO RELATED

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