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Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT STEREO COMPONENT AMPLIFIER ASSY (B+, B2+, ACC, GND, GND2) 
    1. Disconnect the stereo component amplifier assy connectors S10 and S11.
    2. Measure the resistance according to the value(s) in STEREO COMPONENT AMPLIFIER ASSY (B+, B2+, ACC, GND, GND2) RESISTANCE 

      Standard: 

      STEREO COMPONENT AMPLIFIER ASSY (B+, B2+, ACC, GND, GND2) RESISTANCE

      Tester connection Condition Specified condition
      GND - Body ground Always Below 1 Ω
      GND2 - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in STEREO COMPONENT AMPLIFIER ASSY (B+, B2+, ACC, GND, GND2) VOLTAGE 

      Standard: 

    STEREO COMPONENT AMPLIFIER ASSY (B+, B2+, ACC, GND, GND2) VOLTAGE

    Tester connection Condition Specified condition
    B+ - GND Always 10 to 14 V
    B2+ - GND Always 10 to 14 V
    ACC - GND Ignition SW ACC 10 to 14 V
    Fig 1: Disconnecting Stereo Component Amplifier Assy Connectors S10 & S11
    G02630288Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE   OR  DIAGNOSTIC TROUBLE CODE TABLE