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Inspection Procedure

  1. INSPECT STEREO COMPONENT CONTROLLER ASSY (+B, ACC, GND) 
    1. Disconnect the stereo component controller assy connector R24.
    2. Measure the resistance according to the value(s) in STEREO COMPONENT CONTROLLER ASSY (+B, ACC, GND) RESISTANCE 

      Standard: 

      STEREO COMPONENT CONTROLLER ASSY (+B, ACC, GND) RESISTANCE

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

      Standard: 

    STEREO COMPONENT CONTROLLER ASSY (+B, ACC, GND) VOLTAGE

    Tester connection Condition Specified condition
    +B - GND Always 10 to 14 V
    ACC - GND Ignition SW ACC 10 to 14 V
    Fig 1: Disconnecting Stereo Component Controller Assy R24
    G02630290Courtesy 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  
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