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Inspection Procedure

  1. INSPECT RADIO RECEIVER 
    1. Disconnect the radio receiver connector R2.
    2. Measure the resistance according to the value in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester connection Condition Specified condition
      GND - Body ground Always Below 1 Ω
    3. Measure the voltage according to the values in the table below.

    Standard voltage 

    VOLTAGE SPECIFICATION

    Tester connection Condition Specified condition
    B - GND Always 10 to 14 V
    ACC - GND Ignition switch in the ACC position 10 to 14 V

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 1: Identifying Radio Receiver Connector R2
    G05280617Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE