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Inspection Procedure

  1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - TELEVISION DISPLAY ASSEMBLY) 
    1. Disconnect the connectors from the television display assembly and radio receiver.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      CDR+ - R+ Always Below 1 Ω
      CDR- - R- Always Below 1 Ω
      CDL+ - L+ Always Below 1 Ω
      CDL- - L- Always Below 1 Ω
      CSLD - SG1 Always Below 1 Ω
      R- - Body ground Always 10 kΩ or higher
      L+ - Body ground Always 10 kΩ or higher
      L- - Body ground Always 10 kΩ or higher
      R+ - Body ground Always 10 kΩ or higher
      SG1 - Body ground Always 10 kΩ or higher
      Fig 1: Identifying Radio Receiver And Television Display Assembly Connector Terminals
      G05141077Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to Next Step 

  2. INSPECT TELEVISION DISPLAY ASSEMBLY 
    1. Reconnect the television display assembly connector.
    2. Fig 2: Identifying Television Display Assembly Connector Terminals
      G05141078Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check the waveform according to the conditions shown in the table below.

      Standard 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester connection Condition Specified condition
      R+ - Body ground Voice sound is being produced A waveform synchronized with sound is output
      R- - Body ground Voice sound is being produced A waveform synchronized with sound is output
      L+ - Body ground Voice sound is being produced A waveform synchronized with sound is output
      L- - Body ground Voice sound is being produced A waveform synchronized with sound is output

    NG: REPLACE TELEVISION DISPLAY ASSEMBLY 

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