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Inspection Procedure

  1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - SATELLITE RADIO TUNER) 
    1. Disconnect the F24 receiver connector.
    2. Disconnect the L37 tuner connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      F24-2 (CDR+) - L37-2 (FRO+) Always Below 1 Ω
      F24-3 (CDR-) - L37-3 (FRO-) Always Below 1 Ω
      F24-4 (CDL+) - L37-4 (FLO+) Always Below 1 Ω
      F24-5 (CDL-) - L37-5 (FLO-) Always Below 1 Ω
      F24-6 (MUTE) - L37-6 (MUTE) Always Below 1 Ω
      L37-1 (SLD) - Body ground Always 10 kΩ or higher
      F24-6 (MUTE) - Body ground Always 10 kΩ or higher
      F24-2 (CDR+) - Body ground Always 10 kΩ or higher
      F24-3 (CDR-) - Body ground Always 10 kΩ or higher
      F24-4 (CDL+) - Body ground Always 10 kΩ or higher
      F24-5 (CDL-) - Body ground Always 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 1: Identifying Radio Receiver And Satellite Radio Tuner Connector Terminals
    G05763417Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to Next Step 

  2. CHECK HARNESS AND CONNECTOR (SATELLITE RADIO TUNER - DISPLAY AND NAVIGATION MODULE DISPLAY) 
    1. Disconnect the L39 tuner connector.
    2. Disconnect the F34 display connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      L39-15 (MUT2) - F34-8 (MUTE) Always Below 1 Ω
      L39-8 (FLI+) - F34-3 (FL+) Always Below 1 Ω
      L39-7 (FLI-) - F34-4 (FL-) Always Below 1 Ω
      L39-10 (FRI+) - F34-1 (FR+) Always Below 1 Ω
      L39-9 (FRI-) - F34-2 (FR-) Always Below 1 Ω
      F34-5 (SLD1) - Body ground Always 10 kΩ or higher
      L39-15 (MUT2) - Body ground Always 10 kΩ or higher
      L39-8 (FLI+) - Body ground Always 10 kΩ or higher
      L39-7 (FLI-) - Body ground Always 10 kΩ or higher
      L39-10 (FRI+) - Body ground Always 10 kΩ or higher
      L39-9 (FRI-) - Body ground Always 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 2: Identifying Satellite Radio Tuner And Display And Navigation Module Display Connector Terminals
    G05763418Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

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