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Inspection Procedure

NOTE: After replacing the satellite radio tuner of vehicles subscribed to pay-type satellite radio broadcasts, ID registration is necessary.
  1. CHECK HARNESS AND CONNECTOR (DISPLAY AND NAVIGATION MODULE DISPLAY RADIO RECEIVER AND SATELLITE RADIO TUNER) 
    Fig 1: Identifying Display And Navigation Module Display And Radio Receiver And Satellite Radio Tuner Connector Terminals
    G05763348Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the F35 display connector.
    2. Disconnect the F24 receiver connector.
    3. Disconnect the L38 tuner connector.
    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      F35-3 (TXI+) - F24-2 (TXO+) Always Below 1 Ω.
      F35-6 (TXI-) - F24-5 (TXO-) Always Below 1 Ω
      F35-2 (TXO+) - L38-3 (TXI+) Always Below 1 Ω
      F35-5 (TXO-) - L38-6 (TXI-) Always Below 1 Ω
      L38-2 (TXO+) - F24-3 (TXI+) Always Below 1 Ω
      L38-5 (TXO-) - F24-6 (TXI-) Always Below 1 Ω
      F35-3 (TXI+) - Body ground Always 10 kΩ or higher
      F35-6 (TXI-) - Body ground Always 10 kΩ or higher
      F35-2 (TXO+) - Body ground Always 10 kΩ or higher
      F35-5 (TXO-) - Body ground Always 10 kΩ or higher
      L38-2 (TXO+) - Body ground Always 10 kΩ or higher
      L38-5 (TXO-) - Body ground Always 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to Next Step 

  2. INSPECT RADIO RECEIVER ASSEMBLY 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      2 (TXO+) - 3 (TXI+) Always 0.15 to 0.6 Vpp
      5(TXO-) - 6(TXI-) Always 0.15 to 0.6 Vpp

    NG: REPLACE RADIO RECEIVER ASSEMBLY  (See REMOVAL )

    Fig 2: Identifying Radio Receiver Assembly Connector Terminals
    G05763349Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to Next Step 

  3. INSPECT SATELLITE RADIO TUNER 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      2 (TXO+) - 3 (TXI+) Always 0.15 to 0.6 Vpp
      5 (TXO-) - 6 (TXI-) Always 0.15 to 0.6 Vpp

    NG: REPLACE SATELLITE RADIO TUNER ASSEMBLY  (See SATELLITE RADIO TUNER )

    Fig 3: Identifying Satellite Radio Tuner Connector Terminals
    G05763350Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to Next Step 

  4. INSPECT DISPLAY AND NAVIGATION MODULE DISPLAY 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      2 (TXO+) - 3 (TXI+) Always 0.15 to 0.6 Vpp
      5 (TXO-) - 6 (TXI-) Always 0.15 to 0.6 Vpp

    NG: REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY  (See REMOVAL  )

    Fig 4: Identifying Display And Navigation Module Display Connector Terminals
    G05763351Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

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