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Inspection Procedure

  1. INSPECT TELEVISION DISPLAY ASSEMBLY 
    1. Disconnect the R19 display connector.
      Fig 1: Identifying Television Display Assembly Connector Terminal
      G04953973Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      R19-16 (GND)-Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Switch Condition Specified Condition
      R19-14 (+B) - Body ground Always 11 to 14 V
      R19-29(ACC)-Body ground Engine switch on (ACC) 11 to 14 V

    NG: Go to step 2 

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

  2. CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY - MULTI-DISPLAY CONTROLLER) 
    1. Disconnect the R19 display connector.
    2. Disconnect the R30 controller connector.
      Fig 2: Identifying Television Display And Multi-Display Controller Connector Terminal
      G04953974Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      R19-14(+B)-R30-2(+B1) Always Below 1 Ω
      R19-29 (ACC) - R30-7 (ACC1) Always Below 1 Ω
      R19-16(GND)-R30-11 (GND1) Always Below 1 Ω
      R19-14 (+B) - Body ground Always 10 kΩ or higher
      R19-29 (ACC) - Body ground Always 10 kΩ or higher
      R19-16(GND) -Body ground Always 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE MULTI-DISPLAY CONTROLLER (See  REMOVAL   )