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Inspection Procedure

  1. CHECK HARNESS AND CONNECTOR (VIDEO TERMINAL - MULTI-DISPLAY CONTROLLER) 
    1. Disconnect the L78*1 or Y3*2 terminal connector.
    2. Disconnect the R31 controller connector.
    3. Measure the resistance according to the value (s) in the table below.

      Standard resistance: 

      w/o Ottoman 

      STANDARD RESISTANCE SPECIFICATION

      Tester Connection Condition Specified Condition
      L78-1 (VAR+) - R31-7 (TVR+) Always Below 1 Ω
      L78-2 (VAL+) - R31-9 (TVL+) Always Below 1 Ω
      L78-3 (VA-) - R31-11 (SLDE) Always Below 1 Ω
      L78-8 (ADPG) - R31-6 (ADPI) Always Below 1 Ω
      R31-7 (TVR+) - Body ground Always 10 kΩ or higher
      R31-9 (TVL+) - Body ground Always 10 kΩ or higher
      R31-11 (SLDE) - Body ground Always 10 kΩ or higher
      R31-6 (APDI) - Body ground Always 10 kΩ or higher
      Fig 1: Identifying Video Terminal And Multi-Display Controller Connector
      G06189500Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      w/ Ottoman 

      STANDARD RESISTANCE SPECIFICATION

      Tester Connection Condition Specified Condition
      Y3-1 (VAR+) - R31-7 (TVR+) Always Below 1 Ω
      Y3-2 (VAL+) - R31-9 (TVL+) Always Below 1 Ω
      Y3-3 (VA-) - R31-11 (SLDE) Always Below 1 Ω
      Y3-8 (ADPG) - R31-6 (ADPI) Always Below 1 Ω
      R31-7 (TVR+) - Body ground Always 10 kΩ or higher
      R31-9 (TVL+) - Body ground Always 10 kΩ or higher
      R31-11 (SLDE) - Body ground Always 10 kΩ or higher
      R31-6 (APDI) - Body ground Always 10 kΩ or higher

      NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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