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Display Signal Circuit between Navigation ECU and Multi-display: Wiring Diagram

Fig 1: Navigation ECU And Multi-Display Display Signal Circuit - Wiring Diagram
G04050495Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. CHECK HARNESS AND CONNECTOR (NAVIGATION ECU - MULTI-DISPLAY) 
    1. Disconnect the navigation ECU connector q1 and multi-display connector q1.
    2. Measure the resistance according to the value(s) in the table below.
      STANDARD RESISTANCE

      Tester connection Condition Specified condition
      GVI+ - GVI+ Always Below 1 Ω
      GVI- - GVI- Always Below 1 Ω
      GVG1 - GND Always Below 1 Ω
      GVI+ - Body ground Always 10 kΩ or higher
      GVI- - Body ground Always 10 kΩ or higher
      Fig 2: Identifying Navigation ECU Connector Q1 And Multi-Display Connector Q1
      G04050496Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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

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