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Inspection Procedure

  1. CHECK HARNESS AND CONNECTOR (NAVIGATION ECU - MULTI-DISPLAY) 
    1. Disconnect the navigation ECU connector and multi-display connector.
    2. Measure the resistance according to the value(s) in the table below.

    Standard resistance 

    RESISTANCE SPECIFICATION

    Tester connection Condition Specified condition
    GVIF - GVIF Always Below 1 Ω
    GVIF- - GVI- Always Below 1 Ω
    GVG - GND2 Always Below 1 Ω
    GVI+ - Body ground Always 10 kΩ or higher
    GVI- - Body ground Always 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 1: Disconnecting Navigation ECU Connector And Multi-Display Connector
    G05280949Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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

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