Navigation System Display Signal Circuit Between Navigation Ecu And Television Camera Ecu

Body Electrical. Lexus Is250, Is220D. Gse20 Ale20
Navigation. Lexus Is250, Is220D. Gse20 Ale20

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (NAVIGATION ECU - TELEVISION CAMERA ECU)

NAVIGATION SYSTEM - Display Signal Circuit between Navigation ECU and Television Camera ECU


DESCRIPTION

This is the display signal circuit from the navigation ECU to the television camera ECU.

WIRING DIAGRAM


Lexus Is250, Is220D. Gse20 Ale20.Navigation.Navigation System.Navigation System Display Signal Circuit Between Navigation Ecu And Television Camera Ecu


INSPECTION PROCEDURE

1.CHECK HARNESS AND CONNECTOR (NAVIGATION ECU - TELEVISION CAMERA ECU)


    Lexus Is250, Is220D. Gse20 Ale20.Navigation.Navigation System.Navigation System Display Signal Circuit Between Navigation Ecu And Television Camera Ecu

  1. Disconnect the navigation ECU connector q2 and television camera ECU connector q3.

  1. 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
    GND - GVG1
    		Always
    		Below 1 Ω
    GVIF- - Body ground
    		Always
    		10 kΩ or higher
    GVIF+ - 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