Navigation System Display Signal Circuit Between Navigation Ecu And Multi-Display

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

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (NAVIGATION ECU - MULTI-DISPLAY)

NAVIGATION SYSTEM - Display Signal Circuit between Navigation ECU and Multi-display


DESCRIPTION

This is the display signal circuit from the navigation ECU to the multi-display.

WIRING DIAGRAM


Lexus Is250, Is220D. Gse20 Ale20.Navigation.Navigation System.Navigation System Display Signal Circuit Between Navigation Ecu And Multi-Display


INSPECTION PROCEDURE

1.CHECK HARNESS AND CONNECTOR (NAVIGATION ECU - MULTI-DISPLAY)


    Lexus Is250, Is220D. Gse20 Ale20.Navigation.Navigation System.Navigation System Display Signal Circuit Between Navigation Ecu And Multi-Display

  1. Disconnect the navigation ECU connector q2 and multi-display connector q1.

  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
    GVI+ - Body ground
    		Always
    		10 kΩ or higher
    GVI- - 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