Navigation System Multi-Display Power Source Circuit

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

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT MULTI-DISPLAY

NAVIGATION SYSTEM - Multi-display Power Source Circuit


DESCRIPTION

This is the power source circuit to operate the multi-display.

WIRING DIAGRAM


Lexus Is250, Is220D. Gse20 Ale20.Navigation.Navigation System.Navigation System Multi-Display Power Source Circuit


INSPECTION PROCEDURE

1.INSPECT MULTI-DISPLAY


    Lexus Is250, Is220D. Gse20 Ale20.Navigation.Navigation System.Navigation System Multi-Display Power Source Circuit

  1. Disconnect the multi-display connector J50.

  1. Measure the resistance according to the value(s) in the table below.

    Standard resistance:
    Tester connection
    		Condition
    		Specified condition
    GND1 - Body ground
    		Always
    		Below 1 Ω

  1. Measure the voltage according to the value(s) in the table below.

    Standard voltage:
    Tester connection
    		Condition
    		Specified condition
    +B1 - GND1
    		Always
    		10 to 14 V
    ACC - GND1
    		Engine switch on (ACC)
    		10 to 14 V
    IG - GND1
    		Engine switch on (IG)
    		10 to 14 V


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE