Navigation System Speaker Circuit (Navigation Voice)

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Navigation. Lexus Gs430, Gs300. Uzs190 Grs190

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK WIRE HARNESS (MULTI-DISPLAY - STEREO COMPONENT AMPLIFIER)

NAVIGATION SYSTEM - Speaker Circuit (Navigation Voice)


DESCRIPTION

This circuit is used when the voice guidance in the navigation system is on.

WIRING DIAGRAM


Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System Speaker Circuit (Navigation Voice)


INSPECTION PROCEDURE

1.CHECK WIRE HARNESS (MULTI-DISPLAY - STEREO COMPONENT AMPLIFIER)
Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System Speaker Circuit (Navigation Voice)

  1. Disconnect the L47 multi-display connector.

  1. Disconnect the V29 amplifier connector.

  1. Measure the resistance of the wire harness side connectors.

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Condition
    L47-22 (IVO+) - V29-23 (INT+)
    		Always
    		Below 1 Ω
    L47-21 (IVO-) - V29-22 (INT-)
    		Always
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK

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