Navigation System (For Navigation Receiver Type) Navigation Receiver Assembly Power Source Circuit


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - BATTERY AND BODY GROUND)

NAVIGATION SYSTEM (for Navigation Receiver Type) - Navigation Receiver Assembly Power Source Circuit


DESCRIPTION

This circuit provides power to the navigation receiver assembly.

WIRING DIAGRAM


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Navigation Multi Info Display.Navigation System (For Radio And Display Type).Navigation System (For Navigation Receiver Type)  Navigation Receiver Assembly Power Source Circuit


INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
1.CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - BATTERY AND BODY GROUND)


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Navigation Multi Info Display.Navigation System (For Radio And Display Type).Navigation System (For Navigation Receiver Type)  Navigation Receiver Assembly Power Source Circuit
  1. Disconnect the navigation receiver assembly connectors.

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

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    H54-7 (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
    H54-4 (+B1) - Body ground
    Always
    11 to 14 V
    H54-3 (ACC1) - Body ground
    Engine switch on (ACC)
    11 to 14 V
    H56-1 (IG) - Body ground
    Engine switch on (IG)
    11 to 14 V
Text in Illustration
*a
Front view of wire harness connector
(to Navigation Receiver Assembly)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (LandCruiser RM000005MAG00EX.html)