Navigation System (For Radio And Display Type) Vehicle Speed Signal Circuit Between Radio Receiver And Extension Module


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NAVIGATION ECU)

NAVIGATION SYSTEM (for Radio and Display Type) - Vehicle Speed Signal Circuit between Radio Receiver and Extension Module


DESCRIPTION

The navigation ECU receives a vehicle speed signal from the radio and display receiver assembly and information from the navigation antenna assembly, and then adjusts vehicle position.

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 Radio And Display Type) Vehicle Speed Signal Circuit Between Radio Receiver And Extension Module


INSPECTION PROCEDURE

1.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NAVIGATION ECU)

  1. Disconnect the z12 radio and display receiver assembly connector.

  1. Disconnect the z13 navigation ECU connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    z12-2 (SPDO) - z13-5 (SPD)
    		Always
    		Below 1 Ω
    z12-2 (SPDO) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (LandCruiser RM000005MAG00FX.html)