Navigation System - Display Signal Circuit Between Navigation Ecu And Television Camera Ecu

Lexus IS250 IS220d GSE20 ALE20 - NAVIGATION

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (NAVIGATION ECU - TELEVISION CAMERA ECU)

NAVIGATION SYSTEM - Display Signal Circuit between Navigation ECU and Television Camera ECU

DESCRIPTION

This is the display signal circuit from the navigation ECU to the television camera ECU.


WIRING DIAGRAM

Navigation System - Display Signal Circuit Between Navigation Ecu And Television Camera Ecu. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

INSPECTION PROCEDURE

1.CHECK HARNESS AND CONNECTOR (NAVIGATION ECU - TELEVISION CAMERA ECU)
Navigation System - Display Signal Circuit Between Navigation Ecu And Television Camera Ecu. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Disconnect the navigation ECU connector q2 and television camera ECU connector q3.

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

  • Standard resistance:
  • Tester connectionConditionSpecified condition
    GVI+ - GVI+AlwaysBelow 1 Ω
    GVI- - GVI-AlwaysBelow 1 Ω
    GND - GVG1AlwaysBelow 1 Ω
    GVIF- - Body groundAlways10 kΩ or higher
    GVIF+ - Body groundAlways10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE