NAVIGATION SYSTEM Display Signal Circuit between Navigation Receiver Assembly and Video Terminal

DESCRIPTION

This is the video signal circuit from the video (video adapter) terminal to the navigation ECU sub-assembly.

WIRING DIAGRAM

A01CD5IE03

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (VIDEO (VIDEO ADAPTER) TERMINAL - NAVIGATION ECU SUB-ASSEMBLY)


    1. Disconnect the N41 video (video adapter) terminal connector.

    2. Disconnect the F24 navigation ECU sub-assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F24-6 (VV+) - N41-5 (VV+) Always Below 1 Ω
      F24-14 (VV-) - N41-6 (VV-) Always Below 1 Ω
      F24-16 (ADPG) - N41-8 (ADPG) Always Below 1 Ω
      F24-6 (VV+) - Body ground Always 10 kΩ or higher
      F24-14 (VV-) - Body ground Always 10 kΩ or higher
      F24-16 (ADPG) - Body ground Always 10 kΩ or higher
      F24-13 (SG) - 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 Click here