NAVIGATION SYSTEM (for HDD) TC Terminal Circuit

DESCRIPTION

The display and navigation module display is connected to the DLC3 by the vehicle wire harness.

Tech Tips

If there is a short circuit to ground in the wire between the display and navigation module display and DLC3, the diagnosis mode screen will be displayed on the multi-display immediately after the engine switch is turned on (ACC).

WIRING DIAGRAM

A0162FOE13

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR


    1. Disconnect the J122 display and navigation module display connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J122-9 (TC) - 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