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Home >> Lexus >> 2012 >> IS 250C V6-2.5L (4GR-FSE) >> Repair and Diagnosis >> Accessories and Optional Equipment >> Navigation System >> Testing and Inspection >> Component Tests and General Diagnostics >> Navigation System (for HDD) >> TC Terminal Circuit
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TC Terminal Circuit





NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HDD): TC Terminal Circuit
- TC Terminal Circuit

DESCRIPTION

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

HINT
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





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR

(a) Disconnect the J50 display and navigation module display connector.





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

Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table
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