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Home >> Lexus >> 2011 >> LS 460 AWD V8-4.6L (1UR-FSE) >> Repair and Diagnosis >> Accessories and Optional Equipment >> Navigation System >> Testing and Inspection >> Component Tests and General Diagnostics >> Navigation System (for HDD) >> Navigation ECU Power Source Circuit
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Navigation ECU Power Source Circuit





NAVIGATION: NAVIGATION SYSTEM (for HDD): Navigation ECU Power Source Circuit
- Navigation ECU Power Source Circuit

DESCRIPTION

This is the power source circuit to operate the display and display and navigation module display.

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (DISPLAY AND NAVIGATION MODULE DISPLAY - BATTERY AND BODY GROUND)

(a) Disconnect the L59 display and navigation module display connector.





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

Standard Resistance:





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

Standard Voltage:





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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