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Home >> Lexus >> 2009 >> IS 250 AWD V6-2.5L (4GR-FSE) >> Repair and Diagnosis >> Accessories and Optional Equipment >> Navigation System >> Testing and Inspection >> Component Tests and General Diagnostics >> Navigation Voice Speaker Circuit
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Navigation Voice Speaker Circuit








NAVIGATION: NAVIGATION SYSTEM: Navigation Voice Speaker Circuit

Navigation Voice Speaker Circuit

DESCRIPTION

This circuit is used when the voice guidance in the navigation system is on.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - NAVIGATION ECU)




(a) Disconnect the multi-display connector p1 and the navigation ECU connector p2.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - STEREO COMPONENT AMPLIFIER)




(a) Disconnect the multi-display connector J51 and stereo component amplifier connector P30.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
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