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Home >> Lexus >> 2005 >> SC 430 V8-4.3L (3UZ-FE) >> Repair and Diagnosis >> Accessories and Optional Equipment >> Navigation System >> Testing and Inspection >> Component Tests and General Diagnostics >> Microphone Circuit (Multi-Display-Navigation ECU)

Microphone Circuit (Multi-Display-Navigation ECU)

MICROPHONE CIRCUIT (MULTI-DISPLAY - NAVIGATION ECU)

CIRCUIT DESCRIPTION

This circuit sends a microphone signal from the multi-display to the navigation ECU.

Wiring Diagram:






Step 1:




Step 2:




INSPECTION PROCEDURE
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