FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Mute Signal Circuit Between Navigation Assembly and Multi-Display Controller

Mute Signal Circuit between Navigation Assembly and Multi-display Controller

DESCRIPTION
The multi-display controller controls the volume according to the mute signal from the radio and navigation assembly.

The mute signal is sent to reduce noise and a popping sound generated when switching the mode, etc.

HINT: Only vehicles with a navigation system (for HDD) have this circuit.

Wiring Diagram:






Step 1:




Step 2-3:




INSPECTION PROCEDURE