Mute Signal Circuit between Navigation Assembly and Multi-display Controller

AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM (W/ Multi-display): 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 display and navigation assembly.
The mute signal is sent to reduce noise and a popping sound generated when switching the mode, etc.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK MULTI-DISPLAY CONTROLLER




(a) Measure the voltage according to the value(s) in the table below.
Standard voltage:






NG -- CHECK HARNESS AND CONNECTOR (DISPLAY AND NAVIGATION ASSEMBLY - MULTI-DISPLAY CONTROLLER)
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
2. CHECK HARNESS AND CONNECTOR (DISPLAY AND NAVIGATION ASSEMBLY - MULTI-DISPLAY CONTROLLER)




(a) Disconnect the L62 navigation connector.
(b) Disconnect the R32 controller connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE DISPLAY AND NAVIGATION ASSEMBLY