Mute Signal Circuit between Disc Player Controller and Multi-display Controller

AUDIO / VISUAL: REAR SEAT ENTERTAINMENT SYSTEM: Mute Signal Circuit between Disc Player Controller and Multi-display Controller

Mute Signal Circuit between Disc Player Controller and Multi-display Controller

DESCRIPTION

The multi-display controller controls the volume according to the mute signal from the disc player.
The mute signal is sent to reduce noise and a popping sound generated when switching the mode, etc.
HINT: Only vehicles with a disc player have this circuit.

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




(a) Disconnect the R16 player 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 -- Continue to next step.

3. CHECK MULTI-DISPLAY CONTROLLER




(a) Reconnect the R32 controller connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard voltage:






NG -- REPLACE MULTI-DISPLAY CONTROLLER
OK -- REPLACE DISC PLAYER