Visual Mute Signal Circuit Between Navigation ECU and Multi-Display Controller

AUDIO / VIDEO: REAR SEAT ENTERTAINMENT SYSTEM: Visual Mute Signal Circuit between Navigation ECU and Multi-display Controller
- Visual Mute Signal Circuit between Navigation ECU and Multi-display Controller

DESCRIPTION

This is the visual mute signal circuit from the display and navigation module display to the multi-display controller sub-assembly.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. INSPECT DISPLAY AND NAVIGATION MODULE DISPLAY

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

Standard Voltage:

Text in Illustration

NG -- CHECK HARNESS AND CONNECTOR

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table

2. CHECK HARNESS AND CONNECTOR

(a) Disconnect the display and navigation module display connector.

(b) Disconnect the multi-display controller sub-assembly connector.

Text in Illustration

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

3. INSPECT DISPLAY AND NAVIGATION MODULE DISPLAY

(a) Reconnect the display and navigation module display connector.

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Text in Illustration

NG -- REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY Removal

OK -- REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY Removal