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 between the display and navigation module display and the multi-display controller sub-assembly.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK 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 (DISPLAY AND NAVIGATION MODULE DISPLAY - MULTI-DISPLAY CONTROLLER)

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

2. CHECK HARNESS AND CONNECTOR (DISPLAY AND NAVIGATION MODULE DISPLAY - MULTI-DISPLAY CONTROLLER)

(a) Disconnect the H2 display and navigation module display connector.

(b) Disconnect the H16 multi-display controller sub-assembly 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 DISPLAY AND NAVIGATION MODULE DISPLAY

(a) 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