Visual Mute Signal Circuit Between Navigation ECU and Television Display

AUDIO / VISUAL: REAR SEAT ENTERTAINMENT SYSTEM: Visual Mute Signal Circuit between Navigation ECU and Television Display
- Visual Mute Signal Circuit between Navigation ECU and Television Display

DESCRIPTION

This is the visual mute signal circuit from the display and navigation module display to the television display assembly.

WIRING DIAGRAM









INSPECTION PROCEDURE

PROCEDURE

1. CHECK TELEVISION DISPLAY ASSEMBLY

(a) for 4-Passenger with Ottoman:

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





Standard Voltage:





Text in Illustration





(b) except 4-Passenger with Ottoman:

(1) 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 - TELEVISION DISPLAY)

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

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

(a) for 4-Passenger with Ottoman:

(1) Disconnect the L134 display and navigation module display connector.

(2) Disconnect the R89 television display assembly connector.

(3) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





(b) except 4-Passenger with Ottoman:

(1) Disconnect the L134 display and navigation module display connector.

(2) Disconnect the R78 television display assembly connector.

(3) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





Result





C -- REPAIR OR REPLACE HARNESS OR CONNECTOR

B -- REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY Removal

A -- REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY Service and Repair