DVD Image Signal Circuit between Navigation ECU and Multi-display

NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: DVD Image Signal Circuit between Navigation ECU and Multi-display
- DVD Image Signal Circuit between Navigation ECU and Multi-display

DESCRIPTION

This circuit sends a DVD image signal from the display and navigation module display to the multi-display.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR

(a) Disconnect the F31 display and navigation module display connector.

(b) Disconnect the F37 multi-media module wire 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.

2. INSPECT MULTI-MEDIA MODULE WIRE

(a) Disconnect the F37 multi-media module wire connector.

(b) Disconnect the DC1 multi-media module wire connector.

Text in Illustration

NG -- REPLACE MULTI-MEDIA MODULE WIRE Disassembly
OK -- Continue to next step.

3. INSPECT DISPLAY AND NAVIGATION MODULE DISPLAY (DVD IMAGE SIGNAL)

(a) Reconnect the F31 display and navigation module display connector.

(b) Check the waveform according to the table below.

(c) Oscilloscope waveform

HINT
The video waveform changes according to the image output from the display and navigation module display to the multi-display, but the synchronization signal does not change.

Text in Illustration

NG -- REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY Removal

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