DVD Image Signal Circuit Between Navigation ECU and Multi-display

NAVIGATION: NAVIGATION SYSTEM (for HDD): 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 assembly.

WIRING DIAGRAM





INSEPCTION PROCEDURE

PROCEDURE

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

(a) Disconnect the D25 display and navigation module display connector.

(b) Disconnect the M9 multi display 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.

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

(a) Reconnect the D25 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 assembly, 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