DVD Image Signal Circuit between Radio Receiver and Navigation ECU

NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for DVD): DVD Image Signal Circuit between Radio Receiver and Navigation ECU
- DVD Image Signal Circuit between Radio Receiver and Navigation ECU

DESCRIPTION

This circuit sends a DVD image signal from the radio receiver assembly to the display and navigation module display.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR

(a) Disconnect the radio receiver assembly connector.





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





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

Standard Resistance:





Text in Illustration





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

2. INSPECT RADIO RECEIVER ASSEMBLY

(a) Reconnect the radio receiver assembly connector.





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





Oscilloscope Waveform





NOTICE:
The video waveform changes according to the image output from the radio receiver assembly to the display and navigation module display, but the synchronization signal does not change.

Text in Illustration





NG -- REPLACE RADIO RECEIVER ASSEMBLY Removal

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