DVD Image Signal Circuit Between Radio Receiver and Navigation ECU

NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: 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

NOTICE:
After replacing the radio receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, registration of the XM radio ID is necessary.

PROCEDURE

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

(a) Disconnect the F41 radio receiver assembly connector.

(b) Disconnect the F49 display and navigation module display 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 RADIO RECEIVER ASSEMBLY (DVD IMAGE SIGNAL)

(a) Reconnect the F41 radio receiver assembly connector.

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





Oscilloscope Waveform





HINT
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 Symptom Related Diagnostic Procedures