DVD Image Signal Circuit Between Radio Receiver and Navigation ECU

NAVIGATION: NAVIGATION SYSTEM (for HDD): 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 (RADIO RECEIVER - DISPLAY AND NAVIGATION MODULE DISPLAY)

(a) Disconnect the L113 radio receiver assembly connector.

(b) Disconnect the L114 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. CHECK RADIO RECEIVER ASSEMBLY

(a) Reconnect the L113 radio receiver assembly connector.





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

OK:





NOTICE:
The video waveform changes according to the image output from the radio receiver assembly to 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