Display Signal Circuit between Multi-display and Radio Receiver

AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM: Display Signal Circuit between Multi-display and Radio Receiver

Display Signal Circuit between Multi-display and Radio Receiver

CAUTION / NOTICE / HINT
HINT: If the navigation type is NAVIGATION SYSTEM (for HDD), "multi-display" refers to the "display and navigation assembly".

DESCRIPTION

This circuit sends a DVD image signal from the radio receiver to the multi-display.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (DISPLAY AND NAVIGATION ASSEMBLY [MULTI-DISPLAY] - RADIO RECEIVER)





(a) Disconnect the L61 display connector.
(b) Disconnect the L56 receiver 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





(a) Reconnect the L56 receiver connector.
(b) Check the waveform of the radio receiver using an oscilloscope.

Measurement condition





OK:
Waveform is as shown in the illustration.
NG -- REPLACE RADIO RECEIVER ASSEMBLY
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE