Display Signal Circuit between Multi-display and Radio Receiver

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Display Signal Circuit between Multi-display and Radio Receiver

DESCRIPTION

This circuit sends a DVD image signal from the radio receiver to the multi-display.
HINT:
If the vehicle has a navigation system, "multi-display" refers to the "display and navigation module display".

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

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





(a) Disconnect the F29 display connector.
(b) Disconnect the F25 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. INSPECT RADIO RECEIVER (NTSC SIGNAL)





(a) Reconnect the F25 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