Sound Signal Circuit Between Multi-Display Controller And Head-Phone Terminal

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Sound Signal Circuit between Multi-display Controller and Head-phone Terminal

DESCRIPTION

This is the sound signal circuit from the multi-display selector to the headphone terminal.
HINT: "Multi-display Controller" refers to the multi-display selector.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HEADPHONE TERMINAL





(a) Disconnect the P1 terminal connector.
(b) Using an oscilloscope, check the signal waveform between each terminal and the body ground according to the conditions shown in the chart below.
Signal Waveform:






NG -- CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY SELECTOR - REAR SEAT CONSOLE BOX)
OK -- REPLACE HEADPHONE TERMINAL
2. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY SELECTOR - REAR SEAT CONSOLE BOX)





(a) Disconnect the L22 selector connector.
(b) Disconnect the P1 terminal connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MULTI-DISPLAY SELECTOR