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Microphone Circuit between Overhead Junction Block and Multi-display: Description

w/ LEXUS Link System:

This circuit sends a microphone signal from the microphone to the multi-display through the mayday ECU. It also supplies power from mayday ECU to the microphone.

(w/o LEXUS Link System:

This circuit sends a microphone signal from the microphone to the multi-display. It also supplies power from multi-display to the microphone.