AUDIO AV-9
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Revision: 2005 July 2005 FX
to display control unit terminal 10 (with navigation system) or display unit terminal 2 (without navigation
system) and
to option connector–2 for satellite radio receiver terminal 11.
Ground is supplied through the case of the audio unit.
Ground is also supplied
to BOSE speaker amp. terminal 17
to woofer terminal 2 and
to option connector–2 for satellite radio receiver terminal 10
through body ground B203 and B210,
to A/C and AV switch terminal 5
to display control unit terminal 3 and 13 (with navigation system)
to display terminal 1 (with navigation system) and
to display unit terminal 6 and 15 (without navigation system)
through body ground M35, M45 and M85.
Audio unit, A/C and audio controller are connected by FPC (Flexible Print Circuit).
A/C and audio controller integrates A/C switches and audio switches.
When A/C and audio controller is pushed to audio switch, it send audio signal to audio unit.
Then audio signals are supplied
through audio unit terminals 1, 2, 3, 4, 13, 14, 15, and 16
to BOSE speaker amp. terminals 23, 24, 25, 26, 27, 28, 29, and 30.
Audio signals are amplified by the BOSE speaker amp.
The amplified audio signals are supplied
through BOSE speaker amp. terminals 2, 3, 4, 9,10,11,12, 13, 14, 15, 16, 18, 19 and 20
to terminals 1 and 2 of front door speaker LH and RH
to terminals 1 and 2 of rear door speaker LH and RH
to terminals 1 and 2 of tweeter LH and RH
to terminals 1 and 2 of instrument speaker LH, RH, and CENTER, and
to terminals 7 and 8 of woofer.
When one of audio steering wheel switch is pushed to volume up, seek up, or mode ON, resistance in audio
steering wheel switch circuit changes depending on which button is pushed.
When one of audio steering wheel switch is pushed to volume down, seek down, or power ON, resistance in
audio steering wheel switch circuit changes depending on which button is pushed.
SPEED SENSITIVE VOLUME SYSTEM
Volume level of this system gone up and down automatically in proportion to the vehicle speed. And the con-
trol level can be selected by the customer.
