AV-6
AUDIO
Revision: 2006 July 2007 FX35/FX45
AUDIOPFP:28111
System DescriptionNKS003AI
AUDIO SYSTEM
Refer to Owner's Manual for audio system operating instructions.
Power is supplied at all times
through 15A fuse (No. 32, located in the fuse and fusible link block)
to audio unit terminal 6
to A/C and AV switch terminal 1
to display control unit terminal 1
to woofer terminal 1
to satellite radio tuner terminal 12 (With satellite radio) and
to option connector–2 for satellite radio tuner terminal 12 (Without satellite radio),
through 20A fuse [No.17, located in the fuse block (J/B)]
to BOSE speaker amp. terminal 1.
With the ignition switch in the ACC or ON position, power is supplied
through 10A fuse [No. 6, located in the fuse block (J/B)]
to audio unit terminal 10
to A/C and AV switch terminal 2
to display control unit terminal 10
to satellite radio tuner terminal 16 (With satellite radio) and
to option connector–2 for satellite radio tuner terminal 11 (Without satellite radio).
Ground is supplied through the case of the audio unit.
Ground is also supplied
to BOSE speaker amp. terminal 17
to woofer terminal 2
to satellite radio tuner terminal 15 (With satellite radio) and
to option connector–2 for satellite radio receiver terminal 10 (Without satellite radio)
through body ground B203 and B210,
to A/C and AV switch terminal 5
to display control unit terminals 3,13 and
to display terminal 1
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 pressed to audio switch, it sends audio signal to audio unit. Then audio sig-
nals 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 pressed to ON (With telephone system), mode ON (Without
telephone system), seek up, or volume up, resistance in steering switch circuit changes depending on which
button is pressed.
AUDIO AV-7
C
D E
F
G H
I
J
L
M A
B
AV
Revision: 2006 July 2007 FX35/FX45
When one of audio steering wheel switch is pressed to mode ON (With telephone system), power ON (Without
telephone system), seek down, or volume down, resistance in audio steering wheel switch circuit changes
depending on which button is pressed.
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.
Component Parts LocationNKS003AH
SKIB8644E
