Audio

System Description

BASE SYSTEM
Refer to Owner's Manual for audio system operating instructions.

Power is supplied at all times
- through 15 A 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 unit terminal 1 and
- to option connector-2 for satellite radio receiver terminal 12.

With the ignition switch in the ACC or ON position, power is supplied
- through 10 A 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 unit terminal 2 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 A/C and AV switch terminal 5 and
- to display unit terminal 6 and 15
- through body ground M35, M45 and M85,
- to option connector-2 for satellite radio receiver terminal 10
- through body ground B203 and B210.

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 sends audio signal to audio unit. Then audio signals are supplied
- through audio unit terminals 1, 2, 3, 4, 13, 14, 15, and 16
- to terminals 1 and 2 of front door speaker LH and RH
- to terminals 1 and 2 of rear door speaker LH and RH and
- to terminals 1 and 2 of instrument speaker LH and RH.

When one of audio steering wheel switch is pushed to volume up, seek up, or mode ON, resistance in steering 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.

BOSE SYSTEM
Refer to Owner's Manual for audio system operating instructions.

Power is supplied at all times
- through 15 A fuse (No. 32, located in the fuse and fusible link block)
- to audio unit terminal 6
- to woofer terminal 1
- to A/C and AV switch terminal 1
- to display control unit terminal 1 (with navigation system) or display unit terminal 1 (without navigation system) and
- to option connector-2 for satellite radio receiver terminal 12
- through 20 A 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 10 A 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 (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 control level can be selected by the customer.