Radio, Stereo, and Compact Disc: Description and Operation

Audio Schematic

Audio Schematic:

BASE SYSTEM

Audio Schematic:

MIDLINE SYSTEM

Audio Schematic:

PREMIUM SYSTEM (WITHOUT NAVI)

Audio Schematic - Premium System (With NAVI):

PREMIUM SYSTEM (WITH NAVI)

AUDIO

System Description

BASE SYSTEM
Refer to Owner's Manual for audio system operating instructions.
Power is supplied at all times
- through 20 A fuse (No. 31, located in the fuse and fusible link box)
- to audio unit terminal 6.

With the ignition switch in the ACC or ON position, power is supplied
- through 10 A fuse [No. 4, located in the fuse block (J/B)]
- to audio unit terminal 10.

Ground is supplied through the case of the audio unit.
Then audio signals are supplied
- through audio unit terminals 1, 2, 3, 4, 13, 14, 15 and 16
- to terminals + and - of front door speaker LH and RH
- to terminals + and - of front tweeter LH and RH
- to terminals + and - of rear door speaker LH and RH and
- to terminals + and - of rear door tweeter LH and RH (crew cab only).

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

Power is supplied at all times
- through 20 A fuse (No. 31, located in the fuse and fusible link box)
- to audio unit terminal 6 and
- to AV switch terminal 1.

With the ignition switch in the ACC or ON position, power is supplied
- through 10 A fuse [No. 4, located in the fuse block (J/B)]
- to audio unit terminal 10 and
- to AV switch terminal 2.

Ground is supplied through the case of the audio unit.
Ground is also supplied
- to AV switch terminal 5
- through body grounds M57, M61 and M79.

Then audio signals are supplied
- through audio unit terminals 1, 2, 3, 4, 13, 14, 15 and 16
- to terminals + and - of front door speaker LH and RH
- to terminals + and - of front tweeter LH and RH
- to terminals + and - of rear door speaker LH and RH and
- to terminals + and - of rear door tweeter LH and RH (crew cab only).

When one of steering wheel audio control switches is pushed, the resistance in steering switch circuit changes depending on which button is pushed.

Rear Audio Remote Control Unit (Crew Cab Only)
Power is supplied
- from audio unit terminal 32
- to rear audio remote control unit terminal 13.

Ground is supplied
- to rear audio remote control unit terminal 15
- through body grounds B117 and B132.

Audio signals are supplied
- through audio unit terminals 26, 27, 28 and 29
- to terminals 1, 2, 3, and 4 of rear audio remote control unit.

AUX In Jack
The AUX in jack allows input of audio signals to the audio unit from an auxiliary audio device.

Audio signals are supplied
- from AUX in jack terminals 1 and 4
- to audio unit terminals 74 and 75.

Satellite Radio Tuner (Pre-wiring)
The satellite radio tuner pre-wiring allows connection of a satellite radio tuner.
Power is supplied at all times
- through 20 A fuse (No. 31, located in the fuse and fusible link box)
- to satellite radio tuner pre-wiring terminal 32.

With the ignition switch in the ACC or ON position, power is supplied
- through 10 A fuse [No. 4, located in the fuse block (J/B)]
- to satellite radio tuner pre-wiring terminal 36.

Ground is supplied through the case of the satellite radio tuner.
Then audio signals are supplied
- through satellite radio tuner pre-wiring terminals 21, 22, 23 and 24
- to audio unit terminals 41, 42, 43 and 44.

Satellite Radio Tuner (Factory installed)
Power is supplied at all times
- through 20 A fuse (No. 31, located in the fuse and fusible link box)
- to satellite radio tuner pre-wiring terminal 32.

With the ignition switch in the ACC or ON position, power is supplied
- through 10 A fuse [No. 4, located in the fuse block (J/B)]
- to satellite radio tuner pre-wiring terminal 36.

Ground is supplied through the case of the satellite radio tuner.
Then audio signals are supplied
- through satellite radio tuner pre-wiring terminals 21, 22, 23 and 24
- to audio unit terminals 41, 42, 43 and 44.

PREMIUM SYSTEM
Refer to Owner's Manual for audio system operating instructions.
Power is supplied at all times
- through 15 A fuse [No. 17, located in the fuse block (J/B)]
- to audio amp. terminal 17
- through 20 A fuse (No. 31, located in the fuse and fusible link box)
- to audio unit terminal 6
- to audio amp. terminal 1
- to AV switch terminal 1 and
- to display control unit terminal 1 (with NAVI).

With the ignition switch in the ACC or ON position, power is supplied
- through 10 A fuse [No. 4, located in the fuse block (J/B)]
- to audio unit terminal 10
- to AV switch terminal 2 and
- to display control unit terminal 10 (with NAVI).

With the ignition switch in the ON or START position, power is supplied
- through 10 A fuse [No. 12, located in the fuse block (J/B)]
- to display control unit terminal 12 (with NAVI).

Ground is supplied through the case of the audio unit.
Ground is also supplied
- to audio amp. terminals 4 and 20
- to AV switch terminal 5
- to display unit terminal 1 (with NAVI) and
- to display control unit terminal 3 (with NAVI)
- through body grounds M57, M61 and M79.

Then audio signals are supplied
- through audio unit terminals 1, 2, 3, 4, 13, 14, 15 and 16
- to audio amp. terminals 5, 6, 7, 8, 21, 22, 23 and 24.

Audio signals are amplified by the audio amp.
The amplified audio signals are supplied
- through audio amp. terminals 2, 3, 10, 11, 12, 13, 14, 15, 16, 18, 19, 26, 27, 28, 29, 30, 31 and 32
- to terminals + and - of front door speaker LH and RH
- to terminals + and - of front tweeter LH and RH
- to terminals + and - of center speaker
- to terminals + and - of rear door speaker LH and RH
- to terminals + and - of rear door tweeter LH and RH (crew cab) and
- to terminals 1, 2, 3 and 4 of subwoofer.

When one of steering wheel audio control switches is pushed, the resistance in steering switch circuit changes depending on which button is pushed.

Rear Audio Remote Control Unit (Crew Cab Only)
Power is supplied
- from audio unit terminal 32
- to rear audio remote control unit terminal 13.

Ground is supplied
- to rear audio remote control unit terminal 15
- through body grounds B117 and B132.

Audio signals are supplied
- through audio unit terminals 26, 27, 28 and 29
- to terminals 1, 2, 3, and 4 of rear audio remote control unit.

AUX In Jack
The AUX in jack allows input of audio signals to the audio unit from an auxiliary audio device.

Audio signals are supplied
- from AUX in jack terminals 1 and 4
- to audio unit terminals 74 and 75.

Satellite Radio Tuner (Pre-wiring)
The satellite radio tuner pre-wiring allows connection of a satellite radio tuner.
Power is supplied at all times
- through 20 A fuse (No. 31, located in the fuse and fusible link box)
- to satellite radio tuner pre-wiring terminal 32.

With the ignition switch in the ACC or ON position, power is supplied
- through 10 A fuse [No. 4, located in the fuse block (J/B)]
- to satellite radio tuner pre-wiring terminal 36.

Ground is supplied through the case of the satellite radio tuner.
Then audio signals are supplied
- through satellite radio tuner pre-wiring terminals 21, 22, 23 and 24
- to audio unit terminals 41, 42, 43 and 44.

Satellite Radio Tuner (Factory installed)
Power is supplied at all times
- through 20 A fuse (No. 31, located in the fuse and fusible link box)
- to satellite radio tuner pre-wiring terminal 32.

With the ignition switch in the ACC or ON position, power is supplied
- through 10 A fuse [No. 4, located in the fuse block (J/B)]
- to satellite radio tuner pre-wiring terminal 36.

Ground is supplied through the case of the satellite radio tuner.
Then audio signals are supplied
- through satellite radio tuner pre-wiring terminals 21, 22, 23 and 24
- to audio unit terminals 41, 42, 43 and 44.

SPEED SENSITIVE VOLUME SYSTEM
Volume level of this system goes up and down automatically in proportion to the vehicle speed. The control level can be selected by the customer. Refer to Owner's Manual for operating instructions.

CAN Communication System Description
Refer to LAN-4, "Information Bus". Description and Operation