Radio, Stereo, and Compact Disc: Description and Operation

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. 29, 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 (Crew cab)
- to terminals + and - of rear door speaker LH and RH.

PREMIUM SYSTEM (KING CAB)
Refer to Owner's Manual for audio system operating instructions.
Power is supplied at all times
- through 20 A fuse [No. 29, 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.

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

Satellite Radio Tuner (Factory Installed)
Refer to Owner's Manual for satellite radio system operating instructions.
Power is supplied at all times
- through 15 A fuse [No. 17, located in the fuse block (J/B)]
- to satellite radio tuner 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 terminal 36.

Radio signals are supplied from the satellite radio antenna to satellite radio tuner terminal 37.
Audio signals are supplied
- through satellite radio tuner terminals 21, 22, 23 and 24
- to terminals 41, 42, 43 and 44 of audio unit.

Ground is supplied through the case of the satellite radio tuner.

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 15 A fuse [No. 17, located in the fuse block (J/B)]
- 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
- to satellite radio tuner (pre-wiring) terminals 25 and 26
- from audio unit terminals 45 and 46.

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 (CREW CAB)
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 amplifier terminals 1 and 17
- through 20 A fuse [No. 29, 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.

Ground is also supplied
- to audio amplifier terminals 4 and 20
- through body grounds B117 and B132.

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

Audio signals are amplified by the audio amplifier

The amplified audio signals are supplied
- through audio amplifier terminals 2, 3, 11, 12, 13, 14, 15, 16, 18, 19, 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 rear door speaker LH and RH
- to terminals + and - of rear door tweeter LH and RH
- 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.

Satellite Radio Tuner (Factory Installed)
Refer to Owner's Manual for satellite radio system operating instructions.

Power is supplied at all times
- through 15 A fuse [No. 17, located in the fuse block (J/B)]
- to satellite radio tuner 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 terminal 36.

Radio signals are supplied from the satellite radio antenna to satellite radio tuner terminal 37.

Audio signals are supplied
- through satellite radio tuner terminals 21, 22, 23 and 24
- to terminals 41, 42, 43 and 44 of audio unit.

Ground is supplied through the case of the satellite radio tuner.

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 15 A fuse [No. 17, located in the fuse block (J/B)]
- 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
- to satellite radio tuner (pre-wiring) terminals 25 and 26
- from audio unit terminals 45 and 46.

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.