AUDIO UNIT [WITHOUT CENTER DISPLAY]

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Note
•  iPod is a registered trademark of Apple Inc.

Purpose

•  The audio unit controls the entertainment system-related parts.

Function


Display function

•  Displays audio information such as radio and CD related information in the audio unit display.


Memory function

•  The audio unit stores the following information.
―  DTC
―  Radio frequencies stored in preset
―  Sound quality settings
•  AF (Setting Alternative Frequency (AF))
•  REG (Setting Regional Programme (REG))
•  ALC (auto volume adjustment)
•  BASS (low range adjustment)
•  TREB (high range adjustment)
•  FADE (front/back volume adjustment)
•  BAL (left/right volume adjustment
•  BEEP (operation sound setting)
•  BT SETUP
―  Clock setting
•  12Hr/24Hr (time display setting)
―  Volume setting
Note
•  The sound quality, clock, and volume settings stored in the audio unit are erased if the battery cables are disconnected.


ALC (auto level control) function

•  Compensates for the passengers' sense of a lack of audio volume which occurs as a result of external noise while driving.


Sound quality/Hour display set function

•  When the MENU button on the audio unit is pressed, the audio unit switches to the sound quality mode. After the mode is switched to the sound quality mode, the sound quality can be adjusted and the time display can be switched between 12-Hr and 24-Hr clock time by rotating the TPOWER/VOLUME button.

Mode

Direction in which POWER/VOLUME button is rotated

Left

Right
AF (Setting Alternative Frequency (AF))
Off
On
REG (Setting Regional Programme (REG))
Off
On
ALC (auto volume adjustment)
Volume change low
Volume change high
BASS (low range adjustment)
Low bass range
High bass range
TREB (high range adjustment)
Low treble range
High treble range
FADE (front/back volume adjustment)
Rear speaker low volume
Front speaker low volume
BAL (left/right volume adjustment
Right speaker low volume
Left speaker low volume
BEEP (operation sound setting)
BEEP sound off
BEEP sound on
BT SETUP
Select mode
12Hr/24Hr (time display setting)
12 Hr display (flashes)
24 Hr display (flashes)


TA (traffic announcement) function

•  When traffic information is received while listening in the following modes, the audio switches automatically to the traffic information.
―  FM radio
―  CD
―  AUX
―  USB (iPod)
―  Bluetooth® audio
•  When the traffic information has finished, the audio unit returns to the mode that was being listened to before the traffic information broadcast.
•  If the TA function is set to ON, "TA" is displayed in the audio unit display regardless of traffic information reception.
Note
•  If traffic information is received while the TA function is set to OFF, "TA" is displayed in the audio unit display. If the TA button on the audio panel is selected during "TA" display, announcement of traffic information starts.
•  If the following operations are performed during a traffic information announcement, the traffic information announcement is cancelled.
―  Turn the audio unit power off
―  Switch to AM radio by operating FM/AM/CLOCK button
―  Turn TA function off by operating TA button


On-board diagnostic function

•  The audio unit has an on-board diagnostic function to facilitate system diagnosis. DTCs are stored in the event of a malfunction occurring. For details, refer to the [ON-BOARD DIAGNOSTIC SYSTEM]. (See ON-BOARD DIAGNOSTIC [ENTERTAINMENT SYSTEM (WITHOUT CENTER DISPLAY)].)


Diagnostic assist function

•  A diagnostic assist function is equipped which can verify the following. For details, refer to the [ON-BOARD DIAGNOSTIC SYSTEM]. (See ON-BOARD DIAGNOSTIC [ENTERTAINMENT SYSTEM (WITHOUT CENTER DISPLAY)].)
―  Connection status of related parts
―  Operation status of related parts
―  Related part specifications


Specification

Item

Specification
Rated voltage
(V)
12
Frequency range
AM
(kHz)
531—1602 (European (L.H.D. U.K.) specs.)
530—1620 (With AM frequency pitch: 5KHz pitch)
522—1629 (With AM frequency pitch: 9KHz pitch)
FM
(MHz)
87.5—108
LW
(kHz)
153—279
Amplifier maximum output
(W)
25×4
Output impedance
(ohm)
4


Construction

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Input/output signal table

Audio unit

TERMINAL

Signal
1A
Door speaker/tweeter LH (+)
1B
B+
1C
Door speaker/tweeter LH (-)
1D
Door speaker/tweeter RH (+)
1E
TNS (Parking Lights) signal input
1F
Door speaker/tweeter RH (-)
1G
Illumination power supply (-)
1H
—
1I
Vehicle speed signal input
1J
—
1K
—
1L
Dimmer cancel
1M
—
1N
Steering switch1
1O
Local MS-CAN_H
1P
Steering switch2
1Q
Local MS-CAN_L
1R
ACC
1S
Driver-side headrest speaker LH (+)*1
1T
—
1U
Driver-side headrest speaker LH (-)*1
1V
Driver-side headrest speaker RH (+)*1
1W
Ground
1X
Driver-side headrest speaker RH (-)*1
2A
TEL (+)*2
2B
TEL (-)*2
2C
Bluetooth® audio input LH (+)*2
2D
Bluetooth® audio input LH/RH (-)*2
2E
Bluetooth® audio input RH (+)*2
2F
—
2G
—
2H
—
2I
AUX audio input LH (+)
2J
AUX audio input LH/RH (-)
2K
AUX audio input RH (+)
2L
AUX connection detection
2M
CD audio input LH (+)*3
2N
CD audio input LH (-)*3
2O
CD audio input RH (+)*3
2P
CD audio input RH (-)*3
2Q
—
2R
—
2S
—
2T
—
2U
—
2V
—
2W
—
2X
—
3A
USB power supply ground
3B
USB data (+)
3C
USB power supply
3D
USB data (-)
4A
Antenna amplifier power supply
4B
Radio input
4B'
Ground

*1  :Australian specs.
*2  :With Bluetooth® unit
*3  :With CD player

Button position

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No.

Button name

Function
1
Preset button 1/:00 button
Switches to radio station programmed in Preset 1.
2
Preset button 2
Switches to radio station programmed in Preset 2.
3
Preset button 3
Switches to radio station programmed in Preset 3.
4
TUNE button (down)
Changes CD tracks or switches radio stations.
5
TUNE button (up)
Changes CD tracks or switches radio stations.
6
FM/AM/CLOCK button
•  Switches to radio mode.
•  Switches to clock adjustment mode. (When pressed continuously for 1.5 s or more)
7
MEDIA/SCAN button
•  Switches the mode.
•  Search and selection of receivable radio station is possible.
8
Preset button 4
Switches to radio station programmed in Preset 4.
9
Preset button 5
Switches to radio station programmed in Preset 5.
10
Preset button 6
Switches to radio station programmed in Preset 6.
11
POWER/VOLUME button
•  Audio power on/off and volume adjustment are possible.
•  Audio sound quality can be adjusted.
12
MENU button
•  Switches to sound quality adjustment mode. The display switches in the following order.
―  AF → REG → ALC → BASS → TREB → FADE → BAL → BEEP → BT SETUP → 12Hr< >24Hr
13
TA button
Switches TA (traffic announcement) on/off.
14
FLDR/PTY button (down)
•  Switches to PTY selection mode. After selecting the FLDR/PTY button, the PTY code currently being received is displayed in the audio unit display.
•  When the button is long-pressed, PTY seek is performed based on the radio frequency currently being received. The seek direction is in the down direction.
Note
•  PTY seek is performed until the radio station which has PTY code corresponding to the PTY code currently being selected is received.
•  Selects the folder to be played (MP3/WMA/AAC/CD playback).
15
FLDR/PTY button (up)
•  Switches to PTY selection mode. After selecting the FLDR/PTY button, the PTY code currently being received is displayed in the audio unit display.
•  When the button is long-pressed, PTY seek is performed based on the radio frequency currently being received. The seek direction is in the up direction.
Note
•  PTY seek is performed until the radio station which has PTY code corresponding to the PTY code currently being selected is received.
•  Selects the folder to be played (MP3/WMA/AAC/CD playback).


Operation


ALC (auto level control) operation

•  The audio unit automatically changes the volume and audio quality based on the vehicle speed signal received from the instrument cluster.
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•  The ALC function is divided into 7 levels. When the level is in the high range, the volume correction range and correction amount are large. The maximum correction amount is 14dB. The ALC function can be stopped by selecting ALC OFF.
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Fail-safe

•  Not applicable