AUDIO UNIT [WITHOUT CENTER DISPLAY]

id0920z9010200

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.


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.


Audio sound adjustment function

•  Operates the MENU button and the POWER/VOLUME button on the audio panel to change the sound quality as follows:

Indication

Setting value

Turn Left

Turn Right
AF (Setting Alternative Frequency (AF))*1
Off
On
REG (Setting Regional Programme (REG))*1
Off
On
ALC (Automatic volume adjustment)
Level decrease
Level increase
BASS (Low pitch sound)
Decrease bass
Increase bass
TREB (Treble sound)
Decrease treble
Increase treble
FADE (Front/back volume balance)
Shift the sound to the front
Shift the sound to the rear
BAL (Left/right volume balance)
Shift the sound to the left
Shift the sound to the right
BEEP (Audio operation sound)
Off
On
BT SETUP
Select mode
12Hr 24Hr
12Hr(Flashing)
24Hr(Flashing)

*1  :European (L.H.D. U.K.) specs.


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 the TA function is set to OFF, "TA" is displayed in the audio unit display only when traffic information is received.
•  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. In case a malfunction occurs, DTCs are recorded. For details, refer to the on-boad 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-boad diagnostic system. (See ON-BOARD DIAGNOSTIC [ENTERTAINMENT SYSTEM (WITHOUT CENTER DISPLAY)].)
―  Related-part connection condition
―  Related-part operation condition
―  Related-part specification


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

am3zzn00005764

Input/output signal table

Audio unit

Terminal

Signal
1A
Front door speaker output LH (+)
1B
B+
1C
Front door speaker output LH (-)
1D
Front door speaker output RH (+)
1E
TNS signal input (+)
1F
Front door speaker output RH (-)
1G
Illumination (-)
1H
—
1I
Vehicle speed signal input
1J
—
1K
—
1L
Dimmer cancel
1M
—
1N
Steering switch1 input
1O
Local MS-CAN (+)
1P
Steering switch2 input
1Q
Local MS-CAN (-)
1R
ACC
1S
Rear door speaker output LH (+)
1T
—
1U
Rear door speaker output LH (-)
1V
Rear door speaker output RH (+)
1W
Ground
1X
Rear door speaker output RH (-)
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 (+)
2N
CD audio input LH (-)
2O
CD audio input RH (+)
2P
CD audio input RH (-)
2Q
—
2R
—
2S
—
2T
—
2U
AUX connection detection ground
2V
—
2W
—
2X
—
3A
USB power supply ground
3B
USB data (+)
3C
USB power supply
3D
USB data (-)

Antenna feeder connector

Terminal

Signal
4A
AM/FM antenna amplifier power supply
4B
Radio antenna input
4B’
Ground

*2  :With Bluetooth® unit

Button position

am3uun00002613

European (L.H.D. U.K.) specs.

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/ACC/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/ACC/CD playback).

Except European (L.H.D. U.K.) specs.

No.

Button name

Function
1
Preset button 1
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.
―  ALC→BASS→TREB→FADE→BAL→BEEP→BT SETUP→12Hr< >24Hr
13
AUTO-M button
Stores up to six receivable stations.
14
FOLDER button (down)
Selects folder to be played.
15
FOLDER button (up)
Selects folder to be played.


Operation


ALC (auto level control) operation

•  The audio unit automatically changes the volume and audio quality based on the vehicle speed signal sent from the instrument cluster.
am3uun00001043
•  The ALC function is divided into 7 levels. When the level is in the high range, the volume correction range and correction amount is large. The maximum correction amount is 14dB. The ALC function can be stopped by selecting ALC OFF.
am5ezn00002051


Fail-safe

•  Function not equipped.