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 passenger's 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 TUNE FILE/AUDIO CTRL 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 TUNE FILE/AUDIO CTRL button.

Mode

Direction in which TUNE FILE/AUDIO CTRL button is rotated

Left

Right
AF (Setting Alternative Frequency (AF))*1
Off
On
REG (Setting Regional Programme (REG))*1
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 high range
High high 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)

*1  :European (L.H.D. U.K.) specs.
*2  :With Bluetooth® unit


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
Ground
1B
TNS signal input
1C
Local MS-CAN_L
1D
Illumination power supply (-)
1E
Local MS-CAN_H
1F
ACC
1G
Vehicle speed signal input
1H
Steering switch1
1I
Steering switch2
1J
Rear door speaker LH (-)
1K
Rear door speaker RH (-)
1L
Rear door speaker LH (+)
1M
Rear door speaker RH (+)
1N
Front door speaker LH (-)
1O
Front door speaker RH (-)
1P
Front door speaker LH (+)
1Q
Front door speaker RH (+)
1R
Dimmer cancel
1S
—
1T
B+
2A
TEL (+)*1
2B
TEL (-)*1
2C
Bluetooth® audio input LH (+)*1
2D
Bluetooth® audio input LH/RH (-)*1
2E
Bluetooth® audio input RH (+)*1
2F
—
2G
—
2H
—
2I
AUX audio input LH (+)
2J
AUX audio input LH/RH (-)
2K
AUX audio input RH (+)
2L
AUX connection detection
2M
—
2N
—
2O
—
2P
—
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 (-)

*1  :With Bluetooth® unit

Antenna feeder connector

TERMINAL

Signal
4A
Antenna amplifier power supply
4B
Radio input
4B'
Ground


Button position

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

No.

Button name

Function
1
CLOCK button
Switches to clock adjustment mode.
2
EJECT button
Ejects CD.
3
SEEK button (up)
•  Seeks up from current frequency.
Note
•  When it reaches the highest frequency, it continues seeking up from the lowest frequency.
•  When SEEK button (up) is long-pressed, fast-forwards current music. (CD and USB only)
•  When SEEK button (up) is short-pressed, performs file up (track up). (CD and USB only)
4
SEEK button (down)
•  Seeks down from current frequency.
Note
•  When it reaches the lowest frequency, it continues seeking down from the highest frequency.
•  When SEEK button (down) is long-pressed, fast-reverses current music. (CD and USB only)
•  When SEEK button (down) is short-pressed, performs file down (track down). (CD and USB only)
5
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).
6
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).
7
POWER/VOLUME button
•  Audio power on/off and volume adjustment are possible.
8
Preset button 1/H button
•  Switches to radio station programmed in Preset 1.
•  Hours can be adjusted while time adjustment mode is launched
•  When Preset button 1/H button is pressed during music playback or seeking, track repeat is selected and file plays repeatedly. (CD and USB only)
Note
•  When Preset button 1/H button is pressed, "TRACK RPT" is displayed for 3 s in audio display.
•  When Preset button 1/H button is pressed while "TRACK RPT" is displayed, folder repeat is selected and files in the folder play repeatedly. (CD and USB only)
Note
•  When Preset button 1/H button is pressed while "TRACK RPT" is displayed, "FOLDER RPT" is displayed in audio display.
9
Preset button 2/M button
•  Switches to radio station programmed in Preset 2.
•  Minutes can be adjusted while time adjustment mode is launched.
•  When Preset button 2/M button is pressed during music playback or seeking, all files in the folder play randomly. (CD and USB only)
Note
•  When Preset button 2/M button is pressed, "FOLDER RDM" is displayed for 3 s in audio display.
•  When Preset button 2/H button is pressed while "FOLDER RDM" is displayed, all files in the disc play randomly. (CD and USB only)
Note
•  When Preset button 2/H button is pressed while "FOLDER RDM" is displayed, "ALL RDM" is displayed in audio display.
10
Preset button 3/:00 button
•  Switches to radio station programmed in Preset 3.
•  Seconds can be reset when time adjustment mode is launched.
11
Preset button 4
Switches to radio station programmed in Preset 4.
12
Preset button 5
•  Switches to radio station programmed in Preset 5.
•  When Preset button 5 is pressed under following conditions, pauses current music playback.
―  During CD or USB playback
―  During CD or USB file search (track search)
•  When Preset button 5 is pressed under following conditions, resumes music playback.
―  While CD or USB is paused
―  During CD or USB file search (track search)
13
Preset button 6
Switches to radio station programmed in Preset 6.
14
TUNE FILE/AUDIO CTRL button
•  Audio sound quality can be adjusted.
•  Performs file up (track up)/file down (track down). (CD and USB only)
15
FM/AM button
Switches to radio mode.
16
CD button
Switches to CD mode.
17
USB/AUX button
Switches to USB mode/AUX mode.
18
SCAN button
Radio mode
•  Seeks up from current frequency.
Note
•  When it reaches the highest frequency, it continues seeking up from the lowest frequency.
CD mode/USB mode
•  Starts scan play.
19
TA button
•  Switches TA (traffic announcement) on/off.
20
TEXT button
•  When TEXT button is short-pressed, switches display mode.
•  When TEXT button is long-pressed, goes to next page.
Note
•  It goes to next page only when each title, such as album or artist name, is 14 characters or more.
•  Up to 64 characters can be displayed at maximum.

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

No.

Button name

Function
1
CLOCK button
Switches to clock adjustment mode.
2
EJECT button
Ejects CD.
3
FOLDER button (up)
Selects folder to be played.
4
FOLDER button (down)
Selects folder to be played.
5
SEEK button (up)
•  Seeks up from current frequency.
Note
•  When it reaches the highest frequency, it continues seeking up from the lowest frequency.
•  When SEEK button (up) is long-pressed, fast-forwards current music. (CD and USB only)
•  When SEEK button (up) is short-pressed, performs file up (track up). (CD and USB only)
6
SEEK button (down)
•  Seeks down from current frequency.
Note
•  When it reaches the lowest frequency, it continues seeking down from the highest frequency.
•  When SEEK button (down) is long-pressed, fast-reverses current music. (CD and USB only)
•  When SEEK button (down) is short-pressed, performs file down (track down). (CD and USB only)
7
POWER/VOLUME button
•  Audio power on/off and volume adjustment are possible.
8
Preset button 1/H button
•  Switches to radio station programmed in Preset 1.
•  Hours can be adjusted while time adjustment mode is launched
•  When Preset button 1/H button is pressed during music playback or seeking, track repeat is selected and file plays repeatedly. (CD and USB only)
Note
•  When Preset button 1/H button is pressed, "TRACK RPT" is displayed for 3 s in audio display.
•  When Preset button 1/H button is pressed while "TRACK RPT" is displayed, folder repeat is selected and files in the folder play repeatedly. (CD and USB only)
Note
•  When Preset button 1/H button is pressed while "TRACK RPT" is displayed, "FOLDER RPT" is displayed in audio display.
9
Preset button 2/M button
•  Switches to radio station programmed in Preset 2.
•  Minutes can be adjusted while time adjustment mode is launched.
•  When Preset button 2/M button is pressed during music playback or seeking, all files in the folder play randomly. (CD and USB only)
Note
•  When Preset button 2/M button is pressed, "FOLDER RDM" is displayed for 3 s in audio display.
•  When Preset button 2/H button is pressed while "FOLDER RDM" is displayed, all files in the disc play randomly. (CD and USB only)
Note
•  When Preset button 2/H button is pressed while "FOLDER RDM" is displayed, "ALL RDM" is displayed in audio display.
10
Preset button 3/:00 button
•  Switches to radio station programmed in Preset 3.
•  Seconds can be reset when time adjustment mode is launched.
11
Preset button 4
Switches to radio station programmed in Preset 4.
12
Preset button 5
•  Switches to radio station programmed in Preset 5.
•  When Preset button 5 is pressed under following conditions, pauses current music playback.
―  During CD or USB playback
―  During CD or USB file search (track search)
•  When Preset button 5 is pressed under following conditions, resumes music playback.
―  While CD or USB is paused
―  During CD or USB file search (track search)
13
Preset button 6
Switches to radio station programmed in Preset 6.
14
TUNE FILE/AUDIO CTRL button
•  Audio sound quality can be adjusted.
•  Performs file up (track up)/file down (track down). (CD and USB only)
15
FM/AM button
Switches to radio mode.
16
CD button
Switches to CD mode.
17
USB/AUX button
Switches to USB mode/AUX mode.
18
SCAN button
Radio mode
•  Seeks up from current frequency.
Note
•  When it reaches the highest frequency, it continues seeking up from the lowest frequency.
CD mode/USB mode
•  Starts scan play.
19
AUTO-M button
•  Stores up to six receivable stations.
•  Reads out stored stations.
20
TEXT button
•  When TEXT button is short-pressed, switches display mode.
•  When TEXT button is long-pressed, goes to next page.
Note
•  It goes to next page only when each title, such as album or artist name, is 14 characters or more.
•  Up to 64 characters can be displayed at maximum.


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