AUDIO UNIT CONSTRUCTION/OPERATION

id092000101600

Without Display

Structural view

•  The audio unit is composed of the audio panel and the base unit.

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Terminal Layout and Signal

Terminal		Signal
	1A	Front door speaker LH (+)
	1B	B+
	1C	Front door speaker LH (–)
	1D	Front door speaker RH (+)
	1E	Illumination (+)
	1F	Front door speaker RH (–)
	1G	Illumination (–)
	1H	—
	1I	Vehicle speed signal
	1J	—
	1K	—
	1L	—
	1M	—
	1N	Steering switch 1
	1O	CAN_H
	1P	Steering switch 2
	1Q	CAN_L
	1R	ACC
	1S	Rear door speaker LH (+)
	1T	—
	1U	Rear door speaker LH (–)
	1V	Rear door speaker RH (+)
	1W	Power ground
	1X	Rear door speaker RH (–)
	2A	Power ground
	2B	—
	2C	Input signal RH (+)
	2D	Input signal RH (–)
	2E	Input signal LH (+)
	2F	Input signal LH (–)
	2G	—
	2H	—
	2I	—
	2J	—
	2K	—
	2L	—
	2M	AUX control
	2N	—
	2O	—
	2P	—

Switch location

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1	LOAD switch
2	EJECT switch
3	DISC/FOLDER up/Preset switch 1
4	Preset switch 2
5	RDM/Preset switch 3
6	DISC/FOLDER down/Preset switch 4
7	Preset switch 5
8	Preset switch 6
9	FM1/2 switch
10	SCAN switch
11	RPT switch
12	H/SEEK/TRACK up switch
13	INFO switch
14	CLOCK switch
15	M/SEEK/TRACK down switch
16	AUDIO CONT switch
17	CD switch
18	POWER/VOLUME switch
19	AM switch
20	AUX switch
21	TUNE/AUTO-M/DISP/TEXT switch

Action illumination

•  The action illumination is linked to the audio switch operation during TNS ON to turn the audio panel illumination on and off. The action illumination can be turned on or off by the user.

•  The main microcomputer of the audio unit sends illumination signals to the sub-microcomputer according to the audio panel switch operation. The sub-microcomputer controls the on/off illumination of the audio panel based on the illumination signal from the main microcomputer.

•  The target operations of the action illumination are as follows:

―  Turning the ignition switch to the ACC or LOCK position with the audio unit on

―  Turning the audio unit on or off

―  Pressing the TRACK/SEEK up switch/TRACK/SEEK down switch

―  Pressing the SCAN switch

―  Registration using the preset switches

―  Pressing the CD switch

―  Volume adjustment

―  Pressing/releasing the Fast-forward switch

―  Pressing/releasing the Rewind switch

Structural view

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With Display

Structural view

•  An AM/FM tuner and an integrated CD changer compatible with MP3/WMA (windows media audio) have been adopted to the audio unit.

•  The LCD display, built into the audio unit, displays text information for CDs or radio, or images from the rear mount camera.

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Terminal Layout and Signal

Terminal		Signal
	1A	Front door speaker LH (+)
	1B	B+
	1C	Front door speaker LH (–)
	1D	Front door speaker RH (+)
	1E	Illumination (+)
	1F	Front door speaker RH (–)
	1G	Illumination (–)
	1H	—
	1I	—
	1J	AMP control*1
	1K	—
	1L	—
	1M	—
	1N	Steering switch 1
	1O	CAN_H
	1P	Steering switch 2
	1Q	CAN_L
	1R	ACC
	1S	Rear door speaker LH (+)*2
	1T	—
	1U	Rear door speaker LH (–)*2
	1V	Rear door speaker RH (+)*2
	1W	Power ground
	1X	Rear door speaker RH (–)*2
	2A	Power ground
	2B	—
	2C	—
	2D	—
	2E	—
	2F	—
	2G	—
	2H	—
	2I	AUX (–)
	2J	—
	2K	AUX RH (+)
	2L	AUX LH (+)
	2M	AUX control
	2N	—
	2O	—
	2P	—
	3A	—
	3B	—
	3C	—
	3D	COMPOSITE
	3E	Camera B+
	3F	GND
	3G	Power ground
	3H	—
	3I	—
	3J	—
	3K	—
	3L	Camera detect

Antenna feeder connector

Terminal		Signal
	A	ANT control
	B	Antenna

Switch location

With RDS (radio data system)

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1	FM switch
2	AM switch
3	H switch
4	M switch
5	INFO switch
6	CD switch
7	AUX switch
8	LOAD switch
9	EJECT switch
10	SEEK/TRACK up switch
11	SEEK/TRACK down switch
12	Selection switch 1
13	Selection switch 2
14	Selection switch 3
15	Selection switch 4
16	Selection switch 5
17	Selection switch 6
18	Selection switch 7
19	Selection switch 8
20	PTY/FOLDER up switch
21	PTY/FOLDER down switch
22	POWER/VOLUME switch
23	PLAY/PAUSE/MUTE switch
24	DISPLAY switch
25	AUDIO CONT switch
26	SCAN switch
27	TA switch
28	RETURN switch
29	TUNE/FILE/ENTER/TEXT switch

Without RDS (radio data system)

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No.	With POWER/VOLUME switch on right side	With POWER/VOLUME switch on left side
1	FM switch	AM/FM switch
2	AM switch	CD/AUX switch
3	H switch
4	M switch
5	INFO switch
6	CD switch	SIRIUS switch
7	AUX switch	PHONE switch
8	LOAD switch
9	EJECT switch
10	FOLDER up switch	SEEK/TRACK up switch
11	FOLDER down switch	SEEK/TRACK down switch
12	Selection switch 1
13	Selection switch 2
14	Selection switch 3
15	Selection switch 4
16	Selection switch 5
17	Selection switch 6
18	Selection switch 7
19	Selection switch 8
20	SEEK/TRACK up switch	CAT/FOLDER up switch
21	SEEK/TRACK down switch	CAT/FOLDER down switch
22	TUNE/FILE/ENTER/TEXT switch	POWR/VOLUME switch
23	AUDIO CONT switch	PLAY/PAUSE/MUTE switch
24	DISPLAY switch
25	PLAY/PAUSE/MUTE switch	AUDIO CONT switch
26	RETURN switch	SCAN switch
27	AUTO-M switch
28	SCAN switch	RETURN switch
29	POWER/VOLUME switch	TUNE/FILE switch