Bus messages, Audio
| Bus messages, Audio |
For a further description of the car's bus system, see System overview, bus and diagnostics communication, petrol and System overview, bus and diagnostics communication, diesel .
| The main unit uses the following information |
|
Information
|
Values
|
Off
|
The value depends on the following sensor input, signal or function
|
|
Ignition +B
|
ON/OFF
|
DICE
|
Ignition switch. The main unit uses the +B information only as logic voltage.
|
|
Key Correct
|
ON/OFF
|
TWICE
|
Immobilization function. The main unit uses the information for the audio system's theft protection function.
|
|
CD changer information
|
Current settings
|
CDC
|
Information on current CD and its location.
|
|
Vehicle speed
|
km/h, mph
|
MIU
|
RL wheel speed. The main unit uses the information for the function “Speed-dependent volume”.
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Steering wheel controls
|
Seek >>, Seek <<, Vol +, Vol -, NXT, SRC
|
SID
|
The buttons' control module input. The main unit uses the information to control the function (perform the command) selected with the steering wheel switches.
|
|
Rheostat level
|
0-100%
|
SID
|
Rheostat control module input. The main unit uses the information to control the brightness of the main unit's front lighting.
|
|
Rheostat Night Panel
|
0-100%
|
SID
|
Rheostat control module input is reduced with a fixed value. The main unit uses the information to control Night Panel light brightness on the main unit's front lighting.
|
|
Night Panel
|
ON/OFF
|
SID
|
Button. The main unit uses the information to switch on/off the “Night Panel” function. When switched on, brightness on the main unit's front lighting is reduced.
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Display lighting
|
0-100%
|
SID
|
Rheostat control module input or light sensor, highest value. The main unit uses the information to control brightness on the main unit's front lighting.
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Wheel speed
|
0-300 km/h
|
TC/ABS
|
RL wheel speed sensor
|
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Diagnostics communication
|
|
DICE
|
The control module must be live and the bus leads intact. For further information on the bus, see Bus and diagnostics communication.
.
|
| The main unit transmits the following information |
|
Information
|
Values
|
Used by
|
The value depends on the following sensor input, signal or function
|
|
RDS time
|
Hours, Minutes, Seconds
|
SID
|
RDS reception. SID uses the information in the time function (clock).
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RDS date
|
0-31
|
SID
|
RDS reception. SID uses the information in the time function (clock).
|
|
RDS month
|
January - December
|
SID
|
RDS reception. SID uses the information in the time function (clock).
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Sound
|
Sound information
|
SID
|
Button pressing on the panel. SID uses this information to activate the requested type of sound from the main unit.
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Text message
|
Text information
|
SID
|
SID uses the information to show on the display the setting of the source currently in use.
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CD changer control
|
Information for controlling the CD changer
|
CDC
|
Buttons on the panel. The CD changer uses the information from the main unit to control the selected function of the CD changer.
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Diagnostics communication
|
-
|
DICE
|
The control module must be live and the bus leads intact. For further information on the bus, see Bus and diagnostics communication.
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