Bus message, audio navigation system
| Bus message, audio navigation system |
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 head unit uses the following information |
|
Information
|
Value
|
Off
|
The value is dependent on the following sensor input, signal or function
|
|
Ignition +B
|
ON/OFF
|
DICE
|
Ignition switch. The head unit uses the +B information only as logic voltage.
|
|
Key Correct
|
ON/OFF
|
TWICE
|
Immobilization function. The head 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 head unit uses the information for the function “Speed-dependent volume”.
|
|
Steering wheel controls
|
Seek >>, Seek <<, Vol +, Vol -, NXT, SRC
|
SID
|
The buttons' control module input. The head 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 head unit uses the information to control the brightness of the head unit's front lighting.
|
|
Rheostat Night Panel
|
0-100%
|
SID
|
Rheostat control module input is reduced with a fixed value. The head unit uses the information to control Night Panel light brightness on the head unit's front lighting.
|
|
Night panel
|
ON/OFF
|
SID
|
Button. The head unit uses the information to activate or deactivate “Night Panel”. When activated, the light intensity of the head unit illumination is reduced and the touchscreen turned off.
|
|
Display lighting
|
0-100%
|
SID
|
Rheostat control module input or light sensor, highest value. The head unit uses the information to control brightness on the head unit's front lighting.
|
|
Wheel speed
|
0-300 km/h
|
TC/ABS
|
RL wheel speed sensor
|
|
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 head unit transmits the following information |
|
Information
|
Value
|
Used by
|
The value is dependent on the following sensor input, signal or function
|
|
GPS time
|
Hours, Minutes, Seconds
|
SID
|
GPS reception. The SID uses the information for the time function (clock).
|
|
GPS date
|
0-31
|
SID
|
GPS reception. The SID uses the information for the time function (clock).
|
|
GPS month
|
January - December
|
SID
|
GPS reception. The SID uses the information for the time function (clock).
|
|
CD changer control
|
Information for controlling the CD changer
|
CDC
|
Buttons on the panel. The CD changer uses the information from the head unit to control the selected function of the CD changer.
|
|
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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