GF54.21-P-4500LE Front Central Operating Unit, Component Description
GF54.21-P-4500LE Front Central Operating Unit, Component Description
- MODEL 216 as of model year 2009 /YoM 08
- MODEL 221 as of model year 2009 /YoM 08
Shown on model 221 up to 31.5.2009
A40/9 Front central operating unit
Location
The front central operating unit is located on the center console between the front seats.
Shown on model 221 as of 1.6.2009
A40/9 Front central operating unit
Location
The front central operating unit is located on the center console between the front seats.
As of 1.9.2010 the legend on the transmission mode button (A40/9s8) (S-C-M) is replaced by "S-E-M".
Shown up to 31.5.2009
A40/9 Front central operating unit
A40/9r1 Volume control
A40/9s1 Disc/radio quick select button
A40/9s2 Button "Back"
A40/9s3 Hazard warning system button
A40/9s4 Multicontour seat quick select button
A40/9s5 Telephone/navigation quick select button
A40/9s6 Button "ON"
A40/9s7 Mute button
A40/9s8 Transmission modes button
A40/9s9 Head restraint folding button
A40/9s10 Freely programmable button
A40/9s11 Turn/push control
As of 1.6.2009 the button-free programming is replaced by the rear window roller sun blind button (A40/9s13) and the mute button by the button-free programming.
As of 1.9.2010 the legend on the transmission mode button (A40/9s8) (S-C-M) is replaced by "S-E-M".
Task
The front central operating unit enables the user to operate all the comfort-relevant functions.
Its tasks are as follows:
- Reading in of signals
- Transmit signals
- Human-Machine Interface (HMI)
Reading in of signals
The input factors are read in via the following connections:
- COU [ZBE] LIN (LIN A1)
- Telematics CAN (CAN A)
COU [ZBE] LIN
The front central operating unit is a ZBE-LIN user and connected by the center console button group (S148) (up to 31.5.2009 with code (386) Preinstallation for cell phone", Universal Portable Cell Phone Interface system or code (389) Mobile phone preinstallation with universal interface USA/Canada).
Telematics CAN
The signals are read-in over the telematics CAN.
The functions resulting therefrom are described in the corresponding function descriptions (see block diagram or function schematic).
Transmit signals
The front central operating unit sends signals over the following condition:
- Telematics CAN
Telematics CAN
The signals are transmitted over the telematics CAN. The functions resulting therefrom are described in the corresponding function descriptions (see block diagram or function schematic).
Schematic of control options in integrated rotary pushbutton
The rotary pushbutton can be used for the following operations:
- Press: Down vertically
- Turn: To left or right (with limit stop at start and end of menu)
- Tilt: In the horizontal, vertical and in the diagonal direction
Variants
- With center console button group and transmission mode button (up to 31.5.2009 with code (386) Preinstallation for cell phone Universal Portable Cell Phone Interface system or code (498) Japan version)
- With center console button group and transmission mode button group (with code (494) USA version)
- Without center console button group (as of 1.6.2009)
Note the relevant equipment variant for the following buttons:
- Multicontour seat quick select button (with code (409) Left/right front multicontour seats or with code (432) Left and right dynamic multicontour seat
- Telephone/navigation quick select button (up to 31.5.2009 with code (386) Preinstallation for cell phone Universal Portable Cell Phone Interface system or as of 1.6.2009 with code (386) Comfort telephony or up to 31.5.2009 with code (389) Mobile phone preinstallation with universal interface USA/ Canada or with code (498) Japan version)
