GF54.21-P-4010CE Special Vehicle Multifunction Control Unit (SVMCU [MSS]), Component Description

GF54.21-P-4010CE Special Vehicle Multifunction Control Unit (SVMCU [MSS]), Component Description
- MODEL 204.0 /2
- with CODE (965) Electrical preinstallation, rental vehicles
as of model year 2009 /CY 08

Shown on model 204.0






N26/9 Special-purpose vehicle multifunction control unit

Location
The special-purpose vehicle multifunction control unit is located in the trunk in front of the spare tire well.

Task
The special-purpose vehicle multifunction control unit has the following tasks:
- Reading in of sensors, pickups and signals
- Evaluation of input factors
- Actuation of components

Scan components, sensors, transmitters and signals The input factors are read in via the following connections:
- Direct line
- Interior CAN (CAN B)

Direct line
The signals from the following components are read via a direct line:
- Two-way radio (A49) (accessories)
- Radio data transmission two-way radio (A49/5) (accessories)
- "Cancel" button on taxi emergency alarm system (S62/5) (with code (934) Taxi emergency alarm system)
- "Actuate" button on taxi emergency alarm system (S62/6) (with code (934) Taxi emergency alarm system)
- Two-way radio link up switch (S93/2) (with code (938) Preinstallation for handsfree two-way radio)

Interior CAN
The signals are read in by the special-purpose vehicle multifunction control unit via the interior CAN. The functions resulting therefrom are described in the corresponding function descriptions (see block diagram or function schematic).

Evaluation of input factors
The input factors that have been read in are evaluated by the integrated microprocessor and the affected components are then actuated.

Actuation of components
Actuation of the components takes place via the following connections:
- Direct line
- Interior CAN

Direct line
The following components are actuated via a direct line:
- Two-way radio (accessories)
- Radio data transmission two-way radio (accessories)
- Taximeter (A50) (with code (336) Preinstallation for taximeter installation)
- Mirror taximeter (A50/1) (with code (337) Taximeter integrated into rearview mirror)
- Roof sign lamp (E14/4) (with code (342) Roof sign lamp connection for taxi)

Interior CAN
The signals are sent by the special-purpose vehicle multifunction control unit via the interior CAN.
The functions resulting therefrom are described in the corresponding function descriptions (see block diagram or function schematic).