Component description for right front door control unit - GF72.29-P-6009CE

MODEL 204 as of model year 2009/YoM 08

Shown on model 204.0 up to 28.2.11

Location

The right front door control unit is located on the door module behind the door lining.

Fig 1: Identifying Right Front Door Control Unit

Courtesy of MERCEDES-BENZ USA

Task

The right front door control unit has the following tasks:

Reading in of sensors, pickups and signals
Evaluation of input factors
Actuation of components

Reading in of sensors, pickups and signals

The input factors are read in via the following connections:

Direct line
Right door LIN (LIN B6) (with code (242) Electrically adjustable passenger seat with memory function)
Interior CAN (CAN B)

Direct line

The signals from the following components are read via a direct line:

Infrared remote control receiver, front door on passenger side (A26/2) (with code (498) Japanese version)
Right front door rotary tumbler switch (A85/1s1)
Hall sensor for right front door power window motor (M10/4)
Passenger-side power window switch (S21/2)
Right front door central locking inside door handle switch (S85/6) with following components:
Open central locking switch (S85/6s1)
Close central locking switch (S85/6s2)

Right door LIN (with code (242) Electrically adjustable passenger seat with memory function)

The signals for the following components are read in via the right door LIN:

Right front seat adjustment switch group (S23)
Right front head restraint adjustment switch (S23s1)
Right front seat inclination adjustment switch (S23s2)
Right front seat fore/aft adjustment switch (S23s3)
Right front seat height adjustment switch (S23s4)
Right front backrest adjustment switch (S23s5)
Right front memory function switch (S23s6)
Right front memory 1 switch (S23s7)
Right front memory 2 switch (S23s8)
Right front memory 3 switch (S23s9)

Interior CAN

The signals are read in by the right front door 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 relevant components are then actuated.

Actuation of components

Components are actuated via the following lines:

Direct line
Right door LIN

Direct line

The following components are actuated via a direct line:

Right front door central locking motor (A85/1 m1)
Right front door additional door lock actuator motor (A85/1 m4) (with code (885) Increased theft protection)
In addition with code (954) Avantgarde or code (955) Elegance:
Right front door exit and warning lamp (E17/4)
Right front door handle illumination (E17/12)
Right front door ambience illumination (E17/44) (model 204.0/2 as of 1.3.11 with code (954) Avantgarde or code (955) Elegance or model 204.3 with code (876) Interior light package)
Right outside mirror turn signal lamp (E6/6)
Right front door power window motor
Right outside mirror (M21/2) with following components:
Automatic mirror dimming (M21/2h1) (with code (249) Automatically dimming inside rearview mirror and outside mirror (driver))
Vertical inclination adjustment actuator motor (M21/2m1)
Horizontal inclination adjustment actuator motor (M21/2m2)
Electric outside mirror fold-in/out motor (M21/2m3) (with code (249) Automatically dimming inside rearview mirror and outside mirror (driver)
Mirror heater (M21/2r1)
Readiness/warning indicator for right Blind Spot Assist (M21/2e2) (with code (234) Blind Spot Assist or code (237) Active Blind Spot Assist)

Right door LIN

The left front door control unit supplies the connected control elements with c. 58d (symbol illumination) via right door LIN.

Wiring diagram for right front door control unit (DCU)

PE72.29-P-2102-97FAA