Component description for left front door control unit - GF72.29-P-6001CA
MODEL 207.3/4
Shows model 207.3
Location
The left front door control unit is located on the door module behind the door lining.
Task
The left front door control unit has the following tasks:
- Reading in of signals
- Evaluation of input factors
- Actuation of components
Reading in of signals
The input factors are read in via the following connections:
- Direct lines
- Left door LIN (LIN B5)
- Interior CAN (CAN B)
Direct lines
The signals from the following components are read via direct lines:
- Infrared remote control receiver, driver-side front door (A261)
- Left front door rotary tumbler switch (A85s1)
- Hall sensor for left front door power window motor (M10/3)
- Potentiometer for vertical inclination adjustment (M21/1r2) (with code (275) Memory package (driver seat, steering column, mirrors))
- Potentiometer for horizontal inclination adjustment (M21/1r3) (with code (275) Memory package (driver seat, steering column, mirrors))
- Trunk lid release button (S15/1)
- Left front door central locking interior switch (S85/5):
- Open central locking switch (S85/5s1)
- Close central locking switch (S85/5s2)
Left door LIN
The signals for the following components are read in via the left door LIN:
- Driver-side power window and outside mirror adjustment switch group (S20):
- Left front power window switch (S20s1)
- Right front power window switch (S20s2)
- Left rear power window switch (S20s3)
- Right rear power window switch (S20s4)
- Rear side window child safety lock switch (S20s5)
- Outside mirror fold-in/out switch (S20s9) (with code (249) Automatically dimming inside and outside mirror including folding outside mirrors, without code (494) USA version)
- Left outside mirror adjustment switch (S20s10)
- Right outside mirror adjustment switch (S20s11)
- Outside mirror adjustment switch (S20s12)
- Left front seat adjustment switch group (S22) (with code (275) Memory function (driver seat, steering column, outside mirror)):
- Left front head restraint adjustment switch (S22s1)
- Left front seat inclination adjustment switch (S22s2)
- Left front seat fore/aft adjustment switch (S22s3)
- Left front seat height adjustment switch (S22s4)
- Left front seat backrest adjustment switch (S22s5)
- Left front memory function switch (S22s6)
- Left front memory 1 switch (S22s7)
- Left front memory 2 switch (S22s8)
- Left front memory 3 switch (S22s9)
The left front door control unit supplies the connected control elements with c. 58d.
Interior CAN
The signals are read in by the left front door control unit via the interior CAN.
The functions that use these signals are described in the individual function descriptions
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 with the following connection:
- Direct lines
Direct lines
The following components are actuated via direct lines:
- Left front door central locking motor (A85m1)
- Additional door lock actuator motor for left front door (A85m4) (with code (885) Increased theft protection)
- Left outside mirror turn signal lamp (E6/5)
- Left front door exit and warning lamp (E173)
- Left front door handle illumination (E1711)
- Left front door warning lamp (E17/19)
- Left front door power window motor
- Left outside mirror (M21/1):
- Mirror dimming (M21/1h1) (with code (249) Automatically dimming inside and outside mirror including folding outside mirrors)
- Vertical inclination adjustment actuator motor (M21/1m1)
- Horizontal inclination adjustment actuator motor (M21/1m2)
- Outside mirror fold-in/out electric motor (M21/1m3) (with code (249) Automatically dimming inside and outside mirror including folding outside mirrors, without code (494) USA version)
- Mirror heater (M21/1r1)
- Readiness/warning indicator for left Blind Spot Assist (M21/1e2) (with code (234) Blind Spot Assist or code (237) Active Blind Spot Assist)
| Wiring diagram for left front door control unit (DCU) | PE72.29-P-2101-97EAA |