CL 550 4MATIC (216.386) V8-5.5L (273.961) (2009)
Door Module: Description and Operation
GF72.29-P-4124LA Left Door Control Unit, Component Description
GF72.29-P-4124LA Left Door Control Unit, Component Description
- as of model year 09
Component Identification
Location
The left door control unit is located on the door module of the left door behind the door panel.
Task
The left door control unit has the following tasks:
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Reading in of sensors, pickups and signals
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Evaluation of input factors
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Controlling function sequences
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Actuation of components
Reading in of sensors, pickups and signals
The input factors are read in with the following connections:
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Direct line
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Front door LIN
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Interior CAN
Direct line
The following sensors are read in via a direct line:
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Driver door infrared sensor (B58)
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Hall sensors of left front power window motor (M10/3)
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Mirror up/down adjustment potentiometer (M21/1r2)
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Mirror in/out adjustment potentiometer (M21/1r3)
The following switches are read in via a direct line:
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Left rotary tumbler switch (A85s1)
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Left drive lock pawl switch (A85s2)
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Left safety limit switch (A85s3)
The following signals are read in via a direct line:
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Circuit 30
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Tml. 31
Front door LIN
The following switches are read in via front door LIN:
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Driver power window outside mirror and trunk lid switch group (S20/1)
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Left front power window switch (S20/1s1)
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Right front power window switch (S20/1s2)
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Left rear power window switch (S20/1s3)
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Right rear power window switch (S20/1s4)
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Rear side windows child safety lock switch (S20/1s5)