Rear control unit, task - GF54.21-P-4133-01Q

WARNING: This page is about a different car, the 2009 Mercedes-Benz CLK350 and 2008 Mercedes-Benz CLK350. However, it is still accessible from the selected car via links, so may be relevant.

Task

Actuation of the following consumers:

Left rear power window motor (M10/5)
Right rear power window motor (M10/6)
Left seat belt extender (A10)
Right seat belt extender (A11)
Switch and controls illumination of left rear power window switch (S21/3) and right rear power window switch (S21/4)

Reading in the following switches:

Left rear power window switch (S21/3) (voltage-coded)
Right rear power window switch (S21/4) (voltage-coded)

Scanning the following sensors:

Hall sensors of the left rear power window motor (M10/5)
Hall sensors of the right rear power window motor (M10/6)
Hall sensors of the left seat belt extender (A10)
Hall sensors of the right seat belt extender (A11)

Through the information conveyed from the hall sensors the rear control unit (N22/6) can determine the positions of the rear side windows and, when blocking is detected, terminate the actuation of the left rear power window motor (M10/5) or right rear power window motor (M10/6).

The requests from the following switches are read in by the left door control unit (N69/1) and are passed on to the rear control unit (N22/6) via CAN class B:

Left rear power window switch (S20/1s3) to the driver power window switch group (S20/1)
Right rear power window switch (S20/1s4) to the driver power window switch group (S20/1)
Switch operation of the rear side windows child safety lock switch (S20/1s5) to the driver power window switch group (S20/1)