GF82.20-P-4101-02T Overhead Control Panel Control Unit, Purpose

GF82.20-P-4101-02T Overhead Control Panel Control Unit, Purpose

The overhead control panel control unit (N70) has the following tasks:
^ Control of the dimmer functions of the inside rearview mirror unit (A67) and the outside mirrors (if equipped)
^ Control of interior lights
^ Control of symbol lighting
^ Control of "light ring" ambiance illumination with ELEGANCE and AVANTGARDE equipment

Reading in the integral switches:
^ Roof system switch (N70s1)
^ Rear dome lamp switch (N70s2)
^ Door contact ON and OFF switch (N70s3)
^ Dome lamp ON and OFF switch (N70s4)
^ Left front reading lamp switch (N70s6)
^ Right front reading lamp switch (N70s7)
^ SOS switch (S93/3s1) (if equipped)
^ Towing sensor switch (S93/3s2)
^ IMS [IRS] switch (S93/3s3)

Reading in sensors:
^ Rain/light sensor (B38/2)
^ In-car temperature sensor (N70b1)

Reading in:
^ Components of the interior mirror unit (A67)

Actuating:
^ Ambient lamp (A67e3)
^ Integral front dome lamp (N70e1), the left reading lamp (A67/ e1) and the right reading lamp (A67e2)

Voltage supply:
^ Rear interior lamp (E15/3) Left front vanity mirror illumination (E14/6)
^ Right front vanity mirror illumination (E14/7)

The overhead control panel control unit (N70) is connected to the interior CAN bus for exchanging data.