Purpose

The left front door control module (N69/1) connected to the CAN B bus serves for

- control of the left front power window motor (M10/3)
- control of all other power window motor (M10/4, M10/5, M10/6) via the CAN bus and the affected door control modules (N69/2, N69/3, N69/4)
- control and operation of the left electrically adjustable and heated exterior rearview mirror (M21/1)
- operation of the right electrically adjustable and heated exterior rearview mirror (M21/2) via CAN bus and the right front door control module (N69/2)
- actuation of interior lights and pushbutton unit illumination
- actuation of turn signal lamps in the left exterior rearview mirror
- actuation of the solenoid valve for power locking and

The door control module reads in the following switch states signals:

- Power window switch including rear power window safety switch (S20/1s5) in the left front power window switch group (S20/1)
- Remote trunk release switch (S20/1s6) in the left front power window switch group (S20/1)
- Left front door lock switch (CF) (S86/1)
- Seat adjustment switch, driver's seat
- Heated seat switch, driver's seat
- Seat ventilation switch, driver's seat
- Memory switch with associated "ergonomic" button for storing and calling positions for driver's seat interior and exterior rearview mirrors as well as steering column
- Left front door power locking drive pawl microswitch (S86/2)
- Potentiometer for position recognition of the left electrically adjustable and heated exterior rearview mirror (M21/1)
- Left front door IR receiver (A26/1)