Circuit Diagram for an Automatic Soft Close System

The electronics for controlling and monitoring the function are located in the Automatic Soft Close function drive.

The sensors for the Automatic Soft Close function are Hall-effect sensors and are located in the locks. The Hall sensors are built into the lock of each vehicle door. One Hall sensor is for the locking pawl, the other for the rotary striker.

Fig 1: Automatic Soft Close System Circuit Diagram

Courtesy of BMW OF NORTH AMERICA, INC.

The Automatic Soft Close function analyzes the status of the Hall sensors. The Automatic Soft Close drive units are operated or moved back to their starting position according to status.

The Automatic Soft Close function drive is connected to lock by way of a Bowden cable and a 3 wire cable.

The following illustration shows where the Automatic Soft Close function drives are fitted.

Fig 2: Location Of F01/F02 Automatic Soft Close System

Courtesy of BMW OF NORTH AMERICA, INC.