Vacuum pressure measurement

Prepare BMW diagnosis system on vacuum diagnosis unit.

1. Screw in pressure sensor.
2. Connect 12V battery cables (2) to vehicle battery positive and negative.
3. Connect 12V battery cables (3) to vehicle battery positive and negative (pump operation max. 3 mins.)  .
4. Controller for vacuum connection.
5. Vacuum connection (Red).
   Fig 1: Measuring Vacuum Pressure

   Courtesy of BMW OF NORTH AMERICA, INC.