Vacuum pressure measurement

Prepare diagnosis tester on vacuum diagnosis unit.

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

   Courtesy of BMW OF NORTH AMERICA, INC.