Manifold Pressure/Vacuum Sensor: Description and Operation

EVAP System With Monitoring Devises:

The pressure sensor (B5/2) detects the intake manifold absolute pressure, or when the purge switch-over valve (Y27/6) is activated, the pressure in the line between the charcoal canister and the purge control valve. This voltage signal is sent to the diagnostic module (N59).

Diagnostic Module Pressure Sensor (B5/2) Pressure/Output Voltage Chart:

Input voltage to sensor = 5 V
U = Output voltage from sensor (volts)
Pabs = Pressure absolute (bar)