312002095 - 1080BF DIFFERENTIAL PRESSURE SENSOR OPERATION CHECK (DPF)

POWER SUPPLY CHECK

  • Connect the positive probe of an Examiner in Voltmeter mode to terminal 1 of the pressure sensor and the negative probe to terminal 2
  • Turn the key to the MAR position
  • Read a voltage of around 5 Volts

PRESSURE SIGNAL CHECK

  • Connect the positive probe of an Examiner in Voltmeter mode to pin 1 of the pressure sensor and the negative probe to pin 2
  • With the engine running, read a voltage value that is directly proportional to the pressure detected in the particulate filter, as in the attached graph
PinFunction
1+5 Volts
2Earth
3Signal