2.2.20. SPN 107, FMI 31, Air filter pressure: Sensor active at init state.ΒΆ

Description

The air filter pressure sensor indicates blocked filter even though engine is not running.

Possible causes are:

  • The air filter pressure sensor wiring is defective.
  • The air filter sensor is defective.

Reaction in EEM

The FC is stored and the warning lamp is activated. The CAN message indicates an active fault.

Solution

First save the error log and then do the procedure that follows:

  • Check the air filter pressure sensor wiring, the connectors and the contact surfaces of the connector pins (possible oxidation).
  • Check the operation with another air filter pressure sensor to see if the air filter pressure sensor is defective.