Air Injection Pump: Description and Operation

Located under the generator.

The maximum current draw is 35 A at 12 V and a maximum back pressure of 150 mbar.

The AIR check valve was eliminated. This function is taken over by the secondary air injection (AIR) shut-off valve





Activation of the electrical AIR pump (M33) is accomplished by the engine control module (HFM-SFI) (N3/4) via the AIR relay module (K17).