Fuel Pump Relay: Description and Operation

GF47.20-P-2010SM Component Description For The Fuel Pump Relay
- ENGINE 113.986 in MODEL 215, 220
- ENGINE 113.987 in MODEL 209
- ENGINE 113.988 in MODEL 203 up to Model Year 8
- ENGINE 113.989 in MODEL 171 up to Model Year 8





Type 171
N10/2 Rear SAM control unit with fuse and relay module
N10/2KA Fuel pump relay (plug position A)

The fuel pump relay is located on the SAM control unit along with the fuse and relay module in the rear of the vehicle, in the luggage compartment at the front on the left.





Models 203, 209
N10/2kA Fuel pump relay (plug position A)

The fuel pump relay is located on the SAM control unit along with the fuse and relay module in the rear of the vehicle (N10/2) in the luggage compartment below on the left.





Models 215, 220
K40/5kT Fuel pump relay (plug position T)

The fuel pump relay is located on the rear fuse and relay module (K40/5), at the left under the rear bench seat.





Function
K40/5kT Fuel pump relay
N10/2kA Fuel pump relay

The fuel pump relay will close its relay contact if it is actuated by the ME control unit (N3/10) from a ground signal on terminal 86. When the relay contact is closed the fuel pump (FP) (M3) will be connected over terminal 87 to terminal 30 (B+).