V90 L6-2.9L VIN 96 B6304S (1998)
Fuel Pump Relay: Description and Operation
Control of Fuel Pump
The engine control module (ECM) activates the main relay (2/32) when the ignition is switched ON. At the same time the fuel pump (FP) relay (2/23)
is activated for one second to enable the fuel pump (6/33) to build up pressure.
