FixVault

Fuel Pump Circuit

CAUTION: After repair or replacement of faulty parts, conduct Clear Memory Mode < Ref. to , OPERATION , Clear Memory Mode.> and Inspection Mode < Ref. to , PROCEDURE , Inspection Mode.>.

WIRING DIAGRAM: 

Fig 1: Wiring Diagram - Fuel Pump Circuit
G03829970Courtesy of SUBARU OF AMERICA, INC.
DIAGNOSTIC PROCEDURE (FUEL PUMP CIRCUIT)

Step Check Yes No

CHECK OPERATING SOUND OF FUEL PUMP. 
Make sure that fuel pump is in operation for 2 seconds when turning the ignition switch to ON.
NOTE: Fuel pump operation can also be executed using Subaru Select Monitor.
Refer to "Compulsory Valve Operation Check Mode" for procedures. < Ref. to , COMPULSORY VALVE OPERATION CHECK MODE . >
Does the fuel pump produce operating sound? Check the fuel injector circuit. < Ref. to , FUEL INJECTOR CIRCUIT , Diagnostics for Engine Starting Failure. > Display DTC. < Ref. to , OPERATION , Read Diagnostic Trouble Code (DTC). >