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Fuel Pump Circuit

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode Refer to ENGINE (DIAGNOSTICS) (W/O STI)>CLEAR MEMORY MODE>OPERATION ., and inspection mode Refer to ENGINE (DIAGNOSTICS) (W/O STI)>INSPECTION MODE>PROCEDURE .
  1. CHECK OPERATING SOUND OF FUEL PUMP. 

    Make sure that the fuel pump operates for two seconds when turning the ignition switch to ON.

    NOTE: Fuel pump operation can be executed using Subaru Select Monitor.
    For detailed operation procedures, refer to the "Active Test" Refer to ENGINE (DIAGNOSTICS) (W/O STI)>ACTIVE TEST .

    Does the fuel pump emit operating sound?

    Yes:  Check the fuel injector circuit Refer to ENGINE (DIAGNOSTICS) (W/O STI)>DIAGNOSTICS FOR ENGINE STARTING FAILURE>FUEL INJECTOR CIRCUIT .

    No:  Display the DTC. Refer to ENGINE (DIAGNOSTICS) (W/O STI)>READ DIAGNOSTIC TROUBLE CODE (DTC)>OPERATION .