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Fuel Pump Circuit

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode Ref. to ENGINE (DIAGNOSTICS) (EXCEPT FOR STI)>Clear Memory Mode>OPERATION , and inspection mode Ref. to ENGINE (DIAGNOSTICS) (EXCEPT FOR 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". Ref. to ENGINE (DIAGNOSTICS) (EXCEPT FOR STI)>Active Test .

    Does the fuel pump emit operating sound?

    Yes:  Check the fuel injector circuit. Ref. to ENGINE (DIAGNOSTICS) (EXCEPT FOR STI)>Diagnostics for Engine Starting Failure>FUEL INJECTOR CIRCUIT .

    No:  Display the DTC. Ref. to ENGINE (DIAGNOSTICS) (EXCEPT FOR STI)>Read Diagnostic Trouble Code (DTC)>OPERATION .

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