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Home >> Subaru >> 2012 >> Forester X, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (Diagnostics) (H4DOTC) >> Diagnostics for Engine Starting Failure >> Fuel Pump Circuit

Fuel Pump Circuit

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode < Refer to OPERATION , Clear Memory Mode.>, and Inspection Mode < Refer to PROCEDURE , Inspection Mode.>.
DIAGNOSIS PROCEDURE

Step Check Yes No
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 the Subaru Select Monitor. For the procedures, refer to "Compulsory Valve Operation Check Mode". < Refer to COMPULSORY VALVE OPERATION CHECK MODE . >
Does the fuel pump emit operating sound? Check the fuel injector circuit. < Refer to FUEL INJECTOR CIRCUIT , Diagnostics for Engine Starting Failure.> Display the DTC. < Refer to OPERATION , Read Diagnostic Trouble Code (DTC).>