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Home >> Subaru >> 2016 >> WRX Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (Diagnostics) (2.0L) - Introduction >> Diagnostics for Engine Starting Failure >> Fuel Pump Circuit
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Fuel Pump Circuit

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode < Ref. to OPERATION , Clear Memory Mode. >, and Inspection Mode < Ref. to PROCEDURE , Inspection Mode. >.
DIAGNOSTIC 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 Subaru Select Monitor. Refer to "Active Test" for the procedures. < Ref. to ACTIVE TEST . >
Does the fuel pump emit operating sound? Check the fuel injector circuit. < Ref. to FUEL INJECTOR CIRCUIT , Diagnostics for Engine Starting Failure. > Display the DTC. < Ref. to OPERATION , Read Diagnostic Trouble Code (DTC). >