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Home >> Subaru >> 2006 >> Legacy GT spec.B >> Repair and Diagnosis >> External Pages >> Different car >> Section 63 (Engine Controls - Engine (Diagnostics) (H6DO)) >> Diagnostics for Engine Starting Failure >> Fuel Pump Circuit

Fuel Pump Circuit

WARNING: This page is about a different car, the 2006 Subaru Outback. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: After repair or replacement of faulty parts, perform Clear Memory Mode < Ref. to OPERATION , Clear Memory Mode. > and Inspection Mode < Ref. to PROCEDURE , Inspection Mode. >.

WIRING DIAGRAM: 

Fig 1: Fuel Pump Control Unit - Wiring Diagram
G05019023
FUEL PUMP CIRCUIT - 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 also be executed using Subaru Select Monitor.
Regarding the procedures, refer to "Compulsory Valve Operation Check Mode". < Ref. to COMPULSORY VALVE OPERATION CHECK MODE . >
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). >