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Home >> Infiniti >> 2012 >> M37 x >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System - Component Testing >> Fuel Pump >> Component Function Check

Component Function Check

  1. CHECK FUEL PUMP FUNCTION 
    1. Turn ignition switch ON.
    2. Pinch fuel feed hose (1) with two fingers.
      Fig 1: Identifying Fuel Feed Hose Pinch Area
      G08649275Courtesy of NISSAN NORTH AMERICA, INC.

      Fuel pressure pulsation should be felt on the fuel feed hose for 1 second after ignition switch is turned ON. 

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: "DIAGNOSIS PROCEDURE ".