LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2013 >> Altima Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Component Testing (Qr25DE) (Sedan) >> Fuel Pump >> Component Function Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Function Check

Condition Fuel pump operation
Ignition switch is turned to ON. Operates for 1 second.
Engine running and cranking Operates.
When engine is stopped Stops in 1.5 seconds.
Except as shown above Stops.
  1. CHECK FUEL PUMP FUNCTION 
    1. Turn ignition switch ON.
    2. Pinch fuel feed hose with two fingers.

      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 >> Proceed to "DIAGNOSIS PROCEDURE ".