LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2016 >> Q50 Base, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System (DTCS) (Except Hybrid) (3 Of 5) >> DTC/Circuit Diagnosis >> DTC P0628: Fuel Pump Control >> Fuel Pump Control Module (FPCM) >> Component Inspection (Fuel Pump) >> Diagnostic Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Test

  1. CHECK FUEL PUMP

    1. Turn ignition switch OFF.
    2. Disconnect fuel level sensor unit and fuel pump harness connector.
    3. Check resistance between fuel level sensor unit and fuel pump terminals.
      Terminals Condition Resistance
      5 and 6 Temperature: 25°C (77°F) 0.2 - 5.0 Ω

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Replace fuel pump. Refer to REMOVAL AND INSTALLATION .