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Home >> Infiniti >> 2023 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Diagnostics) (1 Of 2) >> Component Parts /Circuit Diagnosis >> High Pressure Fuel Pump Relay >> Component Inspection
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Component Inspection

  1. CHECK HIGH PRESSURE FUEL PUMP RELAY 
    1. Turn ignition switch OFF.
    2. Remove high pressure fuel pump relay.
    3. Check the continuity between high pressure fuel pump relay terminals as per the following conditions.

      +

      -

      Conditions

      Continuity

      High pressure fuel pump relay

      Terminal

      3

      5

      12 V direct current supply between terminals 1 and 2

      Existed

      No current supply

      Not existed

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace high pressure fuel pump relay.