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Home >> Infiniti >> 2011 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Component Testing >> High Pressure Fuel Pump >> Component Inspection

Component Inspection

  1. CHECK HIGH PRESSURE FUEL PUMP SOLENOID
    1. Turn ignition switch OFF.
    2. Disconnect high pressure fuel pump harness connector.
    3. Check the resistance between high pressure fuel pump connector terminals as per the following.
      RESISTANCE SPECIFICATION

      + - Condition Resistance
      High pressure fuel pump
      Terminal
      1 2 Temperature 20 - 30°C (68 - 86°F) 9 - 11 Ω

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Replace high pressure fuel pump. Refer to "REMOVAL AND INSTALLATION ".

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