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Home >> Infiniti >> 2019 >> QX50 Pure, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (11 Of 12) >> DTC/Circuit Diagnosis >> Direct Fuel Injector >> Component Inspection (Direct Fuel Injector Relay)
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Component Inspection (Direct Fuel Injector Relay)

  1. CHECK DIRECT FUEL INJECTOR RELAY 1 AND 2 
    1. Turn ignition switch OFF.
    2. Remove direct fuel injector relay 1 and 2. Refer to Component Location .
    3. Check the continuity between direct fuel injector relay 1 and 2 terminals as per the following conditions.

      Direct fuel injector relay 1 and 2

      Condition

      Continuity

      +

      -

      Terminal

      1

      2

      12 V direct current supply between terminals 3 and 4

      Existed

      No current supply

      Not existed

      6

      7

      12 V direct current supply between terminals 8 and 9

      Existed

      No current supply

      Not existed

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace direct fuel injector relay 1 and 2. Refer to Component Location .