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Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 175 (Automatic Transmission (Diagnostic Trouble Codes (DTCS) P0750-P2807 And Circuit Diagnosis) (Hybrid)) >> DTC / Circuit Diagnosis >> DTC P1888: Sub E-Oil Pump Relay >> Component Inspection (Sub Electric Oil Pump Relay) >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK SUB ELECTRIC OIL PUMP RELAY

    1. Disconnect sub electric oil pump relay. Refer to COMPONENT LOCATION .
    2. Apply 12V direct current between sub electric oil pump relay terminals 1 and 2.
      CAUTION:
      • Never make the terminals short.
      • Connect the fuse between the terminals when applying the voltage.
    3. Check the continuity between sub electric oil pump relay terminals 3 and 5.
      Sub electric oil pump relay Condition Continuity
      Terminal
      3 - 5 Apply 12 V direct current between terminals 1 and 2. Existed
      Does not apply 12 V direct current between terminals 1 and 2. Not existed

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Replace sub electric oil pump relay.