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Home >> Infiniti >> 2016 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 51 (Automatic Transmission (Diagnostic Trouble Codes (DTCS) P0750-P2807 And Circuit Diagnosis) (Hybrid)) >> DTC / Circuit Diagnosis >> DTC P1885: Sub Electric Oil Pump >> Diagnosis Procedure >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different variant/trim than selected.

  1. CHECK SUB ELECTRIC OIL PUMP STATOR COIL

    1. Turn ignition switch OFF and wait for 10 minutes or more.
    2. Disconnect the negative terminal from 12V battery.
    3. Disconnect sub electric oil pump connector.
    4. Check continuity between sub electric oil pump connector terminals.
      Sub electric oil pump Continuity
      Terminal
      1 - 2 Existed
      1 - 3
      2 - 3

    Is the inspection result normal?

    YES 

    GO TO STEP 2. 

    NO 

    Replace sub electric oil pump. Refer to REMOVAL AND INSTALLATION .

  2. CHECK HARNESS BETWEEN SUB ELECTRIC OIL PUMP INVERTER AND SUB ELECTRIC OIL PUMP

    1. Disconnect sub electric oil pump inverter connector.
    2. Check continuity between sub electric oil pump inverter harness connector terminals and sub electric oil pump harness connector terminals.
      Sub electric oil pump inverter Sub electric oil pump Continuity
      Connector Terminal Connector Terminal
      H3 9 C22 3 Existed
      H4 7 2
      10 1

    Is the inspection result normal?

    YES 

    Replace sub electric oil pump inverter. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace damaged parts.

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