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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 117 (Engine Control System (DTC/Circuit Diagnosis) (VQ35DE) (Except Hybrid) (2 Of 3)) >> DTC/Circuit Diagnosis >> DTC P0524: Engine Oil Pressure >> DTC Logic >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:

If "DIAGNOSIS PROCEDURE " is unfinished, be sure to perform Step 3 and 4.

  1. PRECONDITIONING - 1

    If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.

    TEST CONDITION: 

    Before performing the following procedure, confirm that battery voltage is 11 V or more at idle. 

    GO TO STEP 2  .

  2. PRECONDITIONING - 2

    Is "Diagnosis Procedure" of DTC P0524 finished?

    YES 

    GO TO STEP 3  .

    NO 

    GO TO STEP 4  .

  3. PERFORM DTC CONFIRMATION PROCEDURE

    1. Start engine and warm it up to normal operating temperature.
    2. Maintain the following conditions for about 10 consecutive seconds.
      Selector lever P or N position
      Engine coolant temperature 70°C (158°F) or more
      Engine speed 1, 000 RPM or more
      NOTE:

      With engine speed set around 4, 000 RPM, the phenomenon can be reproduced more easily.

    3. Check DTC.

    Is DTC detected?

    YES 

    Proceed to DIAGNOSIS PROCEDURE .

    NO 

    INSPECTION END

  4. CHECK ENGINE OIL LEVEL

    Check engine oil level. Refer to INSPECTION .

    Is the inspection result normal?

    YES 

    GO TO STEP 5  .

    NO 

    Proceed to DIAGNOSIS PROCEDURE .

  5. CHECK ENGINE OIL PRESSURE

    G-20 With CONSULT

    1. Turn ignition switch ON.
    2. Select "DATA MONITOR" mode of "ENGINE" using CONSULT.
    3. Start the engine and check that "EOP SENSOR" changes, according to engine speeds.
      Monitor item Condition Value
      (Approx.)
      EOP SENSOR
      • Engine oil temperature: 80°C (176°F)
      • Selector lever: P or N position
      • Air conditioner switch: OFF
      • No load
      Engine speed:
      Idle
      1, 450 mV or more
      Engine speed:
      2, 000 RPM
      2, 850 mV or more

    G-21 Without CONSULT

    Check engine oil pressure. Refer to INSPECTION .

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Proceed to DIAGNOSIS PROCEDURE .