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Home >> Subaru >> 2017 >> Forester 2.0XT Premium >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics - Introduction) (H4DOTC) >> Drive Cycle >> Procedure >> Drive Cycle N

Drive Cycle N

DTC Item Condition
P0016 CRANKSHAFT POSITION CAMSHAFT POSITION CORRELATION BANK 1 SENSOR A Coolant temperature 80°C (176°F) or more
P0017 CRANKSHAFT POSITION CAMSHAFT POSITION CORRELATION BANK 1 SENSOR B
P0018 CRANKSHAFT POSITION CAMSHAFT POSITION CORRELATION BANK 2 SENSOR A
P0019 CRANKSHAFT POSITION CAMSHAFT POSITION CORRELATION BANK 2 SENSOR B
WARNING: When performing drive cycle N on a public road, pay sufficient attention to the traffic condition and give the highest priority to safe driving.
  1. Check the data in condition column of table by using the Subaru Select Monitor or general scan tool.
    NOTE:
    1. Subaru Select Monitor

      For detailed procedures, refer to "Data Monitor". Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>Subaru Select Monitor>OPERATION>DATA MONITOR .

    2. General scan tool

      For detailed operation procedures, refer to the general scan tool operation manual.

  2. While the conditions in the list are satisfied, race the engine at the speed of approx. 2500 RPM for 40 seconds or more.
  3. Start to move the vehicle, then accelerate the vehicle to 50 km/h (31.1 MPH) or more.
  4. When the speed reaches 50 km/h (31.1 MPH) or more, release the accelerator pedal and brake pedal to decelerate the vehicle without shifting the gear. At this time, select an appropriate gear beforehand so that the engine speed falls within the range from 2500 RPM to 1900 RPM for 5 seconds or more.
    NOTE:
    • The vehicle speed does not matter so long as the engine speed can maintain from 2500 RPM to 1900 RPM for 5 seconds or more.

      Example: On a downhill grade, it can be performed with a low speed gear and at a low vehicle speed.

    • When it is performed with the electrical load such as the air conditioner, etc. turned OFF or the vehicle driven on a downhill grade, the engine speed decreases slowly. Therefore, the continuous time can be maintained easily.
  5. Bring the vehicle to a stop in a safe place, and idle it for 5 minutes or more.
    NOTE: Driving method while vehicle is driven to a stop at safe place is not restricted.
  6. With the vehicle idling, read the temporary diagnostic code of DTC using Subaru Select Monitor or general scan tool.
    NOTE:
    Fig 1: Drive Cycle Pattern (N)
    G11270504Courtesy of SUBARU OF AMERICA, INC.
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