2016 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE

Drive Cycle F

DTC Item Condition
P0096 Intake Air Temperature Sensor 2 Circuit Range/Performance Bank 1
  • 6 hours have elapsed since ignition switch is OFF under a completely warmed up condition.
  • For models with block heater, at least 6 hours must have elapsed without operating the block heater.
P0111 Intake Air Temperature Sensor 1 Circuit Range/Performance Bank 1
  • 6 hours have elapsed since ignition switch is OFF under a completely warmed up condition.
  • For models with block heater, at least 6 hours must have elapsed without operating the block heater.

Diagnostic procedure: 

  1. With the ignition switch ON (engine stopped), read the value in «Coolant Temp.» and «IAT Sensor #11». < Ref. to DISPLAY CURRENT ENGINE DATA , OPERATION, Subaru Select Monitor. >
  2. If the values from step  1) satisfy the following conditions, idle the engine for two minutes or more.

    Condition: 

    |Engine coolant temperature - Intake air temperature| ≤ 5°C (9°F) 

    NOTE:
    • If the conditions are not satisfied, turn the ignition switch to OFF and wait until the parameters are satisfied.
    • For CVT models, hold the select lever to "P" range or "N" range at idling, and for MT models, the shift lever in the neutral position at idling.
  3. Drive according to the drive pattern described below.
    Fig 1: Driving Pattern (Drive Cycle F)
    G10292560Courtesy of SUBARU OF AMERICA, INC.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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