2013 Subaru TribecaFACTORY OEM SERVICE PROCEDURE

Diagnostic procedure

  1. Drive for 20 minutes or more at a constant speed of 80 km/h (50 MPH) or more.
  2. Stop the vehicle and idle for one minute.


  1. Drive at 10 km/h (6 MPH) or more.
  2. Stop the vehicle and idle for ten minutes.


Drive according to the drive pattern described below.

Fig 1: Vehicle Drive Pattern (Drive Cycle C)
G08544632Courtesy of SUBARU OF AMERICA, INC.


  1. Make sure that the battery voltage is 10.9 V or more.
  2. Perform the Clear Memory Mode. Refer to CLEAR MEMORY MODE 
  3. Drive for approximately 30 L (7.9 US gal, 6.6 Imp gal) of fuel.
NOTE:
  • It is acceptable to drive the vehicle intermittently.
  • Do not disconnect the battery terminals while diagnosing. (Data will be cleared by disconnecting the battery terminals.)


  1. Make sure that the engine coolant temperature is less than 30°C (86°F).
  2. Drive according to the drive pattern described below.
    Fig 1: Vehicle Drive Pattern (Drive Cycle F)
    G08544633Courtesy of SUBARU OF AMERICA, INC.
NOTE:
  • There is no given transition time between idling and cruising.
  • Driving at constant speed only on a downhill causes smaller engine load and may result in failure to obtain a right diagnostic result.
  • When the engine stops while performing drive cycle F, perform it again from the state of procedure 1).


  1. Perform the Clear Memory Mode. Refer to CLEAR MEMORY MODE 
  2. With the ignition switch ON (engine stopped), read the value in «Coolant Temp.» and «Intake Air Temp.». Refer to READ CURRENT DATA FOR ENGINE (NORMAL MODE) , OPERATION, Subaru Select Monitor
  3. If the values from step  2) satisfy the following conditions, idle the engine for one minute.

    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.
    • Hold the select lever in "P" range or "N" range at idling.


  1. Prepare the Subaru Select Monitor kit. Refer to PREPARATION TOOL , General Description
    Fig 1: Identifying Subaru Select Monitor
    G05658482Courtesy of SUBARU OF AMERICA, INC.
  2. Prepare PC with Subaru Select Monitor installed.
  3. Connect the USB cable to SDI (Subaru Diagnosis Interface) and USB port on the personal computer (dedicated port for the Subaru Select Monitor).
    NOTE: The dedicated port for the Subaru Select Monitor means the USB port which was used to install the Subaru Select Monitor.
  4. Connect the diagnosis cable to SDI.
  5. Connect SDI to data link connector located in the lower portion of the instrument panel (on the driver's side).
    CAUTION: Do not connect the scan tools except for Subaru Select Monitor and general scan tool.
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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