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Home >> Subaru >> 2009 >> Forester XT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Engine (Diagnostics) (H4DOTC) >> Drive Cycle >> Procedure >> Drive Cycle H
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Drive Cycle H

  1. Perform the Clear Memory Mode. Refer to CLEAR MEMORY MODE .
  2. With the ignition switch ON, read the engine coolant temperature, intake air temperature and fuel temperature. Refer to READ CURRENT DATA FOR ENGINE (NORMAL MODE) , OPERATION, Subaru Select Monitor.
  3. If the values from step 2) satisfy the following two conditions, start the engine.

    Condition: 

    /Engine coolant temperature - intake air temperature / ≥ 5°C (41 °F) 

    /Engine coolant temperature - Fuel temperature \ ≥ 2°C (36°F) 

    NOTE:
    • If the conditions are not satisfied, turn the ignition switch to OFF and wait until the parameters are satisfied.
    • Place the select lever in "P" range and start the engine.
  4. Idle the engine for 1 minute under the conditions in step 3).
DTC ITEM CONDITION CHART

DTC Item Condition
P1602 Control Module Programming Error -
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