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Home >> Subaru >> 2009 >> Tribeca Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Engine (Diagnostics) (H6DO) >> Drive Cycle >> Procedure >> Drive Cycle H
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Drive Cycle H

  1. Perform the Clear Memory Mode. Ref. to CLEAR MEMORY MODE .
  2. With the ignition switch ON, read the engine coolant temperature, intake air temperature and fuel temperature. Ref. 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.
    • Start AT vehicles in the P range, and MT vehicles in the N position.
    • Idle the engine for 1 minute under the conditions in step  2).

    Do not disconnect the battery terminals while diagnosing. (Data will be cleared by disconnecting the battery terminals.)
    DTC CHART

    DTC Item Condition
    *P1602 Control Module Programming Error -
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