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Home >> Subaru >> 2002 >> Forester Base >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission (Mechanism & Function) >> Transmission Control Module (TCM) >> Shift Pattern Selection Control >> Base To Power Pattern Changeover
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Base To Power Pattern Changeover

BASE TO POWER PATTERN CHANGEOVER

Select lever D and 3 ranges
Accelerator depression speed Greater than each set value

The TCM has16 matrix cells corresponding different throttle opening and vehicle speeds, as shown below. Each cell is given a specific accelerator depression speed at which a Base to Power pattern changeover should occur.

When the accelerator depression speed exceeds the value given for any of the cells, the TCM selects the Power pattern.

Fig 1: Base To Power Pattern Changeover
G02861537Courtesy of SUBARU OF AMERICA, INC.