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Home >> Subaru >> 2000 >> Impreza Outback Sport F4-2.2L SOHC >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Description and Operation >> 12.Transmission Control Module >> G: Shift Pattern Select Control
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G: Shift Pattern Select Control








G: SHIFT PATTERN SELECT CONTROL
Shift pattern is selectable automatically between a base pattern suitable for ordinary economy running and a power pattern suitable for climbing uphill or rapid acceleration.
In the power pattern, the shift down point and shift up point are set higher than those of the base pattern.








Base Pattern To Power Pattern
Depending on throttle opening and vehicle speed, 16 areas as shown in the figure are set. Accelerator depression speed for pattern change over is set for each area.
When the accelerator depression speed exceeds this set value, the pattern changes from base to lower.





Power Pattern To Base Pattern
The power pattern is shifted to the base pattern, depending on car speed. Shifting to the base pattern is determined by the throttle position as shown in Figure below. Time lag in shifting is also determined by car speed. The maximum time lag is 3 seconds.