Manuals through 2025 now available!
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LEMON is the spiritual successor to CHARM, I recommend you try it!
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Transmission Control Systems: Description and Operation
Fig.23 Shift-up control system schematic.:
Vehicles with automatic transmissions are equipped with a shift control system,
FIG. 23 to reduce CO emissions during warmup. If engine is started while coolant temperature is within a specified range, the transmission is held in kick-down range for a pre-set time interval after
ignition switch is turned on.