SPORT shifting program
| SPORT shifting program |
A spring-loaded switch on top of the selector lever makes it possible to switch between shifting programs NORMAL and SPORT. The switch has two connections, one to control module pin 17 (A) and the other to grounding point G41S. The control module feeds B+ plus from pin 17 (A). When the button is depressed, the circuit to ground is closed, switching between the two shifting programs.
SPORT can be activated in gear positions N, D, 4, 3 and L.
The NORMAL program is always engaged from starting.
Information on the current shifting program is sent on the bus from TCM (used by MIU and Trionic) as SPORT, unit ON/OFF. When SPORT is selected, bus information “SPORT ON” is sent. In this position, Trionic increases the request air mass/combustion, i.e. the throttle valve angle changes to increase output at the same pedal position. The throttle angle does not change until the position of the accelerator pedal deviates from the position it was in when the SPORT button was depressed. This change adapts the shifting points to the performance. Shifting points for a light throttle opening and wide open throttle are identical for both programs, however. The SPORT indicator lamp is turned on by the main instrument unit when the SPORT program is selected.
The SPORT program is disengaged:
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when the switch is pressed again
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if the selector lever is moved to P or R
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if the ignition key is turned to OFF
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when Limp-Home mode is activated
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when the WINTER shifting program is activated.
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