Gear Recognition - Porsche 2012 911 GT3 CUP Technical Manual

5.6.

Gear recognition

5.6.1. Gearbox potentiometer calibration
5.6.2. Gearbox potentiometer adaption
To determine electronically the gear selected a potentiometer, in which a
defined current drops subject to the gear selected, is mounted to the
gearbox. The gear recognition is required for the power interruption when
shifting gear..
The gear position sensor must be recalibrated after repairs are carried
out on the gearbox or if the gear ratios are changed..
Turn on the ignition and switch to GEARSEN in the "Warm up

Modus" in the MoTeC display
rd
 Select 3 gear. Turn the wheels to ensure that 3
correctly engaged
The value in the display must be 2.64 V, the display must show

rd
3 gear, for this purpose change to either 'Race' or 'Practice
Modus' (no gear display in 'Warm-up Modus')
 In addition the voltage for the other gears should be checked
(see 10.7.1)
The 911 GT3 Cup 2012 gear recognition is equipped with adaption which
constantly compares and when necessary corrects the gearbox
potentiometer with the calibrated value.
This adaption only functions within specific limits, therefore it is absolutely
necessary that the manual calibration in 3
meticulously.
Gearbox potentiometer
rd
rd
gear is carried out
gear is also
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