US Shift 4R70W Installation And Operation Manual page 10

Step 7: Throttle Position Sensor Calibration
Set the Closed Throttle and Full Throttle Positions. This step should be done
with the ignition turned to "ON", but the engine off. The engine should also be
warm.
Turn the knob to "Tune" (tnE) and click once. "Closed Throttle Position" (CtP)
should be displayed. Leave the accelerator untouched. Click the knob once,
then double-click to set the current Closed Throttle Position. Click again to exit.
Turn the knob to "Full Throttle Position" (FtP). Hold the accelerator all the way
down. Click the knob once, then double-click to set the current Full Throttle
Position. Click again to exit.
Turn the knob to "Save and Exit" (SAE). Click once to save and exit.
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