Sub-throttle actuator stepper motor - how to control

[Kristian_Wraae]

I was wondering how to control the sub-throttle stepper motor on the 2JZ-GTE.

I have done a 2JZ swap into my mk3. I want to see if I can use the sub-throttle stepper motor to control traction and reduce the stress on the automatic gearbox between shifts.

So does anyone know how this thing wires up?

I have a stand alone gearbox controller that according to the documentation can control a stepper motor.

This is the diagram from the TSRM: