Idle motor

[Ulmenkott]

Hi forum
I am converting a 650cc twin 4 stroke and got my hands on a trottle house from a BMW K1100. I will use only two of the body's of course. Now im stuck regarding the idle motor. It's a Bosch with part no 0 132 008 600.
Done a lot of search on google and such, but cant find any schematic or anything else to suggest what kind of motor this is.

Do anyone know if this is a stepper type or if i'ts controllable trough MicroSquirt.

regards
/Joakim

[Ulmenkott]

Ok, did this the hard way and opened it up.
It's a DC motor using only two pins. No feedback or anything. When i apply voltage to 2 of the pins the actuator raises and open the throttle a bit, when i reverse polarity the motor goes back to home position and close the throttle again.
If i leave voltage on, the motor hits the end position and it draws a lot of current. Ideally the motor would like +12 applied for about 1 sec to activate the raised idle, then reverse polarity for another sec to return to home position.

Could this type of idle controll work with MicroSquirt?

regards
/Joakim

[Matt Cramer]

The current firmware does not support this sort of IAC valve. You could conceivably get it working using an analog input for IAC position and some changes to the code.