Bosch 3 Wire ICV for ALS

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science
Posts: 13
Joined: Sun Oct 16, 2011 10:48 am

Bosch 3 Wire ICV for ALS

Post by science »

Is it possible to use a 3 wire Bosch ICV as an ALS valve? I know the 3 wire Bosch can be used using the Link to Aux 3 setting in the idle settings. It doesn't appear the ALS/AUX settings allow linking and PWM, just an output on AUX4.

Just figured I'd ask before looking for two wire ICV's.

Thanks
Rob Stevens
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ECU Model: S100 Pro
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Re: Bosch 3 Wire ICV for ALS

Post by Rob Stevens »

I understand that the valve is in a normal mid position and gets pulled one way or the other by grounding one of the 2 wires. So you could use it perhaps with a pull down resistor to ground on one lead to bias the valve closed in one direction and then use the other lead to open as the ALS valve.
Sounds like too much bother !
science
Posts: 13
Joined: Sun Oct 16, 2011 10:48 am

Re: Bosch 3 Wire ICV for ALS

Post by science »

Thanks Rob for the reply. I'm thinking about giving the pull-down resistor idea a shot just out of curiosity. I'll post back with results for posterity when/if I'm able to get around to it.
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