Toyspeed.org.nz Message Board

by **AW11 Turbo** » Mon May 10, 2010 4:33 am

can anyone tell me which type the ISC Valve on a ST215 is?
i've some troubles controlling it with my haltech e8

this is how i've wired it:
Pin1 BAC output Haltech
Pin2 +12V
Pin3 GND

by **fivebob** » Mon May 10, 2010 10:04 am

**EDIT
Stock wiring is;

Pin 1 - ECU (PWM sink to earth via RSO Pin)
Pin 2 - +12v
Pin 3 - GND

by **AW11 Turbo** » Mon May 10, 2010 10:08 am

are you sure???

is this wiring diagram wrong?

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by **fivebob** » Mon May 10, 2010 10:14 am

Oops, I read it wrong, your wiring is correct :oops:

by **AW11 Turbo** » Mon May 10, 2010 10:24 am

ok

is it right that the coil witch is under permanent current closes the isc and with the second one i can open it?
should be a rotary one? (i havent open it while rebuilding the engine)

by **fivebob** » Mon May 10, 2010 11:36 am

Not sure, here is the only info I have. if you can translate it you may have the answer

by **Pirken** » Fri Jan 13, 2012 12:23 am

Did you manage to get it to woork ? I have the same problem with my st215 and AEM ems. I can only get it to open half up. When the AEM is on 100% open the valve is only at 50% opening.

by **sergei** » Fri Jan 13, 2012 8:08 am

What part of diagram you want translated?

Here is the explanation how Toyota ISC works:
http://www.autoshop101.com/forms/h26.pdf

Scroll down to rotary type of ISC.

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