Troubleshooting ECU drivers and the ISC - GalantVR4.org
Nov 16, 2014 · I'll test the ISC tomorrow to confirm it's bad, but suffice it to say something bad happened and completely fried the ISC driver. The ECU seemed fine up until recently, when I …
ECU/ISC Driver question - GalantVR4.org
Aug 31, 2013 · As I work through many, many issues with 1587, I have found that I have a blown ISC driver (IC105). According to ECM Tuning, the drivers do the following functions: IC104 …
Let's talk FIAV and ISC block off plates! - GalantVR4.org
Apr 1, 2011 · The ISC did just fine, though as stated already - took a few more cranks and sometimes a second of throttle to get it idling normally. Btw, 3 out of 4 adjusters were easy as …
Setting BISS and ISC Range - galantvr4.org
May 11, 2008 · Once you ground them and set the idle to spec with the BISS your ISC reading after that will change with temperature, electrical load, AC load, PS load, and probably a …
ISC open too much during idle - galantvr4.org
Jul 31, 2015 · The ISC stays around 76 or 77 steps during normal idle, while the engine is around 1500 rpm. If I ground the connector on the firewall, the ISC steps drop down to 9 or 10, and …
ISC replacement options. - GalantVR4.org
May 20, 2016 · Seems the ISC driver kursploded from a short, which explains why it was unplugged. The OEM replacement seems to be big money. Has anyone had any luck with the …
What is Proper ISC Voltage and where to check? - galantvr4.org
Aug 11, 2010 · Have you pulled your ISC and make sure it moved like in the youtube video I keep linking on Tuners? After bootim the ECU homes the ISC by stepping it all the way out, then …
FIAV and ISC removal - GalantVR4.org
Apr 3, 2004 · The ISC basically gives you temp dependant idle changes. Good for a normal car I would think but I don't need it anymore. I"ll set the idle for warmed up and just crack the …
isc not working - GalantVR4.org
Aug 13, 2010 · So replaced the ISC after my last ecu blew a driver, I replaced the ecu and rewired the pump as some of you may remember, I have a bad idle surge now, and I adjusted the biss …
ECM link tuning... - GalantVR4.org
Aug 20, 2011 · OP, if your car has boost leaks, misadjusted TPS, misadjusted ISC, misadjusted base ignition timing, dead o2, over heating, forget it dude. Make sure all this stuff is functioning …