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Ignition upgrade
Posted: Mon Apr 27, 2015 3:25 pm
by m2cupcar
New driver added to ignition in place of XOR gate. 100k resistors from JP7/JP8 to ground. <That fixed noise issue with load jumper in place that was creating spark at plugs.
Sequential Injection
Posted: Mon Apr 27, 2015 3:34 pm
by m2cupcar
Firmware updated for sequential injection. Added corresponding LEDs to the A3 board.
Jaguar A3 on JimStim running sequential:
https://www.youtube.com/watch?v=G2fuLxa8KhA
Ignition signal
Posted: Mon Apr 27, 2015 3:42 pm
by m2cupcar
Proper ignition signal attained using stock Miata (Mitsu 4+2) CAS.
temp sensor resistance curve
Posted: Mon Apr 27, 2015 4:13 pm
by m2cupcar
Two stock Mazda Mx-5 Miata coolant temp sensors resistance:
EMStudio in Win 7 VM on Mac OS
Posted: Mon Apr 27, 2015 4:16 pm
by m2cupcar
I did all of my Jag bench sorting in a Win 7 VM on a Mac OS desktop running EMSTune/studio with JimStim and factory Mx5/Miata harness/connector.
https://www.youtube.com/watch?v=7WLMoTb02Y8
Offset
Posted: Mon Apr 27, 2015 4:19 pm
by m2cupcar
Got my CAS offset dialed in using Fred's patented "shoot, shoot again" method changing the hex in EMStudio/tune.
Plugs pulled, spins easy:
https://www.youtube.com/watch?v=ZFnB6m3YYEQ
First start
Posted: Mon Apr 27, 2015 4:21 pm
by m2cupcar
Actually second attempt just minutes after the first. Was obvious it wanted more fuel so I bumped the lower zones/cells roughly 40% and this happened:
https://www.youtube.com/watch?v=F5eNhSxHWKs
Log screen shot
Posted: Mon Apr 27, 2015 9:32 pm
by m2cupcar
Screen shot from first start log