MS2 v3 CAN by Reverant - sequential ignition
I have got MS2 v3 can ecu from Reverant (for 00 NB miata)
I just purchase toyota cops and would like to connect them in sequential mode. Sequential ignition mode was in description for this ECU. I have got pinout of this ecu, but it has got only ign1 (coil for 1st ,4th cyl. ) and ign 2 output (coil for 2nd ,3rd cyl.) Do you think ,is it possible to connect Toyota coils in sequential mode? what set up changes do I need to do next (wasted spark - sequential, dwell from 4,5ms to 3,5ms while cranking and 3,5ms to 2,5ms standard)? Ecu pinout: Top connector: Pin Function 1 Inj Cyl 1 2 Inj Cyl 2 3 Inj Cyl 3 4 Inj Cyl 4 5 Fidle 6 Aux Out 1 7 Alternator Out 8 Clutch Switch 9 Neutral Switch 10 A/C switch 11 VICS/VTCS 12 Battery Light 13 MIL 14 A/C compressor 15 Coolant fan 16 A/C fan 17 Knock in 18 Aux Out 2 19 Tach out 20 Inj grounds 21 Inj grounds 22 Sys grounds 23 Sys grounds 24 12V 25 EBC out 26 27 Switch tables 28 29 PCM ground 30 31 32 33 34 VSS 35 PSP 36 Launch 37 Boost Hi/Lo Pinout for bottom connector: 1 Sensor ground 2 Sensor ground 9-19 Ground 20 IAT 21 CLT 22 TPS 23 O2 In 24 Crank In 25 Cam In 26 5V Out 28 12V In 31 IGN2 36 IGN1 37 Fuel Pump |
doesn't sound like it's able to in the current state. You'd need to ask Dimitris directly about your specific unit.
It depends what he has JS11, and the three LED circuits wired for. That's what you need to run 4 spark outputs (the middle LED circuit and using JS11). |
Sequential C and D are available on pins 3 and 4 on the lower connector.
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Thanks Dimitris, toyota cops just installed (in wasted ign mode as yet) car started without problem,dwell time I also changed.
Now I will try to connect it in sequential ign. mode, I hope it will run. Anybody here with MS 2 or 3 with sequential ign. and COPs installed? |
Sorry, not going to help BUT why is sequential ignition desired...it seems like a bit of a mission all the time.
Does it have spectacular advantages over normal ignition? |
I have it on my DIYPNP. Advantages for any engine are that you get lower cycles on the coils, individual cylinder timing is possible, more dwell charge time is available, and maybe something else I cant think of. Are any of these things super important must haves? No, or at least not for a relatively low rpm 4 cyl engine like the BP but other engines could benefit more from these advantages.
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Right, those features are well off my radar at the moment.
I see sequential all over the show in relation to MS tuning and wondered what the point was. Appreciate the answer though! |
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