Alexw Posted June 22, 2022 Report Share Posted June 22, 2022 Hi I'm setting up a G4X AtomX on a Daihatsu Charade G200 with a modified HE-E engine. Engine was previously running a EMS Stinger 4424. I also have a SR20 SR20DET silvia running a G4+ plugin, which has been great. Anyway, I'm having trouble setting up the trigger. I've tried a few settings, but have ended up using multitooth / missing, with trigger 1 reluctor, position cam, 4 tooth, 1/1/1 When I run the spark test, I get spark. To do this, I move the crank to TDC, and the spark comes out on #1. Great. So the ignitor, wiring and configuration for spark is correct. When I crank, I get a RPM value, but in the log, it seems to stop and start. There are errors shown. I get "Ign1 - Ignition" going green and showing active while cranking, but none of the plugs are getting spark. Attached are some logs, config, and some photos of the pickup in the distributor. Any ideas? Thanks!! PC Datalog - 2022-06-22 8;19;39 pm.llgx charade setup4.pclx Quote Link to comment Share on other sites More sharing options...
Adamw Posted June 22, 2022 Report Share Posted June 22, 2022 Trigger mode should be set to multi-tooth by the looks, you dont have any missing teeth. Quote Link to comment Share on other sites More sharing options...
Alexw Posted June 25, 2022 Author Report Share Posted June 25, 2022 Thanks. I've tried that, but I get a RPM signal in the logging that looks like a square wave - the RPM is not a constant line. Can I confirm how this should be wired? The traces I uploaded above were with the two wires to the reluctor pickup on trigger1 and trigger2. But this doesn't quite make sense to me, since the trigger ground should really be one of the wires, and this is really only a single reluctor with two wires. I tried two things - shorting the trigger gnd to the trigger 2 input, and then wiring the trigger1 and trigger2 inputs together. No dice. The way I'm looking at this, it's basically a 1 cylinder engine, since all the injectors are wired together in batch, and the ignition uses a distributor. Is that valid? My concern is that I have no real way of determining TDC over a 4 cylinder engine if the pickup is a 4 tooth symmetrical setup like this. Thanks Quote Link to comment Share on other sites More sharing options...
Adamw Posted June 25, 2022 Report Share Posted June 25, 2022 Hard to tell from your pic, but if it doesnt have a sensor on the upper wheel that has a single tooth and only has a sensor on the lower 4 tooth wheel then you need to set trigger 2 sync mode to none. 1 wire to ground the other to trig 1. Alexw 1 Quote Link to comment Share on other sites More sharing options...
Alexw Posted June 25, 2022 Author Report Share Posted June 25, 2022 Nailed it. This works. Quote Link to comment Share on other sites More sharing options...
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