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Ideas for improvements:
- In MISC outputs: if using this output as a warning light, it would be nice if it could activate the output when lambda is way out of target, or trigger errors occur, and so on..
- I have built a relay in my car which activates the power to VEMS by either turning the ignition key on, or from a P259 output. The ECU also know if ignition is on/off by grounding one of the analog inputs. This makes it possible to get power supply to vems even when ignition is off, and then shut down itself a while after..
this makes it possible to improve:
- Coldstarts. if the engine's stall a short while after a coldstart, it doesnt need full coldstart enrichment because the combustion camber is hot. when restarting the engine it often results in flooded engine because of the large crank-enrichment, and the engine goes too rich a while after.. even the iac-valve-opening need to be different in these situations.
- it makes it possible to burn down adaption-values into flash. and maybe fault codes on SD-card ..
- When the cooling-fan is connected to VEMS, it makes it possible to run it after the ignition is turned off.
- turbotimer - the engine stays on a while after turning ignition off.
Schematics:
coming soon..