Quote:
Originally Posted by geraldjust
hmm do you have hardware yourself to get started? Thats very ambitious! IF you ever get stuck somewhere let me know. Il nudge you in the right direction.
Ive mapped like 95% of the Canbus network so il can give some advice when you need it.
Also take into account there are some hardware differences between the Push Start and Turn key cars that have to deal with the Immo system and also how its wires thought he ECU harness. And Again also some other IDs in Auto AC cars vs Manual AC.
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Swapped car with Motec. As far as I understand it, the fuel level calculation is done outside of the Motec. The first tank of gas after the swap, the car read properly. My theory is that this happened because all throughout that first tank of gas, we removed/reconnected the battery a bunch of times, always "recalibrating" the gauge and thus it read correctly up until the end.
Subsequent tanks run out at 1/4 tank. If I disconnect the battery and reconnect it, it seems something gets recalibrated and the fuel gauge reads properly again, but it only lasts until I refill then it goes back to running out exactly at 1/4. I tried opening both sides of the tank to see if I could see anything wrong (the fuel gauge worked flawlessly for 5 years before the swap) and nothing seemed out of sorts... I believe also that if I clear codes on the other car ECUs (ABS/A/C, etc..) (the stock one is not there anymore), the fuel gauge starts reading correctly but again reverts back once I refill it.
Do you have any ideas? Thanks.