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ChapmanF, you are free to discuss PSD as if it were THS (the topic of this thread) and to assume that there is no difference between Toyota...
Elektroingenieur, I found DTCs but no mention of PIDs in TIS. Am I missing something? Toyota must have details of their PIDs somewhere, but they...
This theoretical discussion has not much predictive value. We can imagine sensors wherever we wish, but it would be good to know where Toyota...
This is drifting off the original topic of the thread (What happens to ICE torque in N? ... which I think has been largely answered thanks to...
Apologies to ChapmanF (and Fred_H?) 1. I tested a 2006 Honda Civic 1.8l VTi auto, and it is also easier to rotate a front wheel forward with ICE...
The link is live for me, but in case it is problematic here are some of the figs: [ATTACH] [ATTACH] They are for the 2.5l engine (Camry rav4 etc...
No, the simple Torque / HSD model applies only during steady state (so the first post was correct to use it as an approximation). It does not...
From what I understand, it is not always but rather when: (i) all friction is ignored, (ii) the system is in steady state (no acceleration etc),...
Yes, I know, neutral has been discussed many times in PriusChat. But where I checked, the ‘explanations’ were a bit glib, and the threads diverged...
Bernie, from memory Dr Prius can do it. But I would not go there first. Can you log the relevant OBD PIDs and use the resulting plot to show your...
So I take it there is no experimental evidence for regenerative braking by MG1? I have not seen such evidence either (though opinion seems to be...
Sorry if I have misunderstood your ideas ChapmanF. Wow those ideas are complex. My logs of Toyota PiDs in real life seem much simpler; but the way...
Sorry vvillovv for confusion over ‘which engine braking’. I was thinking (out loud) about braking in a modern Toyota hybrid. e-CVT, so no belts,...
Nice summary ChapmanF. I am not sure whether the Ford patent graphs are based on measurement, theory or imagination. Patents do not require any...
There seem to be different opinions about the relative importance of various factors in engine braking, based on (a) thermodynamic theory of ideal...
Interesting. I did not know about the vacuum effect until ChapmanF raised it. I would love to see an energy budget for the various contributions...
I think Prof is right, because heating means the energy recovery will be a lot less than 100%. But I learned a lot from ChapmanF, especially about...
Toyota does use higher-level protocols and a gateway ECU between OBD port (DLC3) and car CAN bus, but I can not find any disclosure of effects on...
Though I guess too many logged OBD requests could undesirably increase the load on an already-busy ECU. For example, the Hybrid Control ECU alone...
