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Forcing ICE on in P

Discussion in 'Gen 4 Prius Technical Discussion' started by The Professor, Oct 8, 2018.

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  1. alanclarkeau

    alanclarkeau Senior Member

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    On your first graph, I'm intrigued by what appears to be a slow ICE idle - or is it just being turned but not firing?
    upload_2018-10-10_9-32-30.png
     
    #21 alanclarkeau, Oct 9, 2018
  2. qettyz

    qettyz Active Member

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    I would guess that Hybrid Assistant picked that value from starting or shutdown of the engine. Logging was on in both cases.
     
    #22 qettyz, Oct 10, 2018
    Prodigyplace and alanclarkeau like this.
  3. goldfinger

    goldfinger Active Member

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    This feature is necessary for emissions inspection.
     
    #23 goldfinger, Oct 13, 2018
  4. thesalboy

    thesalboy Junior Member

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    For Primes, you have to hit the EV/HV button to put it into HV mode (turn off EV mode) for this to work.
     
    #24 thesalboy, Jun 27, 2021
  5. GoodOldBob

    GoodOldBob Junior Member

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    Thanks for describing this procedure. Toyota seems to really love these special "Chicken Dances" to activate special modes in their vehicles. And I live in fear of somehow accidentally activating one of these modes during the course of driving my Prius.

    - GoodOldBob
     
    #25 GoodOldBob, Nov 29, 2023
    Mendel Leisk likes this.
  6. ChapmanF

    ChapmanF Senior Member

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    They generally seem to have enough unlikely steps that I wouldn't be too worried about that. I still worry more about doing them right when I want to.
     
    #26 ChapmanF, Nov 29, 2023
  7. Mendel Leisk

    Mendel Leisk Senior Member

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    Off-topic: there may be another chicken dance for 5th gen, for getting piston to retract with the rear brakes, due to introduction of electronic parking brake.
     
    #27 Mendel Leisk, Nov 29, 2023
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