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| − | This is an Initial Page for the '''EAA-PHEV''' Projects.<br>
| + | #redirect [[EAA-PHEV:PHEV]] |
| − | Which will focus on the Prius Plus Conversions for the moment.
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| − | | |
| − | ==Maillist==
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| − | See the [http://www.seattleeva.org/maillist/eaa-phev.html Maillist]
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| − | for past messages and instructions for joining the list.<br>
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| − | An archive of the maillist can also be found here http://groups.yahoo.com/group/eaa-phev.<br>
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| − | Those who join the group are reminded to observe standard email etiquette
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| − | and be respectful of each other. The information is provided as a public
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| − | service and the EAA assumes no liability for its use. Anyone modifying a
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| − | Prius or other vehicle does so at their own risk and may void their
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| − | manufacturer's warranty.
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| − | | |
| − | ==Disclaimer==
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| − | *'''Use this information at your own risk''', there is '''no warranty''' expressed nor implied. Even should you perform these modifications to the letter you could still cause damage to any number of components in you Prius and cause it to no longer funcion. In performing some of these modifications you may also '''void your warrenty with Toyota'''.
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| − | *'''HV warning:''' The Prius Traction Battery is a HV (High Voltage) Battery and could cause '''serious injury or death''' if proper precautions are not taken while working with it.
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| − | | |
| − | ==Terms==
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| − | *'''MFD''' is the '''M'''ulti-'''F'''unction '''D'''isplay, or the Touch Screen which is standard on all Prii.
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| − | *'''CAN''' is the communications network within the Prius which all the computer systems use to communicate.
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| − | | |
| − | ==EV-Mode==
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| − | * Enabling the [[User:Rjf/Prius_Modifications#Enabling_EV-mode_Button_.22H14_.2327_to_ground.22| EV-Mode Button]]
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| − | | |
| − | Here is the minimum needed in terms of a computer for spoofing the Prius' built-in BMS:
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| − | * CAN message reading and parsing (CAN bus writing is NOT necessary or even desirable)
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| − | * '''The ability to separately close and open two reed switch contacts based on CAN information'''
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| − | ** one to set EV-only mode, based on it not already being set, speed <34 mph, power request <120 (out of 200), SOC >49%, and a few other parameters.
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| − | ** one to set a voltage boost (to be explained later) to keep perceived SOC within a given range until the battery is sufficiently depleted
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| − | * Amp-hour integration and display from the appropriate CAN bus messages
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| − | * HV battery voltage and current display (both analog and digital desirable) from the appropriate CAN bus messages
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| − | * Display of trip info (since reset): # of CAN errors (important for debugging), odometer, milligallons of gasoline used, Amp-hr and/or kWh used, trip milligallon/mi, Wh/mi, and mpg, highest peak charge and discharge currents, highest and lowest HV battery voltages, and the battery's internal resistance (beginning, current, and end)
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| − | | |
| − | Additional displays, desirable but not necessary:
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| − | *Not strictly necessary, but SUPER desirable: storage of CAN trip running data on a removable medium (like a CompactFlash card) for later analysis.
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| − | * Small graphical engine tachometer (but see rectangular suggestion below)
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| − | * Gasoline use rate (milligallon/min and/or milligallon/mi (inverse of mpg), or just a binary for gasoline being used
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| − | * Tiny graphical brake cylinder pressure (sum of that for each wheel), to indicate amount of non-regenerative braking being used
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| − | | |
| − | A very cool display would be two rectangular graphs indicating engine and electric power:
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| − | * Engine power (e.g. blue for combustion): vertical: RPM, horizontal: torque
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| − | * Electric (e.g. red for discharge, green for charge): vertical: HV battery voltage; horizontal: HV battery current (absolute value)
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| − | The areas can be calibrated so that they show the relative power being produced by the electric motor vs. the engine. The same pair of rectangles could display and compare the power going into regenerative braking vs. that being wasted in the friction brakes.
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| − | | |
| − | ==CAN-View==
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| − | This is a MFD Intigrated CAN Scanner, named CAN-View.
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| − | * http://priuschat.com/index.php?showtopic=11644&st=40 [http://groups.yahoo.com/group/Prius_Miniscanner_MarkIII/message/614 yahoo] [http://priuschat.com/CAN-VIEW-monitor-t12077.html Lost] [http://www.google.com/search?q=cache:9yflkBICdmIJ:priuschat.com/index.php%3Fshowtopic%3D12077 C1] [http://www.google.com/search?q=cache:OQWcUZ8AF-kJ:priuschat.com/page-2-t12077-s20.html C2] [ C3]
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| − | * http://priuschat.com/index.php?showtopic=2281 hardware level display hyjacking, unrelated?
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| − | * Comming soon to http://www.priuschat.com/shop/
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| − | | |
| − | ===Additional accessories===
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| − | These additional features are supported by the 2nd version of the CAN-View, some require additional hardware.
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| − | *Aftermarket Navigation System Interface ''(Pioneer's AVIC-88)''
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| − | *A $99 BOBIII device from http://www.decadenet.com outputs clean RGBs to the MFD via the CAN-View, it uses serial input to create color text.
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| − | *A $110 CC2RGB converter from http://www.threedoubleyou.com/otherconverters.htm outputs composite NTSC video via the CAN-View.
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| − | *Serial MFD touch screen coordinates are outputted from the CAN-View via a serial rs232 port.
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| − | *http://priuschat.com/index.php?showtopic=11644&st=40# - Field Programming.
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| − | | |
| − | ===Screenshots===
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| − | There is a video of it in opperation here http://priuschat.com/index.php?showtopic=11644&st=20#
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| − | <br>Screenshots from: http://priuschat.com/index.php?showtopic=11644&st=40#
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| − | <gallery>
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| − | Image:Version2bare1.JPG |The enhanced version as a bare board.
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| − | Image:Version2bob.JPG |With the BOBIII text-video option.
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| − | Image:Version2plusaccessories.JPG |With the NTSC video converter option.
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| − | Image:Version2all.JPG |With the case it goes in.
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| − | Image:Version1X3.JPG |The basic unit bare, assembled and in its smaller box.
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| − | Image:MFD_removed.JPG |What the dash looks like with the MFD removed to install the M13 cable.
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| − | Image:Inimenu.jpg |Initial menu screen.
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| − | Image:Iniuser.jpg |User selectable screen.
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| − | Image:Iniuser2.jpg |Same showing how you can select your own options.
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| − | Image:Iniset.jpg |The set-up screen.
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| − | Image:Inimech.jpg |One of the bar-graph screens.
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| − | </gallery>
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| − | | |
| − | ==Other CAN scanners==
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| − | *http://www.ecrostech.com/Products/MiniScanner/Intro.htm - Classic Prius (2000-2003)
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| − | *http://autos.groups.yahoo.com/group/Prius_Miniscanner_MarkIII/messages -- THS Prius (2004+)
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| − | *http://www.vassfamily.net/ToyotaPrius/CAN/cindex.html - Extrenal display (Open Source!)
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| − | *http://www.hemdata.com/Products/Dawn - Another CAN scanner, with HEV screenshots.
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| − | * [http://babelfish.altavista.com/babelfish/trurl_pagecontent?lp=ja_en&trurl=http%3a%2f%2fpriusdiy.fc2web.com%2findex.html priusdiy.fc2web.com/index] - Translated from Japanese to English
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| − | | |
| − | ==Batteries==
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| − | * Any battery which meets the minimum requirements could be used to replace the stock [[Prius Battery Specs|Prius]] [[Ni|NiMH]] battery pack. The stock battery does not nesecarily need to be removed, but should probably be disconnected while in PHEV mode.
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| − | * CalCars has used 18 ''or 19'' B&B 20Ah 12v SLA [[PbA]] batteries from [http://www.electricrider.com/batteries.htm www.electricrider.com]
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| − | ** These cost $700, deliver 10 miles per cycle, and are expected to last 200 cycles for $0.35/mile.
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| − | ** Jul 21, 2005 [http://groups.yahoo.com/group/priusplus/message/468 Battery evaluation and production cost summary] by: Ron Gremban
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| − | * EDrive plans on using more exotic 40Ah [[Li]] batteries from [[Li#Valence|Valence]].
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| − | | |
| − | ==Links==
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| − | * '''Local Pages'''
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| − | ** [[Toyota Prius]]
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| − | ** [[User:Rjf/Prius Modifications]]
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| − | ** [[User:Rjf/Prius Battery Specs]]
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| − | * '''Calcars & PriusPlus'''
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| − | ** http://www.calcars.org
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| − | ** http://groups.yahoo.com/group/calcars-news
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| − | ** http://www.priusplus.org
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| − | ** http://groups.yahoo.com/group/priusplus
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| − | * '''MFD Intigrated CAN-View Project'''
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| − | ** http://priuschat.com/index.php?showtopic=11644&st=40
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| − | ** http://www.priuschat.com/shop/
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| − | * '''External CAN Scanner Project'''
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| − | ** http://www.vassfamily.net/ToyotaPrius/CAN/cindex.html
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| − | * '''Miniscanner Projects'''
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| − | ** http://groups.yahoo.com/group/Prius_Miniscanner_MarkIII
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| − | ** http://home.earthlink.net/~graham1/Prius/MiniScanner/MiniScanner.htm
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| − | ** http://www.ecrostech.com/prius/original/PriusFrames.htm
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