[{"data":1,"prerenderedAt":575},["ShallowReactive",2],{"docs-navigation":3,"\u002Fdocs\u002Fvehicle-connect\u002Fdata-logging":58,"\u002Fdocs\u002Fvehicle-connect\u002Fdata-logging-surround":570},[4],{"title":5,"path":6,"stem":7,"children":8},"Getting Started","\u002Fdocs","docs\u002F1.index",[9,10,36,40],{"title":5,"path":6,"stem":7},{"title":11,"path":12,"stem":13,"children":14},"Vehicle Connect","\u002Fdocs\u002Fvehicle-connect","docs\u002F2.vehicle-connect\u002F1.index",[15,16,20,24,28,32],{"title":11,"path":12,"stem":13},{"title":17,"path":18,"stem":19},"Flash ECU","\u002Fdocs\u002Fvehicle-connect\u002Fflash-ecu","docs\u002F2.vehicle-connect\u002F2.flash-ecu",{"title":21,"path":22,"stem":23},"Data Logging","\u002Fdocs\u002Fvehicle-connect\u002Fdata-logging","docs\u002F2.vehicle-connect\u002F3.data-logging",{"title":25,"path":26,"stem":27},"Read DTC","\u002Fdocs\u002Fvehicle-connect\u002Fread-dtc","docs\u002F2.vehicle-connect\u002F4.read-dtc",{"title":29,"path":30,"stem":31},"Read ECU","\u002Fdocs\u002Fvehicle-connect\u002Fread-ecu","docs\u002F2.vehicle-connect\u002F5.read-ecu",{"title":33,"path":34,"stem":35},"OBD Functions","\u002Fdocs\u002Fvehicle-connect\u002Fobd-functions","docs\u002F2.vehicle-connect\u002F6.obd-functions",{"title":37,"path":38,"stem":39},"Trouble Codes","\u002Fdocs\u002Fdiagnostics","docs\u002F3.diagnostics",{"title":41,"path":42,"stem":43,"children":44},"EasyFlash","\u002Fdocs\u002Feasyflash","docs\u002F4.easyflash\u002F1.index",[45,46,50,54],{"title":41,"path":42,"stem":43},{"title":47,"path":48,"stem":49},"Lights","\u002Fdocs\u002Feasyflash\u002Flights","docs\u002F4.easyflash\u002F2.lights",{"title":51,"path":52,"stem":53},"Bluetooth and Wi-Fi","\u002Fdocs\u002Feasyflash\u002Fbluetooth-and-wi-fi","docs\u002F4.easyflash\u002F3.bluetooth-and-wi-fi",{"title":55,"path":56,"stem":57},"Button","\u002Fdocs\u002Feasyflash\u002Fbutton","docs\u002F4.easyflash\u002F4.button",{"id":59,"title":21,"body":60,"description":564,"extension":565,"meta":566,"navigation":567,"path":22,"seo":568,"stem":23,"__hash__":569},"docs\u002Fdocs\u002F2.vehicle-connect\u002F3.data-logging.md",{"type":61,"value":62,"toc":547},"minimark",[63,78,84,87,92,103,134,140,144,150,198,219,222,246,250,285,300,311,315,321,327,377,382,389,393,414,421,424,428,431,457,460,463,474,489,493,509,536,540],[64,65,66,67,70,71,74,75,77],"p",{},"Data logging records live values from your ECU, such as engine speed, temperatures and fuel trims, so you or your tuner can look at how the vehicle behaves. To start, connect to your vehicle (see ",[68,69,11],"a",{"href":12},"), then open ",[72,73,11],"strong",{}," and choose ",[72,76,21],{},".",[64,79,80,81,77],{},"If the ECU doesn't offer any channels to log, the page shows ",[72,82,83],{},"Logging not supported",[64,85,86],{},"On an Isuzu, the first time you open Data Logging after connecting, EasyTune asks the ECU which values it can report. This takes a few seconds, and happens again each time you reconnect.",[88,89,91],"h2",{"id":90},"choose-what-to-log","Choose what to log",[64,93,94,95,98,99,102],{},"Click ",[72,96,97],{},"Logging Setup"," to open ",[72,100,101],{},"Select Data Channels",". Channels are grouped (for example by system), and you tick each one you want to record. Use the search box to find a channel by name.",[104,105,106,113,116,119],"ul",{},[107,108,109,112],"li",{},[72,110,111],{},"Templates"," applies a preset selection. Applying a template replaces your current selection.",[107,114,115],{},"A log can hold up to 100 channels. A selection over that limit is cut back to 100.",[107,117,118],{},"Some channels are calculated from other channels. They show a small number badge; hover over the name to see what they depend on. Ticking one also ticks the channels it needs, and unticking one of those channels unticks the calculated channels that use it.",[107,120,121,124,125,129,130,133],{},[72,122,123],{},"Export Config"," saves your channel selection and live chart setup to a ",[126,127,128],"code",{},".etjson"," file. ",[72,131,132],{},"Import Config"," loads one back, for example on another computer.",[64,135,94,136,139],{},[72,137,138],{},"Finish"," when you're done.",[88,141,143],{"id":142},"set-up-the-live-chart","Set up the live chart",[64,145,94,146,149],{},[72,147,148],{},"Live Viewer Setup"," to choose how the logged channels are drawn while you record. For each channel you can set:",[104,151,152,155,161,179,193],{},[107,153,154],{},"whether it is shown (the tick box)",[107,156,157,160],{},[72,158,159],{},"Unit",", where the channel has more than one unit to choose from",[107,162,163,166,167,170,171,174,175,178],{},[72,164,165],{},"Chart",": which of up to three stacked charts it is drawn on (",[72,168,169],{},"Chart 1",", ",[72,172,173],{},"Chart 2"," or ",[72,176,177],{},"Chart 3",")",[107,180,181,184,185,188,189,192],{},[72,182,183],{},"Min"," and ",[72,186,187],{},"Max"," for its axis, or ",[72,190,191],{},"Auto"," to fit the axis to the data recorded so far",[107,194,195],{},[72,196,197],{},"Colour",[64,199,200,201,170,204,207,208,184,211,214,215,218],{},"The buttons along the top apply to every channel: ",[72,202,203],{},"Auto Min\u002FMax All",[72,205,206],{},"Reset Charts"," (moves every channel back to Chart 1), ",[72,209,210],{},"Regen Colors",[72,212,213],{},"Select Default",". Click ",[72,216,217],{},"Done"," to close.",[64,220,221],{},"The cog button holds three more settings:",[104,223,224,230,236],{},[107,225,226,229],{},[72,227,228],{},"History Time(s)",": how many seconds of data the live chart shows, from 1 to 20.",[107,231,232,235],{},[72,233,234],{},"Auto Save",": saves each log to your EasyTune account as soon as you stop recording.",[107,237,238,241,242,245],{},[72,239,240],{},"Remember Config",": keeps your last channel selection when you come back to the page. When it is off, the page loads the vehicle's ",[72,243,244],{},"Default"," template instead, if it has one.",[88,247,249],{"id":248},"record-a-log","Record a log",[251,252,253,265,268,275],"ol",{},[107,254,94,255,258,259,174,262,77],{},[72,256,257],{},"Start Data Log",", or press ",[72,260,261],{},"Space",[72,263,264],{},"K",[107,266,267],{},"Drive or run the test you want to capture.",[107,269,270,271,274],{},"Press ",[72,272,273],{},"M"," to drop a marker at an important moment. Markers show up on the chart when you review the log.",[107,276,94,277,258,280,174,282,284],{},[72,278,279],{},"Stop Data Log",[72,281,261],{},[72,283,264],{}," again.",[64,286,287,288,291,292,295,296,299],{},"When you stop, the ",[72,289,290],{},"Data Log"," window opens with the recording. The keyboard shortcuts don't work while a setup window is open; the ",[72,293,294],{},"i"," button next to ",[72,297,298],{},"View Previous"," lists them.",[64,301,302,303,306,307,310],{},"If an error occurs while you are recording, logging stops and a ",[126,304,305],{},"!!"," marker is placed where it happened. Leaving the Data Logging page while recording also stops the log; the app shows ",[72,308,309],{},"Datalogging Closed"," and opens what was recorded.",[88,312,314],{"id":313},"save-download-or-share-a-log","Save, download or share a log",[64,316,317,318,320],{},"A new log is only held in the app until you save or download it. ",[72,319,298],{}," reopens the most recent log while you stay on the Data Logging page.",[64,322,323,324,326],{},"From the ",[72,325,290],{}," window:",[104,328,329,347,355,369],{},[107,330,331,334,335,338,339,342,343,346],{},[72,332,333],{},"Options"," → ",[72,336,337],{},"Save"," uploads the log to your EasyTune account, where it appears under ",[72,340,341],{},"Data Logs",". To stop an upload part-way, click ",[72,344,345],{},"Cancel upload"," on the message that appears while it saves.",[107,348,349,334,351,354],{},[72,350,333],{},[72,352,353],{},"Download"," saves the log as a CSV file on your computer.",[107,356,357,360,361,364,365,368],{},[72,358,359],{},"Share"," sends the log to a dealer. Pick a dealer from the list and click ",[72,362,363],{},"Select",", or type the email address of their EasyTune account and click ",[72,366,367],{},"Send",". The log is saved to your account first if it isn't already. The dealer receives their own copy, plus an email and a notification.",[107,370,371,334,373,376],{},[72,372,333],{},[72,374,375],{},"Delete"," removes a saved log from your account.",[378,379,381],"h3",{"id":380},"csv-files","CSV files",[64,383,384,385,388],{},"A downloaded CSV starts with an EasyTune header block that holds the vehicle and ECU details and the channel settings. Below that is a ",[126,386,387],{},"timestamp"," column, in seconds from the first sample, and one column per channel with its unit in the heading.",[88,390,392],{"id":391},"review-a-log","Review a log",[64,394,395,396,398,399,402,403,406,407,410,411,413],{},"Saved logs are listed under ",[72,397,341],{}," in the sidebar, or from the ",[72,400,401],{},"View All Data Logs"," button on the Data Logging page. The ",[72,404,405],{},"Vehicles"," panel groups logs by VIN; choose ",[72,408,409],{},"All Logs"," to see everything. Click a log to open it, or tick several and click ",[72,412,375],{}," to remove them.",[64,415,416,417,420],{},"To open a log file from your computer, click ",[72,418,419],{},"Upload Data Log"," on the Data Logs page, or drag the file onto that button. It reads CSV files exported from EasyTune, and CSV logs from HP Tuners and Techstream. The file opens in the viewer; it isn't added to your account.",[64,422,423],{},"A log has four tabs.",[378,425,427],{"id":426},"inspector","Inspector",[64,429,430],{},"The Inspector compares the lowest and highest value of each channel in the log with that channel's warning and severe limits, where the log includes them. Each channel is listed under one heading:",[104,432,433,439,445,451],{},[107,434,435,438],{},[72,436,437],{},"Critical",": the channel went past its severe limit.",[107,440,441,444],{},[72,442,443],{},"Warning",": the channel went past its warning limit.",[107,446,447,450],{},[72,448,449],{},"Pass",": the channel stayed inside its limits, or has no limits.",[107,452,453,456],{},[72,454,455],{},"Info",": the log holds no data for the channel.",[64,458,459],{},"If anything is listed under Critical or Warning, stop driving hard and send the log to your tuner.",[378,461,165],{"id":462},"chart",[64,464,465,466,469,470,473],{},"The chart draws the log with the same channel options as the live chart, set from ",[72,467,468],{},"Data Setup",". Drag across the chart, or scroll, to zoom into a stretch of time. The strip below the chart shows the whole log; drag its highlighted window to move along it. ",[72,471,472],{},"Reset Zoom"," shows the whole log again.",[64,475,476,477,480,481,184,483,485,486,488],{},"The cog button turns ",[72,478,479],{},"Smoothing"," on or off, and has ",[72,482,123],{},[72,484,132],{}," for saving and loading the chart setup as a ",[126,487,128],{}," file. A config exported from the Data Logging page can be imported here.",[378,490,492],{"id":491},"histogram","Histogram",[64,494,495,496,498,499,170,502,184,505,508],{},"The histogram shows where the engine spent its time. Click ",[72,497,468],{}," and choose a channel for each of the ",[72,500,501],{},"X",[72,503,504],{},"Y",[72,506,507],{},"Z"," axes. Each cell of the grid covers a range of X and Y values and shows the Z value recorded there. The cell colour shows how many samples fell into it; hover over a cell for the count.",[64,510,511,514,515,170,518,174,521,524,525,184,528,531,532,535],{},[72,512,513],{},"Display Setup"," sets the grid size, the X and Y axis ranges, the colours, whether cells show the ",[72,516,517],{},"Mean Value",[72,519,520],{},"Maximum Value",[72,522,523],{},"Minimum Value"," of Z, and ",[72,526,527],{},"Flip X",[72,529,530],{},"Flip Y",". ",[72,533,534],{},"Scatter Plot"," draws every sample as a point instead of a grid.",[378,537,539],{"id":538},"metadata","Metadata",[64,541,542,543,546],{},"Metadata shows the vehicle and ECU details captured when the log was recorded, such as the VIN, calibration ID, hardware ID, CVN, flash count and programmer's comment. The ",[72,544,545],{},"Notes"," box is for your own comments; on a saved log, notes are saved as you type.",{"title":548,"searchDepth":549,"depth":549,"links":550},"",2,[551,552,553,554,558],{"id":90,"depth":549,"text":91},{"id":142,"depth":549,"text":143},{"id":248,"depth":549,"text":249},{"id":313,"depth":549,"text":314,"children":555},[556],{"id":380,"depth":557,"text":381},3,{"id":391,"depth":549,"text":392,"children":559},[560,561,562,563],{"id":426,"depth":557,"text":427},{"id":462,"depth":557,"text":165},{"id":491,"depth":557,"text":492},{"id":538,"depth":557,"text":539},"Record live data from your ECU, then review, save, export and share the log.","md",{},true,{"title":21,"description":564},"h0VcEtwG0BNGSJdeVOrDPACPdSXD9qc4vI5wthvmO4Y",[571,573],{"title":17,"path":18,"stem":19,"description":572,"children":-1},"Find a tune for your vehicle, flash it to the ECU, and recover if a flash fails.",{"title":25,"path":26,"stem":27,"description":574,"children":-1},"Read, export and clear the diagnostic trouble codes stored in your ECU.",1794528391093]