User`s Manual HobDrive Features Interface basics
Contents
1. Air Fuel ratio AFR calibration Same as the previous Engine volume Engine volume in liters The default value is 1 8 liters Volumetric Efficiency VE Calibration constant for assessing the mix in engine combustion chambers The default value is 95 percent Calibration for Injector Sensor Number of Cylinders number of cylinders in the engine The default value is 4 cylinders Injector performance Amount of fuel ml minute injected per injector Historically only half of the real value must be entered The default value is 134 23 ml min for real performance of 268 ml min Calibration for EngineLoad Sensor Engine Load MPG Coefficient Global calibration constant The default value is 1 RPM Curve for EngineLoad Used for detailed MPG tuneup The value is a group of comma separated numbers Each number means MPG value at a specific RPM RPM in range from o to 10 000 The RPM step is determined by the count of numbers in the parameter line for 10 numbers RPM step would be 1 000 The default value is 0 025 0 025 0 10 0 20 0 3 0 4 0 3 0 3 0 3 0 3 Each number is a multiplier for the MPG EngineLoad value at the 929 HOBDRIVE specific RPM For instance RPM 2000 and EngineLoad of 40 mean consumption rate of 0 10 40 4 liters hour Beta functionality Part of the hobDrive functionality is still in active development and is being tested You ca2. gm o SB HUD Trip Auto Trip Screens This screen gives you detailed information on fuel consumption Displayed values include Fuel consumed in idling jams stops Fuel economy excluding idling jams stops Cost of jams and idling Cost of fuel consumed for the trip Fuel consumption for engine warm up to 60 degrees Fuel consumption on warmed up engine Gasoline cost per kilometer Green shaded sensors may be tuned up for extra fue Price 2 00 preasion Currency usd Pressing the price sensor will open screen with current fuel price per liter and currency selector OK Cancel Fuel Details screen Tank Details 57 29 567km 35km H9 29d23h2 101 C 204 HOBDRIVE This screen gives you detailed information on fuel in tank Estimated level of fuel and fuel volume are calculated using the entered information on fueling and consumption data Pressing one of the fuel level sensors Fuel Tank Capacity opens up a calibration dialog for fuel tank 40 0 On first program usage you must enter the Fuel Already consumed from tank initial value volume of your tank and approximate 23 10 0 2 volume of already consumed fuel Update From here on hobDrive automatically Cancel compute fuel volume To keep the calculations correct you must record the fueling data On every fueling you must enter a new fueling record by choosing Trip gt New fue
3. 2 1 5 25 5 Sensor List Zero to Hundred Quarter Time Break time Settings Minimize Trip Auto Trip Fueling and Events Screen The screen is used for the analysis of information on filling stations and hobDrive stored events Data on filling stations and maintenance records are entered in the appropriate screens activated from the Trip tab sat Cs a HOBDRIVE General Fuel EFranamy 10Nkemn Battery Voltage 53 Fuel Price Fuel tank Setup 0 0V ae RPM Auto Trip Reset 0 0km 0 0 rip Auto Trip Acceleration m s 2 Day 0 0km 0 0 Week 0 0km 0 0 0 0 E A Month 27 8km 3 11 All time New Record 61 3km 353 2 Coolan Air Lemp Fill u New Fuelin 91 9km 224 51 a 79 m i 0 Trip A ase 62 7km 30 11 2 ie Trip B Reset 461 3km 353 21 HUD Screens The table shows the following fields Category Event category On pressing any category the records are filtered to display only the selected category Cost The sum spent on the event or on filling Odometer Odometer reading at the time of record entry Filled For records per filling station total liters filled Instant Total Consumption Two calculated fields showing the estimated fuel consumption Instant Consumption shows fuel consumption since the last refueling Correctly calculated only with full tank filling Total Consumption a fuel consumption for entire life cycle of the system Tags notes arbitrary data you can
4. or Toyota for Toyota vehicles with extended PIDs available Init String template Init String These fields allow to enter extra OBD parameters for setting up the adapter car link Template list includes standard Init commands for right hand drive cars and for some partially OBD2 compatible vehicles Like Japan Domestic Market Asia market For the majority of OBD2 cars this field can be left blank Fuel Consumption method used for fuel consumption calculations 1 MAF Sensor This is the default case suitable for most gasoline vehicles Fuel calculation is done via MAF Mass Air Flow sensor 2 MAP Sensor Fuel calculation is done using MAP Manifold Absolute Pressure sensor This method requires calibration see Vehicle calibration HOBDRIVE 3 Injector Sensor Fuel calculation is based on a injector timing sensor available in many Toyota and toyota derived vehicles scion lexus etc This method requires calibration see Vehicle calibration 4 EngineLoad sensor Fuel calculation is based on engine load sensor Provides rough approximation used mainly for diesel engines This method requires calibration see Vehicle calibration If you are unsure which method is best for your vehicle start one by one from the top of the list and monitor the Liters per Hour sensor in out of gear mode If you own Toyota car and Injector Sensor option does show fuel consumption this method is preferable Each option
5. has its own calibration parameters Empty fields mean default values which must be calibrated for more precise calculation see Vehicle calibration section for details All other parameters are optional and could be used to tuneup the hobDrive operation Speed correction factor Allows to tuneup speed and odometer values Required if your car equipped with nonstandard tires or if your speed counter is incorrect Vehicle odometer could give incorrect readings too If possible use GPS for speed and mileage calculation Default value is 1 Maximum idle speed Speed value for vehicle in idling mode or in traffic jam Default value is 5 km h 3 mph Hot engine temperature Temperature when engine is considered warmed up Used in mileage sensors for calculation of warmup price and MPG on warmed up engine Default value 60 C 140 F Trip autoreset interval The time period after which turning on the car would mean a new trip and the reset of the hobDrive s Auto trip aie HOBDRIVE calculation interval Default value 600 sec 10 minutes Trim Fuel Economy on engine conditions You can enable more precise calculation of consumed fuel by using the information on the engine braking status In this state external conditions the sharp slowdown downshifting chop deceleration force the car ECU to cut off fuel supply to the engine If such state occurs the sensor for Fuel per hour consump
6. option does Any change requires restart of the hobDrive Network screen Setting up automatic software update options If on hobDrive will check for updates once a week depending on the license You may disable this and perform only manual checks Theme screen Visual theme selection screen Themes are split into groups for Settings day and night driving Day night theme Language switching is automatic and pre Day Theme Night Theme defined by default 7am and Black Contrast Black Contrast 8pm default default Light themes are preferable for Light White Light White bright sunny day and reduce light PVP Pontiac Vibe glares also improving the Toyota Blue Toyota Blue readability of the screen HUD Trip Auto Trip Screens Dark themes are better to use at night During long night rides it is reeommended to enable HUD mode with a dark theme since in this mode the brightness is minimal and your eyes are better adopted to road conditions On changing the theme a small hobDrive delay is possible Language screen In this section you may choose the interface language When changing a small delay is possible Units screen Here you may choose to work either with European or US imperial units 8 HOBDRIVE HobDrive Usage General screen General Fuel Level Fuel Economy 100km Battery Voltage 119V SS C an RPM rpm Speed km h Acceleration m s 2 E 3 0 0 i Cool
7. with all available sensors and their descriptions Tapping any of the IBAS 3977kPa FRP diesel sensors will activate it s reading Tap once again to deactivate the sensor YpoBeHb TONNNBa 76 MIL Cleared distance Evaporative Pressure GM Voltage Absolute Te a gt 19 HOBDRIVE Zero to 60 miles Zero to Hundred Zero to Hundred Speed km h Go History 4 275sec 8 236sec Sf This screen used to measure vehicle efficiency in 0 100 km h acceleration The measurement starts automatically when you start driving Depending on the refresh rate of movement sensors the end result may not be entirely accurate Quarter Time Quarter Time Quarter Mile Time 8 47 119 History 15 132sec 0 193km HUD Trip Auto Trip Screens Measuring the time needed for passing quarter mile distance 402 m 20 HOBDRIVE Break time Break time Breaking Time F43 History 4 430sec 0 033km Break Distance 0 033 km 4 524sec 0 080km From Speed 62km h The measurement of braking time and distance at a certain speed Helps to estimate the efficiency of the braking system and to experiment with braking styles in dangerous road conditions Customization of the sensors Calibration mode is activated via Screens gt Settings gt Edit sensors layout After activation pressing any sensor on any screen will get you a configuration dialogue The dialogue mode
8. BDII PIN of your ELM Adapter 0000 Restart Bluetooth scan BT Service num Bluetooth OK Update Cancel HOBDRIVE ELM327 USB For USB ELM OBD II adapter you have to find and select the COM port number it is attached to Please notice Android now does not support this ELM327 Bluetooth For Bluetooth ELM adapter you have to choose its name from the list PIN code screen is used for entering PIN code for adapter link found in adapter documentation On some WinCE devices you have to add adapter to trusted list and enter PIN code in system bluetooth dialog On Android and Windows Phone devices you should always first pair your ELM in system bluetooth dialog and only then choose it in hobdrive ELM327 WiF1 To connect ELM327 WiFi adapter you should first setup WiFi network with your adapter read adapter s manual for that Some devices require manual TCP IP configuration for that Next you should choose enter an IP address of your adapter Android Windows Phone 192 168 0 10 35000 Windows CE tcp 192 168 0 10 35000 After you choose the correct device to connect and press the OK button the status should change to Yellow the hobDrive link information should show the status string INIT initialization followed by Green OK signal indicating successful hobDrive connection Red indicator and ERROR message means you have adapter or car connection problems See the Typical Issues section of the Manual
9. Bluetooth fail status may mean that your device does not support full Bluetooth stack required by hobDrive or that you did not enable BT stack you need to enable it manually in the system manager Some devices with widcomm stack require you to link the smartphone navigator to the ELM adapter prior to linking hobDrive to the ELM adapter from the hobDrive configuration dialog The additional parameter ELM Connection Delay is used for problem ELM adapters which can not operate at high speeds and often break off the connection Please find optimal link interruption timing HOBDRIVE Settings Screen After successful connection you may configure extra parameters by activating the Settings screen This gives you the access to the following screens OBD Port Settings Vehicle Settings System Settings Network Theme Language Units About Vehicle Screen Vehicle Name loBp 1 compatible Delete Vehicle type Standard InitStrings ELM Init String MPG method MAF Sensor Stoich Air Fuel Ratio 14 7 This screen allows to you choose a specific type of vehicle to work with Name Name of your vehicle s profile Copy Delete Commands to clone rename or remove the current profile You can t remove the last profile Vehicle Type Type of the vehicle and link parameters Standard suits fine for majority vehicles
10. HOBLDRIVE http hobdrive com sales hobdrive com User s Manual HobDrive is a software complex working with your vehicle via standard OBD II adapter and giving you the functionality of a powerful trip computer on your Windows Windows Phone 8 WinCE WinMobile Android or Car PC Linux XP Vista 7 Content Users Manta le secon censor osinn rnor ENEE EEEO EE EOT 1 HobDrive FealUreSoesrire rriren E EE EET E Ee 1 Tar aCe IAS 10S ernn E E NEEE E E ES EOE EEE 2 PROTONS SU n cus E E E EEEN EE E A E 9 HDD OU a E E E i 9 Customization Of the SCNSOTS cccccsssssccccesssssccccessscesescccsssecssscessscesesces 20 Vebicle Ca OTA OU cates eortazccusesneeseardaceteeeedcaseaiaseosaseisendonseavanetesasoereseuteurecectucs 21 Bora UC TOM ATE aesa ea E E sng EE E EE E EE E ES 22 Typ al VS SSS n EE A A I IU EE E EA 22 Hardware reQuireMents ssccccssssssccscssssccsccsssccsccssscscecccsscecescescccescseeseess 22 Optional requIrEMEeNle sscsccccssssccccssssccccssssceccesccscccesccescccescseesccuseseess 23 Installation and Setup requireMeNnts sccccccssecccccescccccensccecceseceensceeess 23 HobDrive Features Functional flexible and powerful User Interface beats classic trip computer devices in ease of use and features Full integration into your multimedia car system A single information hub no need for extra hardware devices sensors or displays Unique analysis and statistic co
11. add to a record Date the date of the event The last displayed entry is a line with totals the total mileage the total amount of money spent the total fuel consumption per gas station Diagnostics screen This screen gives you a MIL code reading functionality Upon activation it reads and describes the Check Engine codes 16 HOBDRIVE Active error codes need Diagnostics immediate attention and aa diagnostics Pending error codes are potential errors that may trigger at a later point Tapping Clear DTCs button will a reset all the current DTC codes Prior to deletion please make sure you don t need this information anymore as deleting the codes will remove the Freeze Frame data which could be useful in diagnostics during car servicing Please be aware that deleting the error from the list does not solve the problem itself therefore the error will probably reappear later On some vehicles for complete reset of error codes you should restart the car ignition HUD Mode HUD mode is a special layout to be used with windscreen projection You may activate the mirrored HUD mode by pressing the HUD button This mode disables all extra control elements and theme elements l 11 472 If you place the you smartphone or navigation unit on a panel it ll reflect the data to the windscreen enabling you to read all the data reflected This mode provides enhanced comfort on long night journeys since eve
12. ant Temp Intake Air Air Temp 60 C e 0 C eC e HUD Trip Auto Trip Screens Screen with common vehicle sensors All sensors are read sequentially reading speed depends on the performance of your ELM adapter and target device Delay of 1 2 seconds is often normal All OBD2 sensor values are transferred from ECU Engine Control Unit to the hobDrive They may not be absolutely correct some may even be entirely incorrect This is not hobDrive s limitation but rather particular features of your vehicle s ECU Different hobDrive sensors have different update interval For instance RPM updated most often while antifreeze temperature sensor normally updated once every 10 seconds Detailed sensors description e Speed Current vehicle s speed The readings are taken from the car sensors and normally equal to your speed meter readings The reading could differ from the real GPS measured speed due to vehicle errors For correction of speed meter readings please see Vehicle calibration section e Acceleration instant acceleration shows how fast you are gaining speed or slowing down Shown in meters per square second e RPM Current RPM of vehicle engine e Fuel level Estimated fuel level in the tank Calibration is required prior to using the sensor See Fuel Details screen a in HOBDRIVE e Fuel economy Fuel economy in liters per 100km or in Miles Per Gallon Calculated for current trip or for a given time i
13. en details aspx FamilyID e3821449 3c6b 42f1 9fd9 0041345b3385 amp displaylang en Alternatively you can use a special standalone hobDrive distribution This version is distributed as a ZIP file and includes a pre installed software environment All you need to do is unzip the archive onto your memory card Installation on PNA GPS navigators and 2din car audio systems For installation onto built in WinCE devices your device OS must be able to run external applications from a memory card Unpack the HobDrive to the memory card and use the OS to specify the path to the executable file hobdrive exe In many operating systems this function is called navigation software path or similar Information on setting up and linking ELM adapter is accessible in Help section of the site http hobdrive com faq PC installation carputer car pc The latest version of the Net framework is the only requirement for hobDrive installation to the PC carputer touchpad etc The most recent Windows OS Vista Windows 7 have it installed by default The serial port is required to connect the USB COM based OBD II adapter 1 Depends on a license 2 Not available in closed testing 3 Not available in development 2A HOBDRIVE Since hobDrive can work with Bluetooth devices directly setting up Bluetooth communication via virtual COM port is not required 225
14. is used for setting the widget type text bar graph circular graph chart and its various parameters Each parameter has a description which can be activated by pressing the parameter label left Typical parameter values can be either selected from drop down lists or entered manually Vehicle calibration Fuel Economy calculation method calibration is required for more precise MPG calculations or when hobdrive shows incorrect fuel economy values First make sure distance and speed values are calculated correctly f e by comparing short trip distance in hobdrive and in car s builtin odometer or GPS device Sometimes speed calibration is required because of nonstandard tires size or speed value mistakes Speed and distance play important role in fuel economy calculations as well as total fuel consumed value 91 HOBDRIVE For fuel consumption calibration first know your real fuel economy using full tank method enter fueling records for a couple of full tanks and hobdrive will show your average fuel economy on Events and Fillups screen Then you should compare these numbers with what you get on main hobdrive screen applying the difference coefficient into appropriate method s coefficient field Calibration for MAF Sensor Air Fuel ratio AFR calibration One of the key values shows the ratio between air and fuel in the combustion chambers The default value is 14 7 Calibration for MAP Sensor
15. ling In the dialog box you should enter Fuel volume in liters Amount Filled Fuel Liter Price Fuel price per liter Total fuel price updated a i automatically Odometer Odometer readings Notes Notices name of the filling station comments etc The hobDrive uses these records to give you stats on fueling cost per station total cost of vehicle ownership total cost per kilometer etc This screen also shows the estimated mileage the car will run on the remaining fuel and the time left for continuous movement of the car on the remaining fuel The Next fuel station parameter estimates approximate time till the next filling The assessment is calculated using weekly consumption average and the current fuel level The Maximum Temperature and Maximum Speed parameters keep the data of maximum respective value The Average Speed parameter is calculated for the currently selected time interval taking into account all idling time d HOBDRIVE Extra screens Beside the described above key parameters hobDrive provides a number of optional screens for more detailed fine tuning To activate these choose Screens tab and then select the required screen Trip Details Fuel evel Fuel img ank Odometer 42 171 150km Distance to empty Time to Empty Next ful Screens 102km W ee Fuel Trims Sensors Max Coolant temperature Max Speed Lambda Toyota sensors
16. llection features Interface basics Speed Navigation Screen title Bar HOBDRIVE General 48 RPM rpm Extra screens 2605 and settings ELM 73 C Connection status Trips and tracking H UD M ode intervals activation HobDrive is controlled by tapping the touch screen elements and screen controls or by touching and scrolling panning the elements for browsing and accessing the information outside of the current screen You may change the four main screens with different actions Flicking pressing holding panning Tapping the respective segment of the speed navigation bar Using joystick keys if available HOBDRIVE Tapping on the Screen tap button gives you access to the extra controls CoolantT emp oyota sensors Distance Run 73 C 2 032k Sensor List Zero to Hundred a Quarter Time Break time HuD Trip Auto Trip These are Temporary hide HobDrive Exit HobDrive Entering the Settings tab Selecting and activation of extra screens Before start Connect your vehicle The very first thing you must do after installing hobDrive is setting it up to find and link with your OBD II ELM adapter and vehicle During the first run hobDrive will ask you to choose ELM adapter s serial port or Bluetooth address in case of Bluetooth ELM You may always open this screen later by going Screens Settings OBD Port Settings ELM Port Name CAN O
17. n experiment with it we give no guarantees whatsoever Logging the sensor data to the file Set up via user track file The contents of the file can be exported from the default configuration default track file The file lists the sensors used to record data By default only cumulative sensors data is recorded Data is written to the track folder in binary format and can be converted to Excel spreadsheets with track2csv exe utility found here https github com cail hobd raw master lib Track2CSV exe Typical Issues Hardware requirements OS Android 2 1 and higher Windows Mobile Windows CE Windows xp vista 7 64Mb RAM 500MHz CPU Touch screen with 320x240 minimum resolution OBD II ELM327 compatible Bluetooth USB WiFi Serial adapter Windows net3 5 framework Windows Bluetooth chipset or USB Bluetooth adapter with standard Microsoft bluetooth stack for Bluetooth ELM327 adapters Windows USB Serial driver for virtual COM port for USB ELM327 adapters at s HOBDRIVE Optional requirements Internet access auto updates reporting statistics data to the external web service GPS chipset position tracking trip tracking Installation and setup requirements Installation to Windows Mobile CE systems The application requires netcf3 5 environment if it is not on your smartphone you can install it yourself http www microsoft com downloads
18. n with the night themes the display is usually very bright in the darkness which distracts thein M eye from the road On many cars simple reflection on the windscreen would double or even triple the image but eyes adapt very 1 HOBDRIVE fast the blurred background provides a comfortable perception of information without distracting the driver To return back click the Back button Fuel Trims screen TonnusBuHbple KODPPECKLHOM Hactpotiku Ckperb Bbxog STFT and LTFT fuel trims are the parameters that define engine efficiency in using the air fuel mix For old or unclean engines their absolute value may be high 20per cent and more This could trigger error codes Fuel trims within several per cent margin indicate normal engine operation More Sensors screen This screen gives you some detailed sensors which could be of interest to professional servicing teams 42243 41588Km 40933KM 0 9 51V Ee CeHcopbi HUD Hacrpo kn Ckppitb Bbxog 12454 23 0 370 0 0 C 8595Pa 2737 356900 18 HOBDRIVE Lambda Sensors screen Jlam6ga AATYNKN HUD HactpoiiKn Cxperrs Bexon Shows the readings of oxygen sensors depending on the car less than four 07V 0 6V 0 6V 0 6V values are possible 0 0 Toyota Sensors screen CeHcopbi Toyota HUD Hacrpoiixn Ckporo Bexon Screen with Toyota specific sensors o 0 Sensor List screen Bce cCeHcopbl HUD Hactpoiiku CkpbiTb BbIxoA Screen
19. ng less than 5 km h by default is also treated as idling e Fuel per hour Instant fuel consumption per time unit Common values for out of gear engine is 0 5 1 5 liters per hour depending on the engine This parameter allows to monitor the engine operation mode and the impact of extra load such as air conditioning on fuel consumption e Instant fuel economy MPG for the last few seconds Helps in assessment of vehicle fuel efficiency dynamics May be very different from the stated fuel efficiency of the vehicle e Fuel economy Average trip selected period MPG This is a key parameter showing overall performance and fuel efficiency of your car Displayed in liters per 100 km Calculated as fuel consumed distance passed 100 e Short term fuel economy fuel efficiency for the last few minutes Provides an option to track the efficiency of your driving short term May differ from the total consumption readings depending on driving mode over the past few minutes e Antifreeze temperature As one of most important readings this value is replicated from the Main screen e Distance Run Total mileage for the trip the current time period analyzed See the Vehicle calibration for information on setting this parameter if different from values shown on integrated odometer e Fuel Consumed Total amount of fuel consumed on current trip selected period in liters On pressing the Trip tab hobDrive gives you a selecti
20. nterval see the Trip Computer screen This is the key parameter defining the efficiency of your vehicle e Current Voltage of the vehicle systems Can be used to assess the performance of the generator or battery discharge level May differ from the actual battery voltage because in fact shows the OBD II connector voltage e Antifreeze temperature Current antifreeze and engine temperature The key parameter for assessing engine warm up level e Intake temperature Air temperature at the combustion chamber inlet Usually close to ambient temperature but may differ to either side depending on the mode of operation e Ambient temperature Ambient air temperature Could be unavailable on some of vehicles Trip Computer screen Trip computer mp Time Idle Time Fuel Per Hor 1 100km HI i KB sel Economy instant 100km Fuel Economy 100km Fuel Economy short 100km 13 2 Q 3 2 on K CoolantTemp Distance Run Fuel Consumed 60 C 6 561km 0 5871 HUD Trip Auto Trip Screens The screen gives you the key values on your current trip or other selected time interval enabling evaluation of overall trip efficiency and cost as well as instant consumption values Most of the parameters are displayed for the currently selected time interval current trip by default Trip Time Time spent in vehicle with ignition on 10 HOBDRIVE e Idle Time Time in traffic jams at traffic light etc Very slow movi
21. on of possible tracking intervals After the new selection all sensors will change their values to reflect the data stored for the new interval 11 HOBDRIVE Trip como Trip die Time Fuel Per Hour l hour l i Fuel Economy short ry 100krh Coolal na 34 Fill up New Fueling Trip A Reset Trip B Reset HUD Available trip intervals e Auto Trip Current trip Selected automatically as soon as minimum interval between ignition off on is reached 10 minutes by default e Day Aggregated data for today Zeroed at midnight helps to assess daily consumption e Week Aggregated data for current week Zeroed at Sunday midnight helps to assess weekly consumption e Month Aggregated data for current month e All time Total aggregated data Fill up Data for current fillup hobDrive resets this as soon as you enter a new fueling record by pressing the New fillup button See Fuel Details screen for more details on fuel tracking Trip A Trip B Data collected for two manually entered trips Allows you to track some custom trips Manual reset is possible for values of Auto Trip and Trip A Trip B modes 12 HOBDRIVE Fuel Details screen Fuel Details 0 1871 Fuel Cafsumed 0 986 Fuel in Idle Economy w o jams 100km Fuel in Cold Warmed up Economy 100km Jams Id Je Price 0 37 FuelaCost 1 97 Km cost 0 1071 12 5 0 26
22. tion will be switched to 0 You can find out the volume of fuel corrected in this way at any time by touching the fuel per hour sensor Attention on some vehicles this state may be read incorrectly you will have to confirm the correct operation of the sensor manually Default setting is off Trim Fuel Economy by LTFT value HobDrive uses the LTFT long term fuel trim value to correct the fuel consumption rate Can be used only on certain cars equipped with MAF MAP methods Can be used on Toyota Prius and similar cars to correct bio ethanol fuel consumption Default setting is off Trim Fuel Economy by Lambda value HobDrive uses Lambda value Air Fuel ratio for the car The value may differ from the benchmark AFR Setting the parameter may improve the precision of fuel consumption calculations Can be used with MAF MAP methods Default setting is off Idle Speed Instant consumption The speed considered as idling mode for calculation of instant and short term consumption Evens out the readings of respective sensors Default setting is off Reset Instant consumption On Idle If set instant and short term consumption values will be zeroed on every stop start of the car HOBDRIVE Provides more precise estimates on instant consumption for acceleration deceleration System Settings screen This screen allows to change system hobDrive options Touch any option label to get a detailed explanation of what this
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