Windows, Mac OS X and Linux version 2.0 | OBD Auto Doctor

Windows, Mac OS X and Linux version 2.0 | OBD Auto Doctor ОБД2

Ble support on linux

Bluez is the library in Linux that provides Bluetooth support. You need to have version of Bluez that has the support included. Check your distribution for more details.

Ble support on mac os x

OBD Auto Doctor can use Bluetooth LE on all supported OS X versions. Remember to check that your Mac has Bluetooth 4.0 hardware included. Macs started to have the hardware around 2021-2021. No pairing or other manual actions are required outside of the software to use these dongles.

Boost pressure

Boost pressure value yields from the intake manifold absolute pressure. Barometric pressure is also taken into consideration. Now, the vehicle is required to support MAP (manifold absolute pressure) in order for the boost pressure to appear as supported.

Negative pressure values represent vacuum. Positive values are boosted by a turbocharger or supercharger.

‎obd auto doctor

OBD Auto Doctor is the leading OBD2 car diagnostics tool in your pocket!

Ever wonder why the check engine light or MIL keeps going on? Check and reset the trouble codes with OBD Auto Doctor. With this OBD2 diagnostic app, you can communicate with your car’s OBD-II system quick and easy, and turn your mobile into a highly capable automotive scanner.

▸ OBD Auto Doctor is an ideal app for everyone interested in getting to know their car better. Whether you want to monitor vehicle data in real-time or reset the “check engine” light, this is a must-have tool and the only OBD-II software you need!

Capabilities and benefits:
• Read readiness monitor status to make sure your car is ready for emissions testing
• Read On-Board Diagnostic Monitors for advanced diagnostics
• Read Diagnostic Trouble Codes (DTCs), Freeze Frame, and clear the codes and MIL
• Monitor fuel consumption while you drive and save money on gas/diesel
• View OBD-II parameter and sensor data in real-time to detect abnormalities
• Monitor OBD-II sensor data in numerical or graphical presentation
• Support for multiple electronic control units such as engine, transmission, etc.

Some additional features:
• Send diagnostic data via email
• Record and send sensor data via email as .csv format
• Read Vehicle Identification Number, Calibration Identifications and Calibration Verification Numbers of ECU
• Build-in DTC database with over 18000 trouble codes including thousands of manufacturer specific codes
• Support for both imperial (English) and metric units

Код ошибки:  База настроек ЭБУ Lada Vesta, активируем/меняем опции через ELM327 » Лада.Онлайн - все самое интересное и полезное об автомобилях LADA

Check the Quick Start Guide to get started:
• WiFi adapters: https://www.o-b-d.ru/OBD-Auto-Doctor-Quick-Start-Guide-iPhone-WiFi.pdf
• Bluetooth adapters: https://www.o-b-d.ru/OBD-Auto-Doctor-Quick-Start-Guide-iPhone-Bluetooth.pdf

OBD Auto Doctor supports all cars sold worldwide that are compatible with OBD2 or EOBD. As a general guideline, your car is most likely to be OBD-II compliant if it fulfils one of the requirements listed below:
• USA: All cars and light trucks manufactured since 1996 (OBD2)
• EU, Gasoline: Registered in the EU after 1 January 2001 (EOBD)
• EU, Diesel: Registered in the EU after 1 January 2004 (EOBD)
• See https://www.o-b-d.ru/faq for the OBD2 compatibility info for other countries

NOTE: OBD Auto Doctor requires a separate ELM Wifi OBD2 adapter (ELM327 compatible scan tool) or Kiwi 3, OBDLink MX , Carista, Vgate, LELink, Viecar, Tonwon, Veepeak, MicroTech or UniCarScan Bluetooth Low Energy adapter to communicate with vehicle.

NOTE: Please notice that most of the features of the app require that your car supports them too.

▸ This app is free but to unlock all the features, a subscription is required. Check the app website for more information and differences between the versions.

Under no circumstances will the developer of this application be held responsible for incidents resulting from the use and/or interpretation of the data in the application.

If you have any issues or concerns, we are happy to help you out. Just send us e-mail to support@o-b-d.ru.

Visit the OBD Auto Doctor website for more information:
https://www.o-b-d.ru/

Terms of use: https://www.o-b-d.ru/terms

Obd2 data graph exported from google sheets

Click the image for full size.

Calculated engine load, accelerator pedal position and engine RPM in the same graph.
Calculated engine load, accelerator pedal position and engine RPM in the same graph.

Obd2 data graph exported from libreoffice calc

Click the image for full size.

Short term fuel trim, long term fuel trim, oxygen sensor output voltage, equivalence ratio (lambda) and oxygen sensor current in the same graph.
Short term fuel trim, long term fuel trim, oxygen sensor output voltage, equivalence ratio (lambda) and oxygen sensor current in the same graph.

On-board diagnostic monitors (obd mode $06)

Another new feature that we added was the support for On-Board Diagnostic Monitors. These monitors are also know as the OBD mode 06. On-Board Diagnostic Monitors offer professional level diagnostic capabilities. These monitors can give detailed information about misfire counts, for example.

Read more:Using OBD2 mode $06 for car diagnostics.

OBD2 mode 06
On-Board diagnostic monitors

On-board system, test or component activation

The software has now support for OBD2 mode 8. The mode 8 is the on-board system, test or component activation service. This service allows bi-directional communication to start or perform specific tests. This is different from the most OBD2 services because they just read information from the car. In that sense, this service or mode is a rather powerful tool.

Other changes

We did a lot of other smaller changes for the software too. The following list highlights the most important ones.

Sensor graph grid

The graph grid is the newest addition to the monitoring tools. You can now track up to four different sensors side by side with the Sensor Graph Grid. Each sensor has separate graph with it’s own scale. This makes it easier to interpret the data in some cases.

Код ошибки:  Расположение колодки диагностического разъема Фольксваген Поло - автомануал заказ автокниг с доставкой в любую точку мира
OBD Sensor Graph Grid
Sensor Graph Grid in action. The screenshot is from Windows 10.

Tell me the pros and cons

All is good here:

The added obd2 parameters

  • Boost pressure control ($70)
    • Commanded boost pressure A and B
    • Boost pressure A and B
    • Boost pressure control status A and B
  • Variable geometry turbo (VGT) control ($71)
    • Commanded variable geometry turbo A and B
    • Variable geometry turbo A and B
    • VGT control status A and B
  • Wastegate control ($72)
    • Commanded wastegate position A and B
    • Wastegate position A and B
  • Exhaust pressure ($73)
    • Exhaust pressure sensor bank 1 – 2
  • Turbocharger RPM ($74)
  • Turbocharger Temperature A and B ($75 and $76)
    • Turbocharger compressor inlet temperature
    • Turbocharger compressor outlet temperature
    • Turbocharger turbine outlet temperature
  • Charge air cooler temperature (CACT) ($77)
  • Exhaust gas temperature (EGT) ($78 and $79)
  • Diesel particulate filter (DPF), Bank 1 – 2 ($7A and $7B)
    • Delta pressure
    • Inlet pressure
    • Outlet pressure
  • Diesel particulate filter (DPF) temperature ($7C)
    • Inlet temperature, bank 1 – 2
    • Outlet temperature, bank 1 – 2
  • NOx NTE control area status ($7D)
  • PM NTE control area status ($7E)
  • Engine run time ($7F)
    • Total engine run time
    • Total idle run time
    • Total run time with PTO active

The added obd-ii parameters

  • Battery Voltage (reported by the adapter)
  • Driver’s Demand Engine – Percent Torque ($61)
  • Actual Engine – Percent Torque ($62)
  • Engine Reference Torque ($63)
  • Engine Percent Torque Data ($64)
    • Engine Percent Torque At Idle, Point 2 – 5
  • Auxiliary Input / Outputs ($65)
    • Power Take Off (PTO) Status
    • Auto Trans Neutral Driver Status
    • Manual Trans Neutral Gear Status
    • Glow Plug Lamp Status
  • Mass Air Flow Sensor ($66)
  • Engine Coolant Temperature ($67)
  • Intake Air Temperature Sensor ($68)
    • Bank 1 – Sensor 1
    • Bank 1 – Sensor 2
    • Bank 1 – Sensor 3
    • Bank 2 – Sensor 1
    • Bank 2 – Sensor 2
    • Bank 2 – Sensor 3
  • Commanded EGR and EGR Error ($69)
    • Commanded EGR Duty Cycle/Position A and B
    • Actual EGR Duty Cycle/Position A and B
    • EGR Error A and B
  • Commanded Diesel Intake Air Flow Control and Relative Intake Air Flow Position ($6A)
    • Commanded Intake Air Flow Control A and B
    • Relative Intake Air Flow Position A and B
  • Exhaust Gas Recirculation Temperature ($6B)
    • Bank 1 – Sensor 1
    • Bank 1 – Sensor 2
    • Bank 2 – Sensor 1
    • Bank 2 – Sensor 2
  • Commanded Throttle Actuator Control and Relative Throttle Position ($6C)
    • Commanded Throttle Actuator Control A and B
    • Relative Throttle Position A and B
  • Fuel Pressure Control System ($6D)
    • Commanded Fuel Rail Pressure A and B
    • Fuel Rail Pressure A and B
    • Fuel Rail Temperature A and B
  • Injection Pressure Control System ($6E)
    • Commanded Injection Control Pressure A and B
    • Injection Control Pressure A and B
  • Turbocharger Compressor Inlet Pressure ($6F)
    • Turbocharger Compressor Inlet Pressure Sensor A and B
    • Injection Control Pressure A and B

Torque

Torque is calculated from the engine power and RPM. With these two pieces of information, the torque can be estimated quite accurately. Torque is measured at the wheels just like the engine power.

Since torque is using engine power for the calculation, the vehicle weight is a factor in the calculation. Remember to set the correct weight!

Код ошибки:  Загорелся чек. При этом сам гас… Загорается только при движении в натяг и на оборотах. — Honda Odyssey, 3.0 liter, 2002 year on DRIVE2

Try it now and enjoy!

Try it now and let us know how you like it!

OBD Auto Doctor is coming for iPhone soon! We are very excited about this announcement as we are expanding our OBD2 software to even bigger audience. iPhone will be great addition to our product family that already covers Android, Windows Phone, Windows, Mac OS X and Linux.

What is lambda?

In car diagnostics domain, air-fuel equivalence ratio is often regarded as lambda (λ). This is especially true in spoken language. Air-fuel equivalence ratio is the ratio of actual air-fuel ratio (AFR) to stoichiometry for a given mixture. In other words, lambda is the ratio between the amount of oxygen actually present in a combustion chamber versus the amount that should have been present to get perfect combustion.

  • In an ideal mixture, there’s exactly the amount of oxygen required to burn the amount of fuel present. Thus, lambda = 1.0.

  • In a lean mixture, there’s too much oxygen for the amount of fuel. Thus, lambda > 1.0.

  • In a rich mixture, there’s too little oxygen for the amount of fuel. Thus, lambda will be < 1.0.

In practice, the AFR devices measure the amount of residual oxygen or unburnt hydrocarbons in the exhaust gas. The engine monitors the lambda values in a feedback loop to adjust the air-fuel mixture.

OBD Auto Doctor uses the lambda values for the fuel consumption calculations. This is to get the most accurate estimation of fuel consumed.

Sources, and more information available at Air-fuel ratio on Wikipedia and Lambda as a Diagnostic Tool.

Will it work with your device and vehicle: compatibility?

The software works on Windows, Linux and Mac computers. For mobile devices, OBD Auto Doctor supports all iOS, Android and Windows phone. However, if you’re using iPhone or iPad you just need to check if it is a Bluetooth Low Energy adapter.

As long as you have an OBD2 compliant vehicle, OBD Auto Doctor should work for you.

This means you should double check if an OBD2 port is readily available within your vehicle, this is normal protocol for all vehicles newer than 1996 in the US or 2001/2004 in Europe.

However, if your car is an older model, this technology may not be suitable to assist you with vehicle diagnosis.

Windows phone

In Windows Phone, the control unit selection was added to the navigation page. The controller can be changed using the list picker on top of the navigation page titled “browse”. To change the control unit, you need to come back to the browse page and do the change you wanted.

Get this OBD2 application from Windows Phone Store!

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