1. Bluetooth ELM327 only supports Android system, PC.
2. WiFi ELM327 supports IOS, Android system, PC.
3. A version and B version are the same inside, Only with different outlook.
* If you have an iphone, please buy Wifi ELM327.
Wifi ELM327 interface is able to detect and interpret obd2 / eobd protocols automatically. It also provides support for high speed communications and a low power sleep mode. It use AT commands to communicate with a host device (PC, notebook, for iOS). There are plenty of software packages available, which are fully compatible with this tool. Some of them have pretty useful features, such as engine running parameters monitoring, DTC reading and clearing, MPG meter, etc. You can even write your own software on a specified hardware platform if you wish, because the AT commands are fully documented and very well explained. This tool is only 2.7 x 1.25x 0.9 inches, and it comes with a 6 ft OBDII cable for easy installation. It also includes a power switch built-in to prevent the need for having to constantly disconnect your unit from the OBDII port. It is compatible with 1996 and later vehicles which are obd2 or eobd compliant. Connecting to your iPhone / iPod touch is made by WIFI connection in adHoc mode.
With proper software installed in the host device, you may have following parameters read out from your vehicle:
* Vehicle Speed
* Fuel Consumption
* Engine Coolant Temp
* Fuel Pressure
* Calculated Engine Load
* Throttle Position
* Intake Manifold Pressure
* Air Intake Temp
* Timing Advance
* Mass Air Flow
* Fuel Level
* Barometric Pressure
* EVAP System Vapor Pressure
* Fuel Trim
1. SAE J1850 PWM (41.6Kbaud)
2. SAE J1850 VPW (10.4Kbaud)
3. ISO9141-2 (5 baud init,10.4Kbaud)
4. ISO14230-4 KWP (5 baud init,10.4 Kbaud)
5. ISO14230-4 KWP (fast init,10.4 Kbaud)
6. ISO15765-4 CAN (11bit ID,500 Kbaud)
7. ISO15765-4 CAN (29bit ID,500 Kbaud)
8. ISO15765-4 CAN (11bit ID,250 Kbaud)
9. ISO15765-4 CAN (29bit ID,250 Kbaud)
A. SAE J1939 CAN (29bit ID,250*Kbaud)
B. USER1 CAN (11*bit ID,125*Kbaud)
C. USER2 CAN (11*bit ID,50*kbaud)
*default settings (user adjustable)
This elm327 usually can work on most new car with OBD 16pin Aadapter and 12V engine:
For USA Car brand, after 1996;
For Europe Car brand (petrol), after 2001;
For Europe Car brand (diesel), after 2004;
For Japan Car brand, after 2006;
For Korea Car brand, after 2010;
For Chinese Car brand, after 2009;
For Russian Car brand, after 2012;
If your vehicle does not fall into any of the above categories, look under the hood and try to locate a label that explicitly states that the vehicle was designed to comply with OBD-2 legislation.
For Android/for IOS devices (for iphone, ipad e.g.)/for PC
- Bluetooth elm327 supports android system only, does not support IOS system, so if you have a iphone, please buy wifi bluetooth ELM327.
- Wifi elm327 supports both android and IOS system.
All ELM327 based software.
IOS system software in Apple store:
Car Scanner / OBD Auto Doctor / OBD Car Doctor / EOBD Faciles / Rev / FUZZYCar/ DashComand / SpeedPORT / Nova Scan ...
Attention: For iOS base software are not included, you must buy from Phone Store!
Android system software：
Torque pro / Mini OBD2 / OBD Car Doctor / DashComand ...
Scanmaster- ELM / PCMSCAN...
Range: 50 ft (Line of sight)
Power Consumption: 0.75 Watts
Wifi Standard: 802.11a/b/g
Operating Temperature: -15 to 100 Deg Celsius
1 x ELM327 obd interface
Connect with your phone and car: