NOTE:You Should install software on Windows XP only and must close antivirus program. Or it will make some problems and can not be used. ELM327 USB Plastic V1.5 Car Diagnostic Tool Support All OBDII Protocols Description of ELM 327 USB Plastic:1.ELM327 is the latest PC-based scan tool. It supports all OBD-II protocols and is dispatched with a number of compatible programs. The processor is an ELM327.The output protocol (connection to laptop) is USB.2.ELM327 is a free program that allows you to use your PC and a hardware interface to get the information from your car's computer.3. Output protocol: RS232- Baud rate: 9600 or 38400- Indicator LEDs: OBD Tx/Rx， RS232 Tx/Rx， Power- Operating voltage: 12V， internal protection from short circuits/overvoltage- Nominal idle current: 45 mA Install of ELM 327 USB Plastic:Simply extract the files into a folder on your computer's hard drive， and you're ready to go.-Touninstall the program， simply delete the entire contents of the folder where the program resides.The software supports two platforms - DOS and Windows. OBD-II Protocols of ELM 327 USB Plastic:- ISO15765-4 (CAN)- ISO14230-4 (KWP2000)- ISO9141-2- J1850 VPW- J1850 PWM Features of ELM 327 USB Plastic:- The program lets you perform the following operations:- Read diagnostic trouble codes， both generic and manufacturer-specific， and display their meaning (over 3000 generic code definitions in the database).- Clear trouble codes and turn off the MIL ("Check Engine" light) Display current sensor data， including:- Engine RPM- Calculated Load Value- Coolant Temperature- Fuel System Status- Vehicle Speed- Short Term Fuel Trim- Long Term Fuel Trim- Intake Manifold Pressure- Timing Advance- Intake Air Temperature- Air Flow Rate- Absolute Throttle Position- Oxygen sensor voltages/associated short term fuel trims- Fuel System status- Fuel Pressure- Many others. Upcoming Features of ELM 327 USB Plastic:- Data graphing and logging- Freeze Frame data- Continuous and Non-Continuous Oxygen Sensor test results Free software of ELM327 USB Plastic:- For GM Mode 22 Scan Tool by Terry- OBD Gauge for PalmOS and Pocket PC by Dana Peters- OBD Logger by Jonathan Senkerik- OBD-II Scan Master by Wladimir Gurskij (Scan Master 3.52 - local copy)- OBD2 Scan tool by Ivan Andrewjeski- OBDII for ELM322 by David Huffman- pyOBD by Donour Sizemore for MacOSX and Linux- RDDTC by Pete Calinski- Real Scan by Brent Harris- Scantest for Pocket PC by Ivan Ganev aka a-ser- wOBD by WDT Package including:- One elm327 USB interface- One CD software Vehicle list: It supports 12V Gasoil cars， can not supports Diesel Cars，As we do not test it on all the cars， we can not make sure whether it can be used on your car. Maybe you can buy one to have a try.