ELM 3271.5V USB CAN-BUS Scanner Software Features:    ELM327 USB 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 USB. The output protocol (connection to laptop) is USB.  
Processor: ELM327 USB
OBD-II Protocols: ISO15765-4 (CAN)
ISO14230-4 (KWP2000)
ISO9141-2
J1850 VPW
J1850 PWM
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/overvoltages
Nominal idle current: 45 mA
Description:
   OBD-II Software for ELM327 USB is a free program that allows you to use your PC and a hardware interface to get the information from your car's computer.
   The program is very user-friendly, and easy to learn. It is also very easy to install: simply extract the files into a folder on your computer's hard drive, and you're ready to go. To uninstall the program, simply delete the entire contents of the folder where the program resides.
The software supports two platforms - DOS and Windows.
Features:
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:
Data graphing and logging
Freeze Frame data
Continuous and Non-Continuous Oxygen Sensor test results 

 Aavailable cars:

• Benz 2001/02/03 W203 C200K (ISO)
• BMW X5 2002 (ISO) Chevrolet Aveo (ISO)
• Citroen C3 2004 (ISO) ? Daihatsu YRV 2005 (ISO)
• Daihatsu YRV Turbo 2006 (ISO)
• Fiat Tipo 2002 (ISO) 
• Ford New?ocus 2006(CAN)
• Honda Accord 2006 JDM (ISO)
• Honda Accord Euro R 2004 JDM (ISO)
• Honda City GD8 (ISO)
• Honda Civic ES 1.6A (ISO)
• Honda Integra Type R DC5 JDM (ISO)
• Honda Jazz 1.4M (ISO)
• Hyundai Accent 2004 (ISO)
• Hyundai Getz 1.3A 2004 (ISO)
• Hyundai Getz 1.6M 2004 (ISO)
• Hyundai Matrix 2004 (ISO)
• Hyundai Santa Fe 2.4A (ISO)
• Hyundai Sonata GLS (ISO)
• Hyundai Sonata 2005 (ISO)
• Hyundai Tuscani FX (ISO)
• Kia Carens 2005 (ISO)
• Kia Magentis 2005 (ISO)
• Kia Rio LS (ISO)
• Kia Sorento SUV 2005 (ISO)
• Lexus es300 Mazda 2 (CAN)
• Mazda 5 (CAN)
• Mazda 6 (CAN)
• Mazda Premacy 2001 (ISO)
• Mazda RX8 (CAN)
• Mitsubishi Colt 2003 (ISO)
• Mitsubishi Colt Plus 2005 (ISO)
• Mitsubishi Eclipse(GST-----Turbo Car can be tested for the year 1995-2000 ;RS/GS----1994-1996 GS all can do;Turbo Car for the year 1996-2000,only have speed and TPS,can clear the DTCS)
• Mitsubishi Lancer Evolution IX 2006 (ISO)
• Mitsubishi Pajero 3.5 V6 2006 (ISO)
• Nissan Sunny B14 (ISO)
• Nissan Sunny VIP FB15 (ISO)
• Nissan X-Trail 2.0L 2004 (ISO)
• Nissan X-Trail 2.5L 2004 (ISO)
• Peugeot 206 2001 ?Only can show RPM
• Peugeot 206 (ISO)
• Peugeot 307 (ISO)
• Peugeot 407 (ISO)
• Renault Megane II 2005 (ISO)
• Renault Kangoo 2006 (ISO)
• Subaru Impreza 1.6TS 2002 (ISO)
• Subaru Impreza WRX 2005 (ISO)
• Toyota Camry 2.0A 2004 (ISO)
• Toyota Camry 2.4A 2005 (ISO)
• Toyota Corolla Altis 1.6A 2005 (ISO)
• Toyota Corolla GLXi G8 1999 (ISO)
• Toyota Corolla G9 2002 (ISO)
• Toyota Vios 2004 (ISO)

Not available veichles:

• Mazda 323 Protege 2003 (OBD-I)
• Mitsubishi Lancer 1.6M 2006
• Nissan Sunny (N16)
• Nissan Cefiro (Teana) 2005
• Nissan sentra 1.8 2000/2005
• Nissan Cefiro (Teana) 2005
• Proton Perdana V6
• Subaru Legacy GT 2005
• Toyota camry 2002
• Toyota Wish JDM (Missing Pin 5 in DLC)
• Toyota IST JDM (Missing Pin 5 in DLC)
• Toyota altis 1.8 2004
• Peugeot 206 2000
• Suzuki Jimny 1.3 2000
• Diesel engine