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
Operating voltage: 12V, internal protection from short circuits/overvoltages
Nominal idle current: 45 mA

Description:
OBD-II Software forELM327 USB is a free program that allows you to use your PC and ahardware 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 folderon your computer's hard drive, and you're ready to go. To uninstall theprogram, simply delete the entire contents of the folder where theprogram resides.

The software supports two platforms - DOS and Windows.
 
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 thedatabase).
+ 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...