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.

 

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

Free software:

 

GM Mode 22 Scan Tool by Terry 

OBD Gauge for PalmOS and Pocket PC by Dana Peters 

OBD Logger by Jonathan Senkerik 

OBD-II ScanMaster by Wladimir Gurskij (ScanMaster 3.52 - local copy) 

 

OBD2 Scantool 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