The processor is an ELM327. The output protocol (connection to laptop) is RS232.
Processor: ELM327
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 forELM327 is a free program that allows you to use your PC and a hardwareinterface 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 yourcomputer's hard drive, and you're ready to go. To uninstall the program,simply delete the entire contents of the folder where the programresides.
The software supports two platforms - DOS and Windows.
Features:
The program lets you perform the following operations:
Read diagnostic trouble codes, both generic andmanufacturer-specific, and display their meaning (over 3000 generic codedefinitions 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