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OBDII 4 Proto Diagnostic Scanner Interface -USB - ISO PWM VPW CA
$249.70 $110.00

OBD II All Protocol Diagnostic Scanner Interface

This four protocol OBD-II scanner interface provides USB interface between a PC & PDA and vehicles OBD-II port..
  • J1850 PWM (Pulse Width Modulation) protocol
  • J1850 VPW - (Variable Pulse Width Modulated)
  • ISO9141-2 protocols (EOBD)
  • ISO14230-4 protocols
  • J2284 CAN Bus
  • many Daimler-Chrysler Corporation vehicles
  • many European vehicles
  • most Japanese vehicles.
  • most GM / GMH vehicles.
  • some Mazda vehicles
  • most Ford vehicles.
  • Supports both K and L lines
  • retrieve error codes
  • retrieve engine operating conditions (temp, rpm, speed etc)
  • real time data logging to a PC
  • bi-colour led for shows the current logic status
  • powered from car battery over OBD2 connector
  • connects to PC via USB

Due to the inclusion of all four OBDII protocols you can be assured that you will be able to read OBDII data from appropriately equipped vehicles without having to determine which interface type you need. Modern USB connection ensures simple and speedy data transfers.

The interface can be used in conjunction with our free software to turn your laptop or desktop computer into a fairly sophisticated automotive diagnostic system. The included software has a built-in database of more than 3000 trouble codes, and allows you to read and erase stored trouble codes and oxygen test results, turn off the MIL ("Check Engine" light), and display real-time sensor data.

The circuitry utilises a central interpreter for the four standard on-board diagnosis (OBD-II) equipped vehicle using a USB connection, to convert between a the OBDII data streams and standard ASCII characters for a robust connection to PC or PDA.

The OBD-II bus activity LED's help troubleshoot problems on the vehicle side.

Interface and Software Features

The hardware interface provides a number of features and capabilities. You can even request proprietary codes if you have them available. However the hardware relies on the appropriate software on the PC to request and display this information.

  • Read diagnostic trouble codes, both generic and manufacturer-specific
  • 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
    • Fuel Pressure
    • Vehicle Speed
    • Short Term Fuel Trim
    • Long Term Fuel Trim
    • Intake Manifold Pressure
    • Timing Advance
    • Intake Air Temperature
    • Air Flow Rate
    • Absolute Throttle Position
    • EGR status
    • Catalytic Converter temperature
    • Time / distance since ECU reset
    • ECU voltage
    • Oxygen sensor voltages/associated short term fuel trims
    • Data graphing and logging
    • Freeze frame data
    • Continuos and non continuos oxygen sensor values
    • Many others...... vehicle dependant

Software provided with this interface is shareware, freeware, or demonstration versions. Neither PDA or PC are included.

Which Interface?

The circuitry inside the OBD-II interface supports the four protocols defined by OBD-II. This interface will NOT support ALDL interface used by some pre-standard GM cars and light trucks. If you are interested in the ALDL interface, eitehr check out those interfaces on this site or email us. There's a guide to What OBD-II Protocol does my vehicle use? in our Articles section

For European emission related standards, EOBD starting in year 2000 is the equivalent of OBD-II (ODB-2) in the USA. In Australia for most light vehicles after 2004 are compliant with one of the standards. Diesel engines typically need to be post 2003 for OBD-II facilities - some even post 2006

Check with this website or to here to find out which OBD-II standard your car uses, as well as locating the OBD-II data link connecter for each vehicle. Can't find the connector, there's a guide to OBD-II connector locations in our FAQ section. However if your vehicle is NOT listed, this does not mean it is not OBD-II compliant. As long as it is a standard OBD-II type, this interface will work.

This product was added to our catalog on Monday 30 June, 2008.
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