ELM327 USB OBD/OBII Car Diagnostics Scanner

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ELM327 USB OBD2 Auto Diagnostic Car Scanner Adapter is an adapter that can interface any PC USB port to the RS232 port of the car ECU system. The new cars have a central computer system for measuring the important health factor (such as The temperature of the coolant, Oxygen sensor voltages, etc.) of the car and controlling them. the repairment garage can achieve and read this information to easily and fastly find the fault and its cause. This adapter should be used with a special software platform to interpret the raw data of the ECU under the PC operating system. This device set of hardware and software is a simple and low-cost fault detector, car health scanner, or diagnosis application that enables you to see and read these important data on the PC, to repair it or delete its warning from the dashboard.
This adapter is developed by Elm Electronics company by name of ELM327 with supporting ODB2 interpreter protocol  (including VPW, PWM, ISO, KWP 2000, CAN protocol) released after 1996. The operator can connect a female USB port of any PCs to the female RS232 connector of the ECU (in or under car dashboard) to see the fault code and read the presented description about the meaning of the fault code or its causes, delete it to prevent warning indicators on the car dashboard. The ODB2 software can be run on the DOS and Windows operating system.

Processor: ELM327 USB
Output protocol: RS232
Baud rate: 9600 or 38400
Indicator LEDs: OBDTx/Rx, RS232Tx, power supply
Operating voltage: 12V
Nominal idle current: 45 mA

The measured values that the OBD2 wifi interface indicates:
Engine speed
Calculated Load Value
The temperature of the coolant
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
Turbo print (via Torque app)

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