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Mercedes Check Engine Light Reader OBDII for Computer

Mercedes  Check Engine Light Reader OBDII for Computer
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Mercedes Check Engine Light Reader OBDII for Computer


RS232 COM PORT OBDII ELM 327 Code Reader Tool. RS232 Interface, Read & Clear Generic and Manufacture Specific Codes, Monitor Status, and Retrieve VIN Data! CANBUS Support!

Even if you don't repair your vehicle yourself, knowing the Diagnostic Trouble Code number before taking the vehicle in for repair is good knowledge to have. Once the vehicle is repaired, the Diagnostic Trouble Code(s) can be erased and the Check Engine light turned off using this scan tool. In areas that require a smog test, an illuminated Check Engine light fails the emission test, even if the repaired vehicle might otherwise pass inspection. This OBD II Scan Tool turns off the Check Engine light. Another highly useful application for the scan tool is purchasing used vehicles. Used vehicles can have all sorts of expensive mechanical or electrical problems. Remember, not all Diagnostic Trouble Codes illuminate the Check Engine light and a scan tool is the only way to obtain the information. This tool supports all OBD II protocols: n SAE J1850 PWM n SAE J1850 VPW n ISO 9141-2 n ISO 14230 (KWP2000) n CANBUS WHAT IS CAN? Controller Area Network (or CAN) is the newest automotive communication protocol. CAN Protocol is around 50 times the speed of the older protocols. CAN was used in some cars starting in 2003, and is said to be the only protocol that will be used after 2007.
The RS232 ELM327 is the newly developed scan tool. It supports all OBD-II protocols. The processor is an ELM327. The output protocol (connection to laptop) is RS232 (9 pin COM Port). Supported Features Include: n Data graphing and logging n Freeze Frame data n Continuous and Non-Continuous Oxygen Sensor test results n Works with all OBD-II compliant vehicles n Software included for Windows PC n Supports ISO 9141, KWP2000 n Supports SAE J1850 n Supports CAN bus Functions: n Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database). n Clear trouble codes and turn off the MIL ("Check Engine" light) n 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

Does My Car Have OBD-II? All cars and light trucks built and sold in the United States after January 1, 1996 were required to be OBD II equipped. In general, this means all 1996 model year cars and light trucks are compliant, even if built in late 1995. Two factors will show if your vehicle is definitely OBD II equipped: 1) There will be an OBD II connector located under or around the dashboard, and 2) There will be a note on a sticker or nameplate under the hood: "OBD II compliant". Where is the connector located? The connector must be located within three feet of the driver and must not require any tools to be revealed. Look under the dash and behind ashtrays.

Works on almost any car from 1996 to present! (Note: may not be compatible with some VW, Audi, and Subaru vehicles)