Check engine codes, or diagnostic trouble, present facts on malfunctions inside the vehicle's drive-train management strategy. The on-board personal pc runs frequent tests over the varied sensors while in the program, and if any of those sensors send back info that doesn't correlate using the factory specs for that unique sensor, the computer generates a code. The moment the personal computer shops a code, it turns within the check out engine light to alert the driver of the malfunction. Other people Are Reading Ways to get Verify Engine Light Codes Methods to Study OBD2 Codes Elements You will need Scan tool Pen Paper Present More Guidelines 1
Remove the dust cover from your diagnostic port underneath the driver's side of the dashboard. The cover is usually black, with letters or perhaps a word indicating what it will be, embossed for the face. Look for "DTC" or "Diagnostic" or some variation, depending on the year, make and model of your vehicle.
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Plug the datalink cable from your scan device into the diagnostic port. Refer to the scan tool's specific instructions on running a self test to the system. While this will vary depending over the brand and model in the scan tool, the scan tool's display screen usually prompts you on how you can proceed.
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Write down the codes for reference during the diagnostic procedures. When prompted to clear/erase the codes, select "no" and complete the self test.
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Disconnect the datalink cable in the diagnostic port and put the cover back over the port.
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