The right way to Read Test Engine Codes

Check engine codes, or diagnostic problems, provide specifics on malfunctions during the vehicle's drive-train management method. The on-board laptop runs regular tests for the diverse sensors during the technique, and if any of those sensors send back specifics that does not correlate using the factory specs for that certain sensor, the laptop or computer generates a code. The moment the home pc retailers a code, it turns for the check engine light to alert the driver of the malfunction. Other people Are Reading through How to get Test Engine Light Codes The right way to Read through OBD2 Codes Issues You'll need Scan device Pen Paper Show Significantly more Directions 1

Remove the dust cover from your diagnostic port underneath the driver's side of your dashboard. The cover is normally black, with letters or perhaps a word indicating what it will be, embossed about the face. Appear 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 tool into the diagnostic port. Refer to the scan tool's specific directions on running a self test on the program. While this will vary depending for the brand and model within the scan instrument, the scan tool's display screen usually prompts you on find out how to 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 from your diagnostic port and put the cover back over the port.