Check engine codes, or diagnostic problems, supply material on malfunctions during the vehicle's drive-train management process. The on-board computer runs regular exams for the several sensors from the strategy, and if any of those sensors send back details that does not correlate with the factory specs for that distinct sensor, the pc generates a code. The moment the computer system shops a code, it turns for the check out engine light to alert the driver of the malfunction. Others Are Reading through How to get Test Engine Light Codes How to Read through OBD2 Codes Important things You'll need Scan instrument Pen Paper Display Way more Instructions 1
Remove the dust cover from the diagnostic port below the driver's side of your dashboard. The cover is ordinarily black, with letters or a word indicating what it is, embossed on the encounter. Appear for "DTC" or "Diagnostic" or some variation, depending around the year, make and model of your vehicle.
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Plug the datalink cable from your scan instrument into the diagnostic port. Refer to the scan tool's specific instructions on running a self test on the procedure. While this will vary depending within the brand and model on the scan device, the scan tool's display screen usually prompts you on learn how to proceed.
3
Write down the codes for reference during the diagnostic procedures. When prompted to clear/erase the codes, select "no" and complete the self test.
4
Disconnect the datalink cable from your diagnostic port and put the cover back over the port.
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