Once you've read the diagnostic code and finished the needed repairs on your Toyota Camry, you must reset the On-Board Diagnostic fault codes. Comparatively speaking, this task is almost an afterthought, as it is not as time-consuming as looking up a code definition and performing the repairs. However, you cannot forget to reset the codes, because if you do, the "Check Engine" light will remain lit on the dashboard.
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Hook the code scanner into the Camry's diagnostic port beneath the steering wheel. This is the same port you used to retrieve the codes.
Turn on the scanner.
Turn on the car.
Wait for the trouble code to appear on the scanner's screen. This should take only a few seconds.
Press the "Erase" button on the scanner.
Turn the car and scanner off. Disconnect the scanner from the diagnostic port.
Turn on the Camry's electrical system. Look at the dashboard. The "Check Engine" light should be dark. If it isn't, reconnect the scanner to see if there is a new code there or simply erase the code again.
Tips and warnings
- OBD-II codes are good only for vehicles made after 1996. Vehicles predating that year operate under a different diagnostic code.
- Trouble codes light the "Check Engine" for a reason: to get your attention. If you ignore the light or reset the diagnostic system without reading the code, you could unwittingly cause bigger repairs later.
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