Using a scan tool is the easiest way for check engine light reset. If you wonder to know how to turn off check engine light by this way, here are 3 steps for you. Step 1: Connect the scan tool to the OBD - II. Connecting the scan tool to the OBD- II ( On- board diagnostic connector) under your steering column.
A check engine light can indicate a broad spectrum of problems with your 2003 Toyota RAV4. In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light.
This light will go on, if the brake pads were replaced before you bought the car and the light wasn't reset. However if you reset it once and the light comes back, its likely a real problem. If it is off, and continues to stay off, I'd ignore it.
How to Reset a Check Engine Light. Your check engine light typically comes on when there is a problem with your emission control system or another computer-controlled system in your vehicle. The light generates a code that can help you narrow down the problem so you can get it fixed. You may also need to manually
Reset Check Engine Light Toyota Camry. If you need to reset your check engine light following these steps should work: Locate the fuse panel cover under the steering column. Pull down on it with your fingers to remove it. Examine the diagram on the fuse panel cover and find the electronic control unit fuse.
How do you reset the MAINT REQ light on a Toyota Rav 4 (2004) ? - After an oil change how do I clear the light ?