In this guide, you will find step-by-step instructions on how to read Toyota check engine light
What you will need
- Turn on the ignition, but do not start the engine. If your car has a start button, simply press twice without stepping on brakes.
- All dash lights should turn on.
- Connect your OBDII scanner to the diagnostic port of your vehicle.
- Read the codes. If the check engine light persists after clearing the code, take note of the displayed codes and search the meaning of the codes.