Cool 1994 Toyota Camry Check Engine Light Reset Ideas. When you see the check engine light on your toyota camry's display panel, it has illuminated because of the ecu, or electronic control unit. this is a computer that stores codes sent to it by sensors positioned throughout the vehicle. To reset the check engine light on your toyota camry, you can follow these steps:

After which, ensure the odometer is displayed. Web it is designed to read and clear codes and view data readouts from the vehicle’s sensors. Check the diagram on the inside of the fuse cover to locate the ecu fuse.