
The engines installed on Toyota Camry vehicles are equipped with an electronic engine management system with multiport fuel injection.

The ignition switch with a mechanical lock and an electrical contact part is located on the right side of the steering column under the steering wheel

Self-diagnosis of the Toyota Camry air conditioner control unit
The air conditioning control unit has a self-diagnosis function

Removing the cylinder head is discussed in the article - "Removing the cylinder head Toyota Camry "
Install the cylinder heads onto the cylinder block with new head gaskets