Toyota Corolla (E120): Diagnostic trouble code chart

Pre–check

Terminals of ecu

Other materials:

If your vehicle overheats
The following may indicate that your vehicle is overheating. ● Vehicles without a multi-information display: The high engine coolant temperature warning light  comes on or a loss of power is experienced. Vehicles with a multi-information display: The engine coolant temperature gauge&n ...

Driving assist systems
To keep driving safety and performance, the following systems operate automatically in response to various driving situations. Be aware, however, that these systems are supplementary and should not be relied upon too heavily when operating the vehicle. Summary of the driving assist systems ■ ABS ( ...

Oxygen sensor monitor (front and rear o2s system)
Preconditions The monitor will not run unless: mil is off  drive pattern  connect the obd ii scan tool to the dlc3 to check monitor status and preconditions.  Start the engine and allow it to idle for 2 minutes or more.  Drive the vehicle at 25 mph ...