Toyota Corolla (E210) 2019-2025 Owners Manual / Maintenance and care / Do-it-yourself service precautions
Toyota Corolla (E210): Do-it-yourself service precautions
If you perform maintenance by yourself, be sure to follow the correct procedure as given in these sections.
Maintenance
WARNING
The engine compartment contains many mechanisms and fluids that may move suddenly, become hot, or become electrically energized.
To avoid death or serious injury, observe the following precautions.
■When working on the engine compartment
- Keep hands, clothing and tools away from the moving fan and engine drive belt.
- Be careful not to touch the engine, radiator, exhaust manifold, etc. right after driving as they may be hot. Oil and other fluids may also be hot.
- Do not leave anything that may burn easily, such as paper and rags, in the engine compartment.
- Do not smoke, cause sparks or expose an open flame to fuel or the battery. Fuel and battery fumes are flammable.
- Be extremely cautious when working on the battery. It contains poisonous and corrosive sulfuric acid.
■When working near the electric cooling fan or radiator grille
Be sure the engine switch is OFF.
With the engine switch in ON, the electric cooling fan may automatically start to run if the air conditioning is on and/or the coolant temperature is high.
■Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from getting in your eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear due to dirt in the air.
Other materials:
Screen for general settings
1 Press the “SETUP” button.
2 Select “General” on the “Setup” screen.
1 “English”, “Français” or “Español” can be selected.
2 On/off can be selected to sound beeps.
3 Select to change the screen color.
4 Select to change the keyboard layout.
5 The animatio ...
Overhaul
1. Inspect 4th gear thrust clearance
Using a feeler gauge, measure the 4th gear thrust clearance.
4Th gear thrust clearance:
2. Inspect 3rd gear thrust clearance
Using a dial indicator, measure the 3rd gear thrust clearance.
3Rd gear thrust clearance:
3. Inspect 4th gear ...
Circuit description
The rear heated oxygen sensor is used to monitor oxygen concentration in the
exhaust gas. For optimum
catalytic converter operation, the air fuel mixture must be maintained near the
ideal ”stoichiometric” ratio.
The heated oxygen sensor output voltage changes suddenly in the vicinity of ...