Toyota Corolla (E120): Engine
On–vehicle inspection
Hint
: inspect these items on a cooled down engine.
1. Inspect drive belt
2. Replace spark plugs
3. Inspect air filter

- Remove the air filter.
- visually check that the air filter is not excessively damaged,
dirty or oily.
Peplace the air filter if necessary.
- clean the filter with compressed air.
First blow from the inside of the filter thoroughly then repeat from the outside.
- reinstall the air filter.
4. Replace air filter
- replace the air filter with a new one.
5. Replace engine oil and oil filter
6. Replace engine coolant
7. Inspect gasket in fuel tank cap
8. Inspect fuel lines and connections, fuel tank vapor vent system hoses and fuel tank bands
- visually check the fuel lines for cracks, leakage, loose connections, deformation and tank band looseness.
9. Inspect exhaust pipes and mountings
- visually check the pipes, hangers and connections for severe corrosion, leaks and damage.
10. Inspect valve clearance
Other materials:
Tire rotation
Rotate the tires in the order
shown.
Front
To equalize tire wear and extend
tire life, Toyota recommends that
tire rotation is carried out at the
same interval as tire inspection.
Vehicles with a tire pressure warning
system: Do not fail to initialize
the tire pressure warning system
after tire ...
Inspection procedure
1 Check p/t squib(lh) circuit(airbag sensor assy center – front seat
outer belt assy lh)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the seat belt pretensio ...
On–vehicle inspection
1. Connect hand–held tester:
connect the hand–held tester to the dlc3.
start the engine and run it at idle.
select the active test mode on the hand–held tester.
Hint:
please refer to the hand–held tester operator’s manual for further details.
2. Inspect actua ...


