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:
Antenna cord sub–assy
Replacement
Hint: components:
1. Remove instrument panel sub–assy upper
Hint:
refer to the procedure until the step, ”remove instrument panel sub–assy
upper” of
instrument panel sub–assy lower.
Remove the related parts as long as the antenna cord sub–assy can be
removed ...
Lubrication system
*: The engine oil capacity is a reference quantity to be used when changing the
engine oil. Warm up and turn off the engine, wait more than 5 minutes, and check
the oil level on the dipstick.
■ Engine oil selection
“Toyota Genuine Motor Oil” is used in your Toyota vehicle. Use Toyo ...
Check open circuit
For the open circuit in the wire harness in fig. 1, Perform
a resistance check in step (b) or a voltage check in step
(c) to locate the section.
Check the resistance.
Disconnect connectors a and c and measure the
resistance between them.
Resistance: 1 Ω or les ...


