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:
Engine assembly
Inspection
1. Inspect coolant
2. Inspect engine oil
3. Inspect battery
4. Inspect air cleaner filter element sub–assy
5. Inspect spark plug
6. Inspect fan and generator v belt
Hint:
you don’t need to check the belt deflection because auto tensioner is adopted.
7. Inspect ignition ti ...
On–vehicle inspection
Notice:
”cold” and ”hot” in these sentences express the temperature of the coils
themselves. ”Cold” is from
–10 c (14 f) to 50 c (122 f) and ”hot” is from 50 c (122 f) to 100 c (212 f).
1. Inspect ignition coil (with igniter) and spark test
confirm dtc.
Notice:
...
Fail–safe chart
If any of the following codes is recorded, the ecm enters the fail–safe mode.
Check for intermittent problems
Hand–held tester only:
by putting the vehicle’s ecm in the check mode, the 1 trip detection logic is
possible instead of the
2 trip detection logic, and the sensitivity to de ...