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:
Using the key (vehicles
without a smart key system
and with a wireless
remote control function)
Releasing
To release the key, press the button
Folding
To stow the key, press the button
then fold the key.
Using the mechanical key
(vehicles with a smart key
system)
To take out the mechanical key,
slide the release button and take
the key out.
The mechanical key can only be
inserted in o ...
Circuit description
The p/t squib (lh) circuit consists of the airbag sensor assy center and seat
belt pretensioner (lh).
It causes the srs to deploy when the srs deployment conditions are satisfied.
Dtc b0135/73 is recorded when a short is detected in the p/t squib (lh) circuit.
Wiring diagram
...
Inspection procedure
Hint:
read freeze frame data using the hand-held tester or the obd ii scan tool.
Freeze frame data records the
engine conditions when a malfunction is detected. When troubleshooting, it is
useful for determining whether
the vehicle was running or stopped, the engine was warmed up or not, the ...


