Toyota Corolla (E120) 2002–2008 Repair Manual / Introduction / Repair instruction / Precaution / For vehicles equipped with catalytic converter
Toyota Corolla (E120): For vehicles equipped with catalytic converter
Caution
: if large amount of unburned fuel flows into the converter, it may cause overheating and a fire hazard.
To prevent this, observe the following precautions.
- Use only unleaded gasoline.
- avoid prolonged idling.
Avoid running the engine at idle speed for more than 20 minutes.
- avoid a spark jump test.
- Perform a spark jump test only when absolutely necessary. Perform this test as rapidly as possible.
- While testing, never race the engine.
- avoid a prolonged engine compression measurement.
Engine compression measurements must be performed as rapidly as possible.
- do not run the engine when the fuel tank is nearly empty. This may cause the engine to misfire and create an extra load on the converter.
Other materials:
Tire pressure warning system (if equipped)
Your vehicle is equipped with a tire pressure warning system that uses tire pressure
warning valves and transmitters to detect low tire inflation pressure before serious
problems arise.
◆ Installing tire pressure warning valves and transmitters
When replacing tires or wheels, tire press ...
Circuit description
The vehicle speed sensor circuit is sent to cruise control ecu assy as a
vehicle speed signal. For each rotation
of the shaft, the vehicle speed sensor sends a signal through the combination
meter assembly to the
cruise control ecu assy (see the following chart). The cruise control ecu assy
...
Inspection procedure
Hint:
start the inspection from step 1 in case of using the hand–held tester and start
from step 2 in case of not
using the hand–held tester.
1 Perform active test by hand–held tester(abs motor relay)
Check the operation sound of the abs motor individually when operaing it
with the ...