Toyota Corolla (E120) 2002–2008 Repair Manual / Introduction / Repair instruction / Precaution / Removal and installation of fuel control parts
Toyota Corolla (E120): Removal and installation of fuel control parts
- Place for removing and installing of fuel system parts
- work in a place with good air ventilation and without anything flammable such as welder, grinder, drill, electric motor or stove in the surroundings.
- Never work in a place such as a pit or nearby a pit, as there is a possibility that vaporized fuel is filled in those places.
- Removing and installing of fuel system parts
- prepare a fire extinguisher before starting the operation.
- For prevention of static electricity, install a ground on the fuel changer, vehicle and fuel tank, and do not spray much water so as to prevent slipping.
- Never use any electric equipment like an electric motor or a working light, as they may cause sparks or high temperature.
- Never use an iron hammer, as it may cause sparks.
- Dispose of the shop rag separately from any fuel deposit.
Other materials:
Circuit description
The rotary solenoid type idle air control (iac) valve is located
under the throttle body and intake air bypassing the throttle
valve flows into the iac valve through the passage.
In this way the intake air volume bypassing the throttle valve is
regulated, controls the engine speed.
The ...
Diagnostic trouble code chart
Hint:
as for the vehicle for mexico, refer to repair manual 2003 corolla (pub. No.
Rm938u).
Parameters listed in the chart may not be exactly the same as your readings due
to the type of instrument
or other factors.
If a malfunction code is displayed during the dtc check in the check mod ...
Data list/active test
1. Data list
Hint:
according to the data list displayed by the obd ii scan tool or hand–held
tester, you can read the value
of the switch, sensor, actuator and so on without parts removal. Reading the
data list as the first step of
troubleshooting is one method to shorten labor time.
W ...


