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:
Inspection procedure
1 Check p/t squib(rh) circuit(airbag sensor assy center – front
seat outer belt assy rh)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the seat belt pretensio ...
Circuit description
The ecm compares the two waveforms of the heated oxygen sensors located
before and after the catalyst
to determine whether or not the catalyst performance has deteriorated.
Air–fuel ratio feedback compensation keeps the waveform of the heated oxygen
sensor in front of the catalyst
alterna ...
Light control switch circuit
Wiring diagram
Inspection procedure
1 Check headlamp dimmer switch assy (light control switch)
2 Check wire harness (tvip ecu light control switch)
Disconnect the tvip ecu and light control switch connectors.
check the continuity between the terminals of the tvip
e ...


