Toyota Corolla (E120) 2002–2008 Repair Manual / Introduction / Repair instruction / Precaution / Removal and installation of engine intake parts
Toyota Corolla (E120): Removal and installation of engine intake parts

- If any metal tip is mixed in the inlet pass, this may give a bad effect to the engine and turbocharger.
- when removing and installing the inlet system parts, close the opening of the removed inlet system parts and the engine with a clean shop rag or gummed tape.
- when installing the inlet system parts, check that there is no mixing of a metal tip.
Other materials:
On–vehicle inspection
1. Inspection throttle body idle speed control valve assy
Notice:
it is impossible to check the resister value and the operation
of isc valve by itself, because the isc valve
has an ic circuit inside it, which transforms the duty
signal from the ecm to the derive signal.
After check ...
Precaution
1. Handling precautions on steering system
care must be taken when replacing parts. Incorrect replacement may
affect the performance of the
steering system and result in a driving hazard.
2. Handling precautions on srs airbag system
the vehicle is equipped with srs (suppl ...
Inspection procedure
Hint
Advanced timing over
(valve timing is out of specified range)
P0011
Retarded timing over
(valve timing is out of specified range)
P0012
If dtc p0011 or p0012 is displayed, check the vvt system circuit.
Read freeze frame data using the hand–held tester o ...


