Toyota Corolla (E120) 2002–2008 Repair Manual / Steering column / Steering system
Toyota Corolla (E120): Steering system
Other materials:
Air conditioning filter
The air conditioning filter
must be changed regularly
to maintain air conditioning
efficiency.
Removing the air conditioning
filter
1. Turn the engine switch off.
2. Open the glove box. Slide off
the damper (if equipped).
3. Push in the glove box on the
vehicle's outer side to disconnect
the claws ...
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 ...
Circuit description
When the ignition switch is turned on, battery positive voltage is applied to
the coilwhich closes the contacts
of the efi main relay (marked: efi) and supplies power to terminal +b of the ecm.
This signal causes current to flow to the coil, closing the contacts of the efi
relay and supplyin ...


