Toyota Corolla (E120) 2002–2008 Repair Manual / Emission control
Toyota Corolla (E120): Emission control
- Emission control system
- Engine assembly
- Fan and generator v belt
- Valve clearance
- Partial engine assy
- Chain sub–assy
- Camshaft
- Cylinder head gasket
- Timing gear cover oil seal
- Engine rear oil seal
- Cylinder head assy
- Cylinder block assy
Other materials:
Ecm (1zz–fe)
Replacement
1. Disconnect battery negative terminal
2. Remove glove compartment door assy
3. Remove ecm
Remove the 2 clips using a clip remover. Then, open the
cover.
Disconnect the 4 ecm connectors.
remove the wire harness from the wire harness clamp.
Remove the 2 ...
Inspection procedure
1 Check low pitched horn assy
Connect the positive (+) lead from the battery to the terminal
and negative (–) lead to the horn body, and check that
the horn blows.
2 Check relay (marking: horn)
Remove the relay from the engine room j/b.
check the horn relay conti ...
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 ...