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:
Inspection
1. Spark plug
Notice:
never use a wire brush for cleaning.
Never attempt to adjust the electrode gap on used
spark plug.
Spark plug should be replaced every 192,000 km
(120,000 miles).
Clean the spark plugs.
Air pressure: below 588 kpa (6.0 Kg/cm2, 85 psi)
duration: 20 sec ...
Definition of terms
Term
Definition
Monitor description
Description of what the ecm monitors and how it detects malfunction
(monitoring purpose and its details).
Related dtcs
Diagnostic code
Typical enabling condition
Preconditions that allow the ecm to detect m ...
Circuit description
When a misfire occurs in the engine, hydrocarbons (hc) enter the exhaust in
high concentrations. If this hc
concentration is high enough, there could be an increase in exhaust emissions
levels. High concentrations
of hc passing through the catalyst also cause to temperature of the catalyst to ...