Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Evaporative emission control
system leak detected
Toyota Corolla (E120): Evaporative emission control system leak detected
Dtc p0442 evaporative emission control system leak detected (small leak)
Dtc p0456 evaporative emission control system leak detected (very small leak)
Other materials:
Inspection procedure
1 Check voltage at ig2 of airbag sensor assy center
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connector of the airbag sensor assy center.
connect the negative (–) terminal cable to the battery,
and wa ...
Terminals of ecu
1. Inspect tvip ecu
Inspect the ecu–b, dome and ecu–ig fuses.
disconnect the tvip ecu connector, and the continuity and voltage of
check each terminal of the disconnected
connector.
Standard:
If the result is not as specified, the vehicle’s side may malfunction.
Reco ...
Replacement
Hint:
installation is according to the reverse order of the removal.
1. Remove fr wiper arm rh
2. Remove fr wiper arm lh
3. Remove hood to cowl top seal
4. Remove cowl top ventilator louver lh
5. Remove cowl top ventilator louver rh
6. Remove front door weatherstrip rh
7. Remove front ...


