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)

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Inspection procedure
1 Reconfirm dtc Check the dtc 2 Inspect skid control ecu connector securely connected 3 Inspect skid control ecu connector(ig1 terminal voltage) In case of using hand–held tester:  check the voltage condition output from the ecu displayed on the hand–held tester. O ...

Inspection procedure
1 Check ignition or starter switch assy Check the ignition switch, as shown in the illustration and table. Standard: 2 Check fuse (ecu–b) Remove the fuse from the instrument panel j/b.  check the continuity of the fuse. Standard: continuity 3 Check relay (m ...

Deactivating or stopping the alarm
Do one of the following to deactivate or stop the alarm: ● Unlock the doors or open the trunk. ● Vehicles without a smart key system: Turn the engine switch to the “ACC” or “ON” position, or start the engine. (The alarm will be deactivated or stopped after a few seconds.) & ...