Toyota Corolla (E120): Evaporative emission control system

Dtc p0441 evaporative emission control system incorrect purge flow

Dtc p0446 evaporative emission control system vent control circuit

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Inspection procedure
Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the ...

Checking the engine coolant
The coolant level is satisfactory if it is between the "MAX" and "MIN" lines on the reservoir when the engine is cold. Reservoir "MAX" line "MIN" line If the level is on or below the "MIN" line, add coolant up to the "MAX" line. ■Coolant selection Only use "Toyota Super Long Life Coolant" or ...

Inspection procedure
Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the ...