DTC P04ED: EVAP System Large Leak Detected - Fresh Air Side: Notes

WARNING: This page is about a different variant/trim than selected.

1. -

DTC detecting condition:

Detected when two consecutive driving cycles with fault occur.

Trouble symptom:

Gasoline odor

NOTE: After the faulty parts are repaired or replaced, perform the final check in Basic Diagnostic Procedure. Ref. to ENGINE (DIAGNOSTICS) (H4DO(HEV))>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE .

CHECK PURGE CONTROL SOLENOID VALVE .
Check the purge control solenoid valve. Ref. to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (H4DO(HEV))>PURGE CONTROL SOLENOID VALVE>INSPECTION .

Is the check result OK?

Yes: Go to 2.

No: Replace the purge control solenoid valve. Ref. to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (H4DO(HEV))>PURGE CONTROL SOLENOID VALVE .
CHECK MECHANICAL FAULTS .
Check the evaporative emission control system.
NOTE:
Check the following items.
- Evaporation line damage (crack, hole etc.)
- Clogged evaporation line
- Disconnection of evaporation line
- Misconnection of evaporation line Ref. to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (H4DO(HEV))>GENERAL DESCRIPTION>COMPONENT .
- Mechanical Relief Valve stuck Ref. to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (H4DO(HEV))>ELECTRIC VENT SOLENOID VALVE ASSEMBLY>INSPECTION>CHECK MECHANICAL RELIEF VALVE .
Is the check result OK?

Yes: Repair the poor contact of ECM connector.

No: Repair or replace faulty parts.