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1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM ES–231 ES (b)Purge VSV stuck closed In operation D, the canister pressure sensor measures the EVAP system pressure. The pressure 2. PURGE FLOW MONITOR The purge flow monitor consists of the two step monitors. The 1st monitor is conducted every time and EVAP Pressure when Purge VSV Stuck Closed: Purge VSV Vent Valve Leak Detection EVAP Pressure Positive Negative First Reference Sequence Time 10 seconds 60 10 60 Malfunction ON: Open OFF: Closed OFF: Vent ON: Closed OK ON ON ON A B C D E Within 15 minutes A106059E06 OK OK EVAP Pressure Vent Valve Purge VSV EVAP Pressure During Purge Flow Monitor: Open 0.1 kPa-g (0.75 mmHg-g) 0.5 kPa-g (3.75 mmHg-g) Malfunction 1st Monitor 2nd Monitor ON (Closed) A112640E01 |