Diagnostic Method
Close the switching valve in the leak check valve assembly, and close the fuel tank completely, and perform the forced purging. If pressure change amount is 667 Pa (5 mmHg, 0.2 inHg) or less, judge as malfunction of purge flow.
Judge as NG when the following conditions are established.
JUDGMENT VALUE SPECIFICATION
| Malfunction Criteria | Threshold Value | ||
|---|---|---|---|
| Evaporative leak system pressure (gauge) Integrated purge gas amount |
More than -400 Pa (3 mmHg, 0.1 inHg) 3 g (0.11 oz)(1) or more |
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Time needed for diagnosis: Less than 1 s
Malfunction indicator light illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.