< Mode C>
WARNING: This page is about a different variant/trim than selected.
Judgment 1 (Switching valve operation confirmation)
Measure the pressure increase when switching valve is changed from open to close, and detect the stuck to open/close malfunctions of the switching valve.
Judge as NG when the following conditions are established.
JUDGMENT VALUE SPECIFICATIONS
| Malfunction Criteria | Threshold Value | DTC |
|---|---|---|
| Pressure sensor output value - Reference pressure for setting the target negative pressure | Less than 224Pa (1.68 mmHg, 0.1 inHg) | P2404 |
Judgment 2 (Sealing valve open stuck)
Judge as sealing valve open stuck if the amount of change of fuel tank pressure is equal to or larger than the specified value.
Detected as NG when the following conditions are established.
JUDGMENT VALUE SPECIFICATIONS
| Malfunction Criteria | Threshold Value | DTC |
|---|---|---|
| Tank pressure reference value |Fuel tank pressure change amount| |
-2.6 kPa (-19.8 mmHg, -0.8 inHg) or more Or, 3.5 kPa (26.4 mmHg, 1 inHg) or less More than 0.9 kPa (7.065 mmHg, 0.3 inHg) |
P2450 |