<Mode C (switching valve operation confirmation)>
Purpose: 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 SPECIFICATION
| Malfunction Criteria | Threshold Value | DTC |
|---|---|---|
| Pressure sensor output value - Reference pressure for setting the target negative pressure | Less than 0.22 kPa (1.7 mmHg, 0.1 inHg) | P2404 |