DTC P1455 Vapor Reducing Fuel Tank System Malfunction: Description
Using the heated oxygen sensor and pressure switching VSV, the ECM detects fuel leaks from inside of a bladder tank in the fuel tank.
Based on signals from the heated oxygen sensor while the VSV for purge flow switching valve is ON, the ECM judges if fuel is leaked from the bladder tank or not.
DTC TROUBLE DETECTION CONDITION CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| P1455 | When VSV for purge flow switching valve is ON, vapor density of air which flows from purge VSV into intake manifold is high |
|