Malfunction Threshold
The output from the fuel tank pressure sensor is -4 kPa (-1.0 in.Hg, -25 mmHg)*, -2 kPa (-0.4 in.Hg, -10 mmHg)** or less for at least 1.04*, 10** seconds.
* : Elapsed time after the FTP sensor output exceeds the malfunction threshold.
** : Excessive negative pressure is detected.