Conditions for Setting the DTC
- The ECM detects that the FTP is less than -11.9 inches H2O (-22.2 mm Hg) or more than 6 inches H2O (11.2 mm Hg) for 4 seconds or for a cumulative of 50 seconds.
- The ECM detects that the FTP sensor signal oscillates more than 3.26 inches H20 (6.09 mm Hg) from a zero point for 4 seconds, or for a cumulative of 50 seconds. The zero point may vary and the vehicle speed must be between 10-30 km/h (6-19 mph) for this test.