DTC P1454: Fuel Tank Pressure (FTP) Sensor Circuit Range/Performance Problem: Notes

Fig 1: Fuel Tank Pressure (FTP) Sensor Output Graph

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 2: Malfunction Judgment Flowchart Of FTP Sensor And EVAP Canister Vent Shut Valve

Courtesy of AMERICAN HONDA MOTOR CO., INC.