System Inspection
Engine
Engine Control - P0454 Evaporative Emission System-Pressure Sensor Intermittent - System Inspection
Component Inspection
1. Ignition "ON" & Engine "OFF".
2. Measure voltage between terminal 3 of the sensor harness connector and chassis ground (Do not disconnect FTPS harness connector)
Specification : Voltage increases proportionally with decreasing pressure (Approx. 2.5 V to 4.5 V)
3. Is voltage within the specification?