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Home >> Nissan-Datsun >> 2007 >> Pathfinder LE, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0171 To P0453 >> DTC P0451 EVAP Control System Pressure Sensor >> Component Description
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Component Description

The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases.

Fig 1: Identifying EVAP Control System Pressure Sensor
G04911422Courtesy of NISSAN NORTH AMERICA, INC.
Fig 2: Identifying Sensor Output Voltage VS Absolute Pressure Graph
G04875260Courtesy of NISSAN NORTH AMERICA, INC.