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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 360 (Engine Control System) >> Trouble Diagnosis >> DTC P0451: EVAP Control System Pressure Sensor >> Component Description
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Component Description

WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

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: Locating EVAP Control System Pressure Sensor
G00342997Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Pressure To Voltage Chart
G00342998Courtesy of NISSAN MOTOR CO., U.S.A.