LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2004 >> Altima Base, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control System - 2.5L >> DTC P0451: EVAP Control System Pressure Sensor >> Component Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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
G02884484Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Identifying EVAP Control System Pressure Sensor Output Voltage Graph
G02884485Courtesy of NISSAN MOTOR CO., U.S.A.