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Home >> Lexus >> 2007 >> LS 460 >> Repair and Diagnosis >> External Pages >> Different car >> Section 93 (Engine Control System) >> 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 Quest. 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: Identifying EVAP Control System Pressure Sensor
G00775467Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Identifying Out Put Voltage Graph
G00775468Courtesy of NISSAN MOTOR CO., U.S.A.