DTC P0452: EVAP Control System Pressure Sensor Low Input: Description

The EVAP Control System Pressure Sensor (EVAP-CSPS) detects pressure in the purge line. The sensor output voltage to ECM increases as pressure increases. See Fig 1.

Fig 1: DTC P0452/P0453 CONSULT-II Reference Value In Data Monitor Mode

Courtesy of NISSAN MOTOR CO., U.S.A.