DTC Detection Logic

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0452

EVAP SYS PRES SEN

(Evaporative emission system pressure sensor/switch low)

An excessively low voltage from the sensor is sent to ECM.

• Harness or connectors

  (EVAP control system pressure sensor circuit is shorted.)

• EVAP control system pressure sensor
• Sensor power supply 3 circuit.