DTC Detection Logic

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0452

EVAP SYS PRES SEN

(EVAP control system pressure sensor low input)

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