DTC Detection Logic

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0453

EVAP SYS PRES SEN

(EVAP control system pressure sensor high input)

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

• Harness or connectors

  (EVAP control system pressure sensor circuit is shorted.)

• EVAP control system pressure sensor
• EVAP canister vent control valve
• EVAP canister
• Rubber hose from EVAP canister vent control valve to vehicle frame
• Sensor power supply 3