DTC Detection Logic

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0444

PURG VOLUME CONT/V

(EVAP canister purge volume control solenoid valve circuit open)

An excessively low voltage signal is sent to ECM through the valve

• Harness or connectors

  (The solenoid valve circuit is open or shorted.)

• EVAP canister purge volume control solenoid valve

P0445

PURG VOLUME CONT/V

(EVAP canister purge volume control solenoid valve circuit shorted)

An excessively high voltage signal is sent to ECM through the valve

• Harness or connectors

  (The solenoid valve circuit is shorted.)

• EVAP canister purge volume control solenoid valve