DTC DETECTION LOGIC

DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0444
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
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

 
 DTC CONFIRMATION PROCEDURE

 
 1.CONDITIONING
 
 2.PERFORM DTC CONFIRMATION PROCEDURE