Toyota
Nissan Versa
 Sedan Service Manual
Engine » Engine control system (EC) » P0444, P0445 EVAP canister purge volume control solenoid valve
DTC Logic

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 open or shorted.)
  • EVAP canister purge volume control solenoid valve

DTC CONFIRMATION PROCEDURE

1.CONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION: Before performing the following procedure, confirm battery voltage is more than 11 V at idle.

>> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

  1. Start engine and let it idle for at least 13 seconds.
  2. Check 1st trip DTC.

Is 1st trip DTC detected?

YES >> Go to EC, "Diagnosis Procedure".

NO >> INSPECTION END

    More about «P0444, P0445 EVAP canister purge volume control solenoid valve»:

    DTC Logic

    Diagnosis Procedure

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