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Nissan Versa
 Sedan Service Manual
Engine » Engine control system (EC) » P0443 EVAP canister purge volume control solenoid valve
DTC Logic

DTC DETECTION LOGIC

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0443 PURG VOLUME CONT/V (EVAP canister purge volume control solenoid valve) A The canister purge flow is detected during the vehicle is stopped while the engine is running, even when EVAP canister purge volume control solenoid valve is completely closed.
  • EVAP control system pressure sensor
  • EVAP canister purge volume control solenoid valve (The valve is stuck open.)
  • EVAP canister vent control valve
  • EVAP canister
  • Hoses (Hoses are connected incorrectly or clogged.)
B The canister purge flow is detected during the specified driving conditions, even when EVAP canister purge volume control solenoid valve is completely closed.

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

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:

  • Perform DTC CONFIRMATION PROCEDURE when the fuel is between 1/4 and 3/4 full, and vehicle is placed on flat level surface.
  • Always perform test at a temperature of 5 to 60C (41 to 140F).
  • Cool the vehicle so that engine coolant temperature becomes same level as ambient temperature.

Do you have CONSULT

YES >> GO TO 2.

NO >> GO TO 4.

2.PERFORM DTC CONFIRMATION PROCEDURE A

With CONSULT

  1. Turn ignition switch ON.
  2. Select "DATA MONITOR" mode of "ENGINE" using CONSULT.
  3. Check that the following condition are met.

    FUEL T/TMP SE: 0 35C (32 95F)

  4. Start engine and wait at least 60 seconds.
  5. Check 1st trip DTC.

Is 1st trip DTC detected?

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

NO >> GO TO 3.

3.PERFORM DTC CONFIRMATION PROCEDURE B

With CONSULT

  1. Start engine and warm it up to normal operating temperature.
  2. Turn ignition switch OFF and wait at least 10 seconds.
  3. Turn ignition switch ON.
  4. Select "PURG VOL CN/V P1444" of "EVAPORATIVE SYSTEM" in "DTC WORK SUPPORT" mode of "ENGINE" using CONSULT.
  5. Touch "START".
  6. Start engine and let it idle until "TESTING" on CONSULT changes to "COMPLETED". (It will take approximately 10 seconds.) If "TESTING" is not displayed after 5 minutes, retry from step 2.
  7. Touch "SELFDIAG RESULT".

Which is displayed on CONSULT?

OK >> INSPECTION END

NG >> Proceed to EC, "Diagnosis Procedure".

4.PERFORM DTC CONFIRMATION PROCEDURE A

With GST

  1. Turn ignition switch ON.
  2. Check the voltage between ECM harness connector and ground.
  3. Start engine and wait at least 60 seconds.
  4. Check 1st trip DTC.

Is 1st trip DTC detected?

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

NO >> GO TO 5.

5.PERFORM DTC CONFIRMATION PROCEDURE

With GST

  1. Start engine and warm it up to normal operating temperature.
  2. Turn ignition switch OFF and wait at least 10 seconds.
  3. Start engine and let it idle for at least 20 seconds.
  4. Check 1st trip DTC.

Is 1st trip DTC detected?

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

NO >> INSPECTION END

    More about «P0443 EVAP canister purge volume control solenoid valve»:

    DTC Logic

    Diagnosis Procedure

    Component Inspection

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