S Nissan Sentra Manuals Library
Factory-style information for owners and repair work

Nissan Sentra techinfo

Find Nissan Sentra owner information, maintenance instructions, technical references, service procedures and useful repair pages in one clean online library.

Quick access Sentra Docs
B18 Owner's 2020-2025 Sentra owner information B18 Service 2020-2025 Sentra Workshop manual B17 Owner's 2013-2019 Sentra owner documentation B17 Service 2013-2019 Sentra service information

Nissan Sentra B18 (2020-2025) Service Manual: P0443 Evap Canister Purge Volume Control Solenoid Valve

Dtc Description

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0443

PURG VOLUME CONT/V

(Evaporative emission system purge control valve circuit)

A

Diagnosis condition

—

Signal (terminal)

—

Threshold

The canister purge flow is detected during the Nissan Sentra vehicle is stopped while the engine is running, even when EVAP canister purge volume control solenoid valve is completely closed

Diagnosis delay time

—

B

Diagnosis condition

—

Signal (terminal)

—

Threshold

The canister purge flow is detected during the specified driving conditions, even when EVAP canister purge volume control solenoid valve is completely closed

Diagnosis delay time

—

POSSIBLE CAUSE

  • 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.)

FAIL-SAFE

Not applicable

Confirmation Procedure

Confirmation Procedure

  1. PRECONDITIONING

    If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

    TESTING CONDITION:

    • Perform DTC CONFIRMATION PROCEDURE when the fuel is between 1/4 and 3/4 full, and Nissan Sentra vehicle is placed on flat level surface.

    • Always perform test at a temperature of 5 to 60°C (41 to 140°F).

    • Cool the Nissan Sentra 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 – 35°C (32 – 95°F)

    4. Start the engine and wait at least 60 seconds.

    5. Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES >>

    Proceed to DTC Diagnosis Procedure.

    NO >>

    GO TO 3.

  3. PERFORM DTC CONFIRMATION PROCEDURE B

    With CONSULT

    1. Start the 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 the 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 “SELF-DIAG RESULT”.

    Is “OK” displayed on CONSULT screen?

    YES-1 >>

    To check malfunction symptom before repair: Refer to Intermittent Incident.

    YES-2 >>

    Confirmation after repair: INSPECTION END

    NO >>

    Proceed to DTC 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.

      +

      −

      Voltage

      ECM

      Connector

      Terminal

      E16

      138

      Ground

      3.1 – 4.0 V

    3. Start the engine and wait at least 60 seconds.

    4. Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES >>

    Proceed to DTC Diagnosis Procedure.

    NO >>

    GO TO 5.

  5. PERFORM DTC CONFIRMATION PROCEDURE

    With GST

    1. Start the engine and warm it up to normal operating temperature.

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

    3. Start the engine and let it idle for at least 20 seconds.

    4. Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES >>

    Proceed to DTC Diagnosis Procedure.

    NO-1 >>

    To check malfunction symptom before repair: Refer to Intermittent Incident.

    NO-2 >>

    Confirmation after repair: INSPECTION END

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

  1. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE POWER SUPPLY

    1. Turn ignition switch OFF.

    2. Disconnect EVAP canister purge volume control solenoid valve harness connector.

    3. Turn ignition switch ON.

    4. Check the voltage between EVAP canister purge volume control solenoid valve harness connector and ground.

      +

      −

      Voltage

      EVAP canister purge volume control solenoid valve

      Connector

      Terminal

      F13

      1

      Ground

      Battery voltage

    Is the inspection result normal?

    YES >>

    GO TO 3.

    NO >>

    GO TO 2.

  2. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT

    1. Turn ignition switch OFF.

    2. Disconnect IPDM E/R harness connector.

    3. Check the continuity between EVAP canister purge volume control solenoid valve harness connector and IPDM E/R harness connector.

      EVAP canister purge volume control solenoid valve

      IPDM E/R

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      F13

      1

      F96

      73

      Existed

    4. Also check harness for short to ground.

    Is the inspection result normal?

    YES >>

    Perform the trouble diagnosis for power supply circuit.

    NO >>

    Repair or replace malfunctioning part.

  3. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE GROUND CIRCUIT

    1. Turn ignition switch OFF.

    2. Disconnect ECM harness connector.

    3. Check the continuity between EVAP canister purge volume control solenoid valve harness connector and ECM harness connector.

      EVAP canister purge volume control solenoid valve

      ECM

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      F13

      2

      F25

      122

      Existed

    4. Also check harness for short to power.

    Is the inspection result normal?

    YES >>

    GO TO 4.

    NO >>

    Repair or replace malfunctioning part.

  4. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR CONNECTOR

    1. Disconnect EVAP control system pressure sensor harness connector.

    2. Check connectors for water.

      Water should not exist.

    Is the inspection result normal?

    YES >>

    GO TO 5.

    NO >>

    Replace EVAP control system pressure sensor. Refer to Exploded View.

  5. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR

    Check the EVAP control system pressure sensor. Refer to Component Inspection.

    Is the inspection result normal?

    YES-1 >>

    With CONSULT: GO TO 6.

    YES-2 >>

    Without CONSULT: GO TO 7.

    NO >>

    Replace EVAP control system pressure sensor. Refer to Exploded View.

  6. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE

    With CONSULT

    1. Turn ignition switch OFF.

    2. Reconnect harness connectors disconnected.

    3. Start the engine.

    4. Perform “PURG VOL CONT/V” in “ACTIVE TEST” mode of “ENGINE” using CONSULT. Check that engine speed varies according to the valve opening.

    Is the inspection result normal?

    YES >>

    GO TO 8.

    NO >>

    GO TO 7.

  7. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE

    Check the EVAP canister purge volume control solenoid valve. Refer to Component Inspection.

    Is the inspection result normal?

    YES >>

    GO TO 8.

    NO >>

    Replace EVAP canister purge volume control solenoid valve. Refer to Exploded View.

  8. CHECK RUBBER TUBE FOR CLOGGING

    1. Disconnect rubber tube connected to EVAP canister vent control valve.

    2. Check the rubber tube for clogging.

    Is the inspection result normal?

    YES >>

    GO TO 9.

    NO >>

    Clean the rubber tube using an air blower.

  9. CHECK EVAP CANISTER VENT CONTROL VALVE

    Check the EVAP canister vent control valve. Refer to Component Inspection.

    Is the inspection result normal?

    YES >>

    GO TO 10.

    NO >>

    Replace EVAP canister vent control valve. Refer to Exploded View.

  10. CHECK IF EVAP CANISTER IS SATURATED WITH WATER

    1. Remove EVAP canister with EVAP canister vent control valve and EVAP control system pressure sensor attached.

    2. Check if water will drain from EVAP canister.

    Does water drain from the EVAP canister?

    YES >>

    GO TO 11.

    NO >>

    INSPECTION END

  11. CHECK EVAP CANISTER

    Weigh the EVAP canister with the EVAP canister vent control valve and EVAP control system pressure sensor attached.

    The weight should be less than 2.1 kg (4.6 lb).

    Is the inspection result normal?

    YES >>

    INSPECTION END

    NO >>

    GO TO 12.

  12. DETECT MALFUNCTIONING PART

    Check the following.

    • EVAP canister for damage

    • EVAP hose between EVAP canister and Nissan Sentra vehicle frame for clogging or poor connection

    >>

    Repair hose or replace EVAP canister. Refer to Removal and Installation.

    P0441 Evap Control System
    Dtc Description DTC Description In this evaporative emission (EVAP) control system, purge flow occurs during non-closed throttle conditions. Purge volume is related to air intak...
    P0444 Evap Canister Purge Volume Control Solenoid Valve
    Dtc Description DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P0444 PURG VOLUME CONT/V (Evaporative emission s...

    Other materials:

    Belt and Pulleys
    Exploded View Exploded View Transaxle assembly Differential side oil seal ...

    Rear Seat
    Exploded View Exploded View 60:40 SPLIT SEATBACK 1. Seatback striker 2. Rear seatback insulator (RH) ...

    Component Parts
    Meter System Component Parts Location Component Parts Location MODELS WITH CVT A. View of engine assembly removed ...