LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2009 >> Sienna LE, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC P043E/P043F/P2401/P2402/P2419 - P0607 >> DTC P0443 Evaporative Emission Control System Purge Control Valve Circuit >> Inspection Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Procedure

  1. PERFORM ACTIVE TEST USING TECHSTREAM 
      Fig 1: VSV ON / OFF
      G00483314Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the vacuum hose from the purge VSV.
    2. Connect the Techstream to the DLC3.
    3. Start the engine and turn the tester ON.
    4. Enter the following menus: Power train / Engine / Active Test / Activate the VSV for EVAP Control. Press the right or left button.
    5. Check if air is sucked into the port when operating the purge VSV using the tester.
      Standard:

      TESTER OPERATION SPECIFIED CONDITION
      VSV is OFF No air sucked
    6. Reconnect the vacuum hose.
    NOTE: The Activate the VSV for EVAP Control active test is used to operate the purge VSV.

    OK: CHECK FOR INTERMITTENT PROBLEMS 

  2. INSPECT PURGE VSV (OPERATION) 
    Fig 2: Inspecting Purge VSV
    G00483315Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the V3 purge VSV connector.
    2. Measure the resistance between the terminals of the purge VSV.

      Standard resistance:

      23 to 26 O at 20°C (68°F)

    3. Reconnect the purge VSV connector.

      NG: REPLACE DUTY VACUUM SWITCHING VALVE 

  3. INSPECT PURGE VSV (POWER SOURCE VOLTAGE) 
      Fig 3: Purge VSV Connector
      G00483318Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the V3 purge VSV connector.
    2. Turn the ignition switch to the ON position.
    3. Measure the voltage between the terminal of the wire harness side connector and body ground.
      Standard voltage:

      TESTER CONNECTION SPECIFIED CONDITION
      Purge VSV (V3-1) - Body ground 9 to 14 V
    4. Reconnect the purge VSV connector.
  4. CHECK HARNESS AND CONNECTOR (ECM - PURGE VSV) 
    Fig 4: ECM and V3 Purge Connector
    G00483316Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the V3 purge VSV connector.
    2. Disconnect the E9 ECM connector.
    3. Measure the resistance between the terminals.
      Standard resistance (Check for open):

      TESTER CONNECTION SPECIFIED CONDITION
      Purge VSV (V3-2) - PRG (E9-34) Below 1 O
      Standard resistance (Check for short):

      TESTER CONNECTION SPECIFIED CONDITION
      Purge VSV (V3-2) or PRG (E9-34) - Body ground 10 kO or higher
    4. Reconnect the ECM connector.
    5. Reconnect the purge VSV connector.

      6. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

      OK: REPLACE ECM 

  5. CHECK HARNESS AND CONNECTOR (EFI NO. 2 FUSE - ENGINE ROOM J/B (EFI RELAY)) 
    Fig 5: EFI No. 2 Fuse / Engine Room J/B
    G00483317Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Inspect the EFI No. 2 fuse.
      1. Remove the EFI No. 2 fuse from the engine room J/B.
      2. Measure the EFI No. 2 fuse resistance.

        Standard resistance:

        Below 1 O

      3. Reinstall the EFI No. 2 fuse.
    2. Remove the EFI relay from the engine room J/B.
    3. Disconnect the V3 purge VSV connector.
    4. Measure the resistance between the terminals.

      Standard Resistance:

      Check for open

      TESTER CONNECTION SPECIFIED CONDITION
      Purge VSV (V3-1) - EFI relay terminal 3 Below 1 O
    5. Reinstall the EFI relay.
    6. Reconnect the purge VSV connector.

      7. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

      OK: REPAIR OR REPLACE POWER SOURCE CIRCUIT 

scientia non olet · About LEMON Manuals