Aura, Outlook 2007

Evaporative Emission Control System

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Removal & Installation



Evaporative Emission Purge Solenoid
Removal & Installation
  1. Drain the fuel tank.
  2.  
  3. Place a jackstand under the muffler assembly.
  4.  
  5. With the aid of an assistant, separate the muffler insulators from the underbody hangers.
  6.  
  7. Slowly lower the muffler assembly allowing it to rest on the jackstand.
  8.  
  9. Disconnect the fuel tank fill Evaporative Emission (EVAP) pipe quick connect fitting from the fuel tank fill EVAP emission pipe.
  10.  
  11. Loosen, DO NOT REMOVE the left side fuel tank strap bolts.
  12.  
  13. Support the fuel tank with a suitable adjustable jackstand.
  14.  
  15. Loosen, DO NOT REMOVE the right side front fuel tank strap bolt.
  16.  
  17. Remove the right side rear fuel tank strap bolt.
  18.  
  19. Using the adjustable jack, lower the right side of the fuel tank enough to access the EVAP canister vent solenoid valve.
  20.  
  21. Disconnect the fuel tank fuel pump wiring harness electrical connector from the EVAP canister vent solenoid valve.
  22.  
  23. Disconnect the EVAP canister line quick connect fitting from the EVAP canister vent solenoid valve.
  24.  
  25. Insert and gently push a small flat-bladed tool between the EVAP canister vent solenoid and the retaining bracket, disengaging the retaining tab.
  26.  
  27. Slide the EVAP canister vent solenoid valve toward the rear of the vehicle.
  28.  

To install:

  1. Slide the EVAP canister vent solenoid valve onto the bracket on the fuel tank.
  2.  
  3. Connect the EVAP canister line quick connect fitting to the EVAP canister vent solenoid valve.
  4.  
  5. Connect the fuel tank fuel pump wiring harness electrical connector to the EVAP canister vent solenoid valve.
  6.  
  7. Using the adjustable jack, raise the right side of the fuel tank.
  8.  
  9. Install the right side rear fuel tank strap bolt.
  10.  
  11. Tighten the left side fuel tank strap bolts. Tighten to 15 ft. lbs. (20 Nm).
  12.  
  13. Tighten the right side front fuel tank strap bolt. Tighten to 15 ft. lbs. (20 Nm).
  14.  
  15. Install the remaining components in the reverse order of removal.
  16.  

2.4L Engine
  1. Remove the intake manifold cover.
  2.  
  3. Remove the air cleaner outlet duct.
  4.  
  5. Remove the generator battery control module cover, if necessary.
  6.  
  7. Disconnect the engine wiring harness electrical connector from the Evaporative Emission (EVAP) canister purge solenoid valve.
  8.  
  9. Disconnect the chassis EVAP line quick connect fitting from the EVAP canister purge solenoid valve.
  10.  
  11. Disconnect the engine EVAP line quick connect fitting from the EVAP canister purge solenoid valve.
  12.  
  13. Remove the EVAP canister purge valve bracket bolt.
  14.  
  15. Remove the EVAP canister purge valve with bracket.
  16.  
  17. Remove the EVAP canister purge valve from the bracket.
  18.  
  19. Inspect for carbon release in the EVAP canister purge valve ports. If there is any loose carbon, replace
  20.  
  21. the EVAP canister and any components necessary to remove the carbon particles.
  22.  

To install:

  1. Installation is the reverse of removal, tighten the EVAP canister purge valve bracket bolt to 18 ft. lbs. (25 Nm). Always use a new seal.
  2.  

3.5L Engines
  1. Remove the intake manifold cover.
  2.  
  3. Disconnect the engine wiring harness electrical connector from the Evaporative Emission (EVAP) canister purge solenoid.
  4.  
  5. Disconnect the EVAP pipe quick connect fitting from the EVAP canister purge solenoid.
  6.  
  7. Remove the EVAP canister purge solenoid bolt.
  8.  
  9. Remove the EVAP canister purge solenoid from the upper intake manifold.
  10.  
  11. Remove and discard the EVAP canister purge solenoid O-ring seal.
  12.  

To install:

  1. Installation is the reverse of removal, tighten the EVAP canister purge valve bracket bolt to 12 ft. lbs. (16 Nm). Always use a new seal.
  2.  

3.6L Engines
  1. Remove the fuel injector sight shield.
  2.  
  3. Disconnect the chassis EVAP pipe quick connect fitting from the EVAP purge solenoid.
  4.  
  5. Disconnect the EVAP emission canister tube quick connect fitting) from the EVAP purge solenoid.
  6.  
  7. Disconnect the engine wiring harness electrical connector from the Evaporative Emission (EVAP) purge solenoid.
  8.  
  9. Remove the EVAP purge solenoid bracket bolt.
  10.  
  11. Remove the EVAP purge solenoid.
  12.  

To install:

  1. Installation is the reverse of removal.
  2.  

Testing


Click image to see an enlarged view

Fig. Evaporative Emission (EVAP) Vent Solenoid-2.4L engine (A) Ignition 1 Voltage (B) EVAP Canister vent Solenoid Control


NOTE
Refer to Evaporative Emission System Tester such as J 41413-200 operation manual for detailed instructions.

  1. With the engine running, the EVAP canister vent solenoid valve open, and the EVAP canister purge solenoid valve commanded to 100 percent, the fuel tank vacuum should not increase to more than 12 inches H2O. If the fuel tank vacuum is greater than the specified value, isolate the restriction by disconnecting one component at a time while the EVAP canister purge solenoid valve is commanded to 100 percent and the vent valve is open.
  2.  
  3. Turn the ignition ON and fuel cap removed, verify that the FTP sensor parameter is between 1.3-1.7 volts. If the FTP sensor parameter is not within the specified range, test the FTP low reference circuit for an open or high resistance. If the circuit tests normal, replace the FTP sensor.
  4.  
  5. With a Fuel Tank Cap Adapter such as GE-41415-50 , connect the emission system tester to the fuel filler neck.
  6.  
  7. Start the engine.
  8.  
  9. Allow the engine to idle.
  10.  
  11. Use the Purge/Seal function to seal the system with a scan tool.
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  13. Command the EVAP canister purge solenoid valve to 20 percent.
  14.  
  15. Observe the vacuum/pressure gage on the emission system tester and the FTP parameter on the scan tool.
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  17. Verify that the vacuum increases to the abort limit on the scan tool or more than 3.2 volts, and the value is closely similar between the scan tool and the vacuum/pressure gage on the emission system tester. If the values are not similar or the voltage is not within the specified range, replace the FTP sensor.

    Click image to see an enlarged view

    Fig. Evaporative Emission (EVAP) Canister vent Solenoid Valve terminals-3.5L and 3.6L engines (A) Battery Positive Voltage (B) EVAP Canister Vent Solenoid Control

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