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Inspection [12/2015 - 08/2016]: Procedure

WARNING: This page is about a different car, the 2016 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT CHARCOAL CANISTER ASSEMBLY 
    1. Visually check the charcoal canister assembly.
      1. Visually check the charcoal canister for cracks or damage.
        GTY441774Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        If cracks or damage are found, replace the charcoal canister assembly.

    2. Check canister operation.
      1. With the purge port closed, blow 5 kPa (0.05 kgf/cm2 , 0.7 psi) of air into the vent port, and check that air flows from the air inlet port.
        GTY442009Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *1 Vent Port
        *2 Air Inlet Port
        *3 Purge Port
        *a Air

        If the result is not as specified, replace the charcoal canister assembly.

      2. With the vent port closed, blow 5 kPa (0.05 kgf/cm2 , 0.7 psi) of air into the air inlet port, and check that air flows from the purge port.
        GTY444739Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *1 Vent Port
        *2 Air Inlet Port
        *3 Purge Port
        *a Air

        If the result is not as specified, replace the charcoal canister assembly.

    3. Check for air leaks.
      1. Connect a pressure gauge to the vent port of the charcoal canister.
        GTY706274Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *1 Vent Port
        *2 Air Inlet Port
        *3 Purge Port
        *4 Pressure Gauge
        *5 Leak Detection Pump Connector
      2. With the purge port, air inlet port and leak detection pump connector closed, apply 20 kPa (150 mmHg, 5.91 in.Hg) of pressurized air into the vent port, then confirm that pressure is retained for 1 minute.

        If the result is not as specified, replace the charcoal canister assembly.

  2. INSPECT CHARCOAL CANISTER LEAK DETECTION PUMP SUB-ASSEMBLY 
    1. Check the charcoal canister leak detection pump sub-assembly.
      1. Check that air flows from port A to port B.
        GTY375861Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        If the result is not as specified, charcoal canister leak detection pump sub-assembly.

        TEXT IN ILLUSTRATION

        *a Air
        *b Port A
        *c Port B
      2. Connect the positive (+) lead of the battery to terminal 5 and the negative (-) lead to terminal 1.
        GTY381714Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *a Component without harness connected
        (Charcoal Canister Assembly)
      3. Check that the valve is closed.

        If the result is not as specified, replace the charcoal canister leak detection pump sub-assembly.

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