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Inspection [06/2017 - ]: Procedure

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  1. INSPECT CANISTER (CHARCOAL CANISTER ASSEMBLY) 
    1. Visually check the canister (charcoal canister assembly).
      GTY755065Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Visually check the canister (charcoal canister assembly) for cracks or damage.

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

    2. Check canister (charcoal canister assembly) operation.
      1. With the purge line port closed, blow 0.5 kPa (0.005 kgf/cm2 , 0.1 psi) of air into the vent line port, and check that air flows from the air line port.
        GTY745485Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Vent Line Port
        *b Air Line Port
        *c Purge Line Port
        *d Air

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

      2. With the vent line port closed, blow 0.5 kPa (0.005 kgf/cm2 , 0.1 psi) of air into the air line port, and check that air flows from the purge line port.
        GTY747119Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Vent Line Port
        *b Air Line Port
        *c Purge Line Port
        *d Air

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

    3. Check for air leaks.
      1. Connect a pressure gauge to the vent line port.
        GTY747789Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Pressure Gauge
        *b Vent Line Port
        *c Air Line Port
        *d Purge Line Port
      2. With the purge line port closed, apply 20 kPa (150 mmHg, 5.91 in. Hg) of pressurized air into the vent line port, then confirm that pressure is maintained for 1 minute.

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

  2. INSPECT NO. 2 CHARCOAL CANISTER SUB-ASSEMBLY 
    1. Visually check the No. 2 charcoal canister sub-assembly.
      GTY755062Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Visually check the No. 2 charcoal canister sub-assembly for cracks or damage.

        If cracks or damage are found, replace the No. 2 charcoal canister sub-assembly.

    2. Check No. 2 charcoal canister sub-assembly operation.
      1. Blow 0.5 kPa (0.005 kgf/cm2 , 0.1 psi) of air into the port A, and check that air flows from the port B.
        GTY750853Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Port A
        *b Port B
        *c Air

        If the result is not as specified, replace the No. 2 charcoal canister sub-assembly.

    3. Check for air leaks.
      1. Connect a pressure gauge to the port A.
        GTY771232Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Port A
        *b Port B
        *c Leak Detection Pump Sub-assembly Connector
        *d Pressure Gauge
      2. With the port B and leak detection pump sub-assembly connector closed, apply 20 kPa (150 mmHg, 5.91 in. Hg) of pressurized air into the port A, then confirm that pressure is maintained for 1 minute.

        If the result is not as specified, replace the No. 2 charcoal canister sub-assembly.

    4. Check the leak detection pump sub-assembly.
      1. Connect a positive (+) lead from the battery to terminal 5 and a negative (-) lead to terminal 1.
        GTY755054Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Check that a clicking sound is heard from the leak detection pump sub-assembly.

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

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