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Inspection [12/2019 - ]: Procedure

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  1. INSPECT CANISTER (CHARCOAL CANISTER ASSEMBLY) 
    1. Visually check the canister (charcoal canister assembly).
      GTY773676Courtesy 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 the 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.

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

        GTY746246Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Vent Line Port
        *b Air Line Port
        *c Purge Line Port
        *d Air
      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.

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

        GTY745029Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Vent Line Port
        *b Air Line Port
        *c Purge Line Port
        *d Air
    3. Check for air leaks.
      1. Connect a pressure gauge to the vent line port.
        GTY751589Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Pressure Gauge
        *b Vent Line Port
        *c Air Line Port
        *d Purge Line Port
        *e Leak Detection Pump Sub-assembly Connector
      2. With the purge line port, air line port and leak detection pump sub-assembly connector 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).

    4. Check the leak detection pump sub-assembly.
      1. Connect a positive (+) auxiliary battery lead to terminal 5 and a negative (-) auxiliary battery lead to terminal 1.
        GTY773675Courtesy 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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