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Home >> Toyota >> 2019 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 21 (Emission Control System (1AR-FE) (Service Information) (Except Hybrid)) >> Canister >> Inspection [12/2013 - 11/2016] >> Procedure

Inspection [12/2013 - 11/2016]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. INSPECT CANISTER (CHARCOAL CANISTER ASSEMBLY) 
    1. Slide the clip and disconnect the purge line hose from the canister (charcoal canister assembly).
      GTY443922Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Visually check the canister (charcoal canister assembly).
      1. Visually check the canister (charcoal canister assembly) for cracks or damage.

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

    3. 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.
        GTY424759Courtesy 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.
        GTY434552Courtesy 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).

    4. Check for air leaks.
      1. Connect a pressure gauge to the vent line port.
        GTY451969Courtesy 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).

    5. Check the leak detection pump sub-assembly.
      1. Connect a positive (+) battery lead to terminal 5 and a negative (-) battery lead to terminal 1.
        GTY454757Courtesy 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.

    6. Connect the purge line hose to the canister (charcoal canister assembly) and slide the clip to secure it.
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