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Inspection [12/2023 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.
  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.
      2. If cracks or damage are found, replace the canister (charcoal canister assembly).
    2. Check the canister (charcoal canister assembly) operation.
      1. GTY1241358Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Vent Line Port
        *b Air Line Port
        *c Purge Line Port
        *d Air

        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.

      2. If the result is not as specified, replace the canister (charcoal canister assembly).
      3. GTY1236035Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Vent Line Port
        *b Air Line Port
        *c Purge Line Port
        *d Air

        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.

      4. If the result is not as specified, replace the canister (charcoal canister assembly).
    3. Check for air leaks.
      1. GTY1236034Courtesy 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

        Connect a pressure gauge to the vent line port.

      2. With the purge line port, air line port and leak detection pump sub-assembly connector closed, apply 19.6 kPa (147 mmHg, 5.79 in.Hg) of pressurized air into the vent line port, then confirm that pressure is maintained for 1 minute.
      3. If the result is not as specified, replace the canister (charcoal canister assembly).
    4. Check the leak detection pump sub-assembly.
      1. GTY1232218Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Connect a positive (+) auxiliary battery lead to terminal 5 (VLVB) and a negative (-) auxiliary battery lead to terminal 1 (VGND).

      2. Check that a clicking sound is heard from the leak detection pump sub-assembly.
      3. If the result is not as specified, replace the leak detection pump sub-assembly.
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