Section 7 (Emission Control System (2AZ-FE)): Canister: Inspection

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INSPECT CHARCOAL CANISTER ASSEMBLY
1. Visually check the charcoal canister for cracks or damage.
  If cracks or damage are found, replace the charcoal canister assembly.
  
  Fig 1: Checking Canister For Cracks And Damage
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check charcoal canister operation.
  1. With the purge port closed, blow 1.10 kPa (11.2 gf/cm² , 0.16 psi) of air into the vent port, and check that air flows from the air inlet port. If the result is not as specified, replace the charcoal canister assembly.
    
    Fig 2: Checking Air Flows From Air Inlet Port While Purge Port Closed
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. With the vent port closed, blow 1.10 kPa (11.2 gf/cm² , 0.16 psi) of air into the air inlet port, and check that air flows from the purge port. If the result is not as specified, replace the charcoal canister assembly.
    
    Fig 3: Checking Air Flows From Purge Port While Vent Port Closed
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check for air leakage.
  1. With the purge port and air inlet port closed, apply 19.6 kPa (0.2 kgf/cm² , 2.81 psi) 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.
    
    Fig 4: Checking Air Leakage Of Charcoal Canister Assembly
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002