Section 8 (Emission Control (2GR-FSE)): Canister: Inspection

WARNING: This page is about a different car, the 2006 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT CHARCOAL CANISTER ASSEMBLY
1. Visually check the charcoal canister for cracks or damage.
  
  Fig 1: Checking Charcoal Canister Cracks
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If cracks or damage are found, replace the charcoal canister.
2. Check canister operation.
  1. With the purge port closed, blow 1.67 kPa (0.02 kgf/cm² , 0.24 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.
    
    Fig 2: Checking Air Flows From Air Inlet Port
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. With the vent port closed, blow 1.10 kPa (0.01 kgf/cm² , 0.16 psi) of air inlet port, and check that air flows from the purge port. If the result is not as specified, replace the charcoal canister.
    
    Fig 3: Checking Air Flows From Purge Port
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check for air leakage.
  1. Remove the air hose between ports A and B.
  2. Connect the pressure gauge to the vent port of the charcoal canister.
  3. While holding port B, with the purge port and the air inlet port closed and port A open, 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.
    
    Fig 4: Connecting Pressure Gauge To Vent Port Of Charcoal Canister
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    
    SST 09992-00242
    
    If the result is not as specified, replace the charcoal canister.
4. Check the leak detection pump.
  1. Remove the detection pump from the charcoal canister.
  2. Check that air flows from port A to B and then to C.
    If the result is not as specified, replace the charcoal canister.
    
    Fig 5: Checking Air Flows From Port A To B And C
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Connect the positive (+) lead of the battery to terminal 7 and the negative (-) lead to terminal 6.
  4. Check that the valve is closed.
    If the result is not as specified, replace the charcoal canister.
  5. Install the detection pump.
    
    Fig 6: Identifying Connector 7 And 8 Terminal
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002