On-Vehicle Inspection

1. Check for cracks, leaks or damage.

HINT:

Separation of the engine oil dipstick, oil filler cap, PCV hose, etc. may cause an engine failure or engine malfunctions. Disconnection, looseness or cracks in the parts of the air induction system between the throttle body and cylinder head will allow air suction and cause an engine failure or engine malfunctions.

Fig 1: Inspecting Hoses, Connections And Gaskets

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the vent line hose from the fuel tank (See REMOVAL )
2. Apply pressure to the fuel tank and make the internal pressure of the air pressure 4 kPa (41 gf/cm² , 0.58 psi).
3. Check that the internal pressure of the fuel tank is maintained for 1 minute.
   Fig 2: Checking Air Tightness In Fuel Tank And Filler Pipe

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Check the connections for each hose and pipe.
5. Check the installed parts on the fuel tank. If there is no abnormality, replace the fuel tank and filler pipe.
6. Reconnect the vent line hose to the fuel tank.

1. Disconnect the vent line hose from the fuel tank (See REMOVAL ).
2. Apply 4 kPa (41 gf/cm² , 0.58 psi) to the vent port of the fuel tank.

   HINT:

   In the condition that the fuel is full, as the float value of the fill check valve is closed and has no ventilation, it is necessary to check the fuel amount (volume).

3. Remove the fuel tank cap, and check that the pressure inside the tank drops.

   If pressure does not drop, replace the fuel tank assembly.

4. Reconnect the vent line hose to the fuel tank.

Fig 3: Inspecting Fuel Cut-Off Valve And Fill Check Valve

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the air inlet line hose from the charcoal canister (See INSPECTION ).
2. Check that there is ventilation in the air inlet line.
3. Reconnect the air inlet line hose to the charcoal canister.

Fig 4: Checking Air Inlet Line

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002