Toyota Tundra. Manual — part 1767

Fig. 87: Disconnecting Air Inlet Line Hose
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

3

Pull out the hose

e

Disconnect the vent line hose

1

Pinch the retainer and then raise it

f

Disconnect the wire harness clamp

NOTE:



Do not use any tools in this procedure.



Check for any dirt and foreign matter contamination in the
canister and around the hose. Clean if necessary. Foreign
matter may damage the O-rings or cause leaks in the seal
between the canister and hose.

NOTE:



Do not use any tools in this procedure.



Check for any dirt and foreign matter contamination in the
valve and around the connector. Clean if necessary.
Foreign matter may damage the O-rings or cause leaks in
the seal between the valve and connector.

2009 Toyota Tundra

2009 ENG NE Emission Control (3UR-FE) - Tundra

Fig. 88: Identifying Wire Harness Clamp
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

g

Remove the 4 bolts and canister

Fig. 89: Identifying Canister Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION

1

INSPECT CANISTER ASSEMBLY

a

Visually check the canister for cracks or damage If cracks or damage are found, replace the
canister assembly

Fig. 90: Checking Canister For Cracks And Damage
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 ENG NE Emission Control (3UR-FE) - Tundra

b

Check for the canister operation

1

With the purge port closed, blow 2 kPa (20 gf/cm

2

, 0 3 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 canister assembly

Fig. 91: Checking Canister Operation
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2

With the vent port closed, blow 1 kPa (10 gf/cm

2

, 0 2 psi) of air inlet port, and check that air

flows from the purge port

If the result is not as specified, replace the canister assembly

Fig. 92: Checking Air Flows From Purge Port
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c

Check for air leak

1

Remove the air hose between ports A and B

2

Connect the pressure gauge to the vent port of the canister

2009 Toyota Tundra

2009 ENG NE Emission Control (3UR-FE) - Tundra

Fig. 93: Connecting Pressure Gauge To Vent Port Of Canister
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

3

With port B, purge port and the air inlet port closed and port A open, apply 20 kPa (0 2
kgf/cm

2

, 2 9 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 canister assembly

d

Check the leak detection pump

1

Remove the detection pump from the canister

2

Check that air flows from port A to B and then to C

If the result is not as specified, replace the canister assembly

Fig. 94: Checking Air Flow From Port A To B & Then To C
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 ENG NE Emission Control (3UR-FE) - Tundra