Toyota Tundra. Manual — part 1635

Result

RESISTANCE SPECIFIED CONDITION

A: Go to step 34

B: Go to step 31

25. INSPECT INTAKE MANIFOLD (EVAP PURGE PORT)

a. Stop the engine.

b. Disconnect the purge line from the intake manifold.

c. Start the engine.

d. Use your finger to confirm that the port of the intake manifold has suction.

Result

RESULT CHART

e. Reconnect the purge line.

A: Go to step 32

B: Go to step 33

26. CORRECTLY REINSTALL OR REPLACE FUEL TANK CAP

HINT:



When reinstalling the fuel tank cap, tighten it until a few click sounds are heard.



When replacing the fuel tank cap, use a fuel tank cap that meets OEM specifications, and install it
until a few click sounds are heard.

NEXT: Go to step 36

27. REPLACE FUEL TANK CAP

HINT:

Tester Connection

Condition

Specified

Condition

Suspected Trouble Area

Proceed

to

A24-49 (MPMP) - R1-
1 (MTRB)

Always

Below 1 ohms

ECM

A

Always

10 kohms or
higher

Wire harness between ECM and
canister pump module

B

Test Result

Suspected Trouble Area

Proceed to

Suction applied Purge line between intake manifold and purge VSV

A

No suction

Intake manifold

B

2009 Toyota Tundra

2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra

Saturday, June 19, 2010 7:34:48 PM

Page 633

© 2006 Mitchell Repair Information Company, LLC.

When replacing the fuel cap, use a fuel cap that meets OEM specifications, and install it until a few click
sounds are heard.

NEXT: Go to step 36

28. LOCATE EVAP LEAK PART

Fig. 288: Identifying EVAP Tester Connection With Canister Pump Module

2009 Toyota Tundra

2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra

Saturday, June 19, 2010 7:34:48 PM

Page 634

© 2006 Mitchell Repair Information Company, LLC.

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

a. Disconnect the vent hose.

b. Connect an EVAP tester to the canister pump module with the adapter.

c. Pressurize the EVAP system to 3.2 to 3.7 kPa (24 to 28 mmHg).

d. Apply soapy water to the piping and connecting parts of the EVAP system.

e. Look for areas where bubbles appear. This indicates the leak point.

f. Repair or replace the leak point.

HINT:

Disconnect the hose between the canister and the fuel tank from the canister. Block the canister
side and conduct an inspection. In this way, the fuel tank can be excluded as an area suspected of
causing fuel leaks.

NEXT: Go to step 36

29. REPLACE CANISTER ASSEMBLY

a. Replace the canister assembly (see REMOVAL ).

NOTE:

When replacing the canister, check the canister pump module
interior and related pipes for water, fuel and other liquids. If liquids
are present, check for disconnections and/or cracks in the following:
1) the pipe from the air inlet port to the canister pump module; 2) the
canister filter; and 3) the fuel tank vent hose.

2009 Toyota Tundra

2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra

Saturday, June 19, 2010 7:34:48 PM

Page 635

© 2006 Mitchell Repair Information Company, LLC.

Fig. 289: Identifying Canister Pump Module Inspection Areas
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NEXT: Go to step 36

30. REPLACE PURGE VSV

2009 Toyota Tundra

2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra

Saturday, June 19, 2010 7:34:48 PM

Page 636

© 2006 Mitchell Repair Information Company, LLC.