Toyota Tundra. Manual — part 2194

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

2. Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.

SST 09843-18040

3. Using the timing light, check the ignition timing.

Standard ignition timing:

8 to 12° BTDC @ idle (transmission in neutral and A/C switch OFF)

4. Remove SST from the DLC3.

5. Check the ignition timing.

Standard ignition timing:

7 to 24° BTDC @ idle (transmission in neutral and A/C switch OFF)

NOTE:



Confirm the terminal numbers before connecting them.
Connecting the wrong terminals can damage the engine.



Switch off all accessories and the A/C before connecting
the terminals.

Fig. 2: Identifying DLC3 Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 ENGINE Engine Mechanical (3UR-FBE) - Tundra

Fig. 3: Checking Ignition Timing
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

6. Disconnect the timing light from the engine.

2. INSPECT ENGINE IDLE SPEED

a. Warm up and stop the engine.

1. Allow the engine to warm up to a normal operating temperature.

b. When using the Techstream:

1. Connect the Techstream to the DLC3.

2. Race the engine at 2500 RPM for approximately 90 seconds.

3. Turn the Techstream main switch ON.

4. Enter the following menus: Powertrain/Engine and ECT/Data List/Primary/Engine Speed.

Standard idle speed:

650 to 750 RPM (transmission in neutral and A/C switch OFF)

HINT:

Refer to the Techstream operator's manual for further details.

NOTE:

Switch off all accessories and the A/C before connecting the
Techstream.

2009 Toyota Tundra

2009 ENGINE Engine Mechanical (3UR-FBE) - Tundra

If the idle speed is not as specified, check the air intake system.

5. Disconnect the Techstream from the DLC3.

c. When not using the Techstream:

1. Using SST, connect the tachometer probe to terminal 9 (TAC) of the DLC3.

SST 09843-18030

2. Race the engine at 2500 RPM for approximately 90 seconds.

3. Check the idle speed.

Standard idle speed:

650 to 750 RPM (transmission in neutral and A/C switch OFF)

If the idle speed is not as specified, check the air intake system.

4. Disconnect the tachometer probe from the DLC3.

3. INSPECT COMPRESSION

a. Warm up and stop the engine.

1. Allow the engine to warm up to a normal operating temperature.

b. Remove the V-bank cover.

c. Remove the air cleaner hose assembly.

d. Remove the air cleaner cap.

e. Disconnect the 2 injector connectors and 8 ignition coil connectors.

NOTE:



Confirm the terminal number before connecting the probe.
Connecting the probe to the wrong terminal can damage
the engine.



Switch off all accessories and the A/C before connecting
the probe.

Fig. 4: Identifying DLC3 Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 ENGINE Engine Mechanical (3UR-FBE) - Tundra

Fig. 5: Locating Ignition Coil Connectors
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

f. Remove the 8 bolts and 8 ignition coils.

g. Remove the 8 spark plugs.

h. Check the cylinder compression pressure.

1. Insert a compression gauge into the spark plug hole.

2. Fully open the throttle.

3. While cranking the engine, measure the compression pressure.

Standard compression pressure:

1300 kPa (13.3 kgf/cm

2

, 189 psi)

Minimum pressure:

1000 kPa (10.2 kgf/cm

2

, 145 psi) or more

Difference between each cylinder:

100 kPa (1.0 kgf/cm

2

, 15 psi) or less

NOTE:

Check each cylinder's compression pressure in the same way.

2009 Toyota Tundra

2009 ENGINE Engine Mechanical (3UR-FBE) - Tundra