Toyota Tundra. Manual — part 1463

Fig. 335: Identifying ECM Replacement Components With Torque Specifications

REMOVAL

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

NOTE:



Some systems need to be initialized after the cable is reconnected.
(See INITIALIZATION ).



After the ignition switch is turned OFF, the navigation system
requires approximately 90 seconds to record various types of
memory and settings. As a result, after turning the ignition switch
OFF, wait 90 seconds or more before disconnecting the cable from
the negative (-) battery terminal.

2008 Toyota Tundra

2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra

2. DISCONNECT CONNECTOR HOLDER BLOCK

a. Remove the 3 bolts and move the connector holder block so that the ECM can be removed in the

next step.

Fig. 336: Locating Connector Holder Block Bolts

3. REMOVE ECM

a. Raise the 2 levers while pushing the locks on the 2 levers.

Fig. 337: Pushing Locks On Levers

b. Disconnect the 2 connectors.

NOTE:

Make sure that the lock lever is raised 90° as shown in the illustration
before disconnecting the connectors. Failure to do this may cause
the connectors to break.

2008 Toyota Tundra

2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra

Fig. 338: Disconnecting Connectors

c. Remove the 4 bolts and ECM.

Fig. 339: Locating Bolts & ECM

4. REMOVE ECM GASKET

a. Peel off the rubber part of the gasket.

Fig. 340: Removing ECM Gasket

b. Spray gasket remover or equivalent on the remaining tape of the gasket.

2008 Toyota Tundra

2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra

Fig. 341: Spraying Gasket Remover On Remaining Tape Of Gasket

c. Use a cutter knife to remove the tape of the gasket.

INSTALLATION

1. INSTALL ECM GASKET

a. Clean the ECM seal's surface with non-residue solvent.

b. Attach a new gasket to the ECM.

Fig. 342: Removing Gasket

2. INSTALL ECM

a. Install the ECM with the 4 bolts.

Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf)

NOTE:

When using gasket remover or equivalent, cover the ECM connector
with a cloth.

NOTE:

Do not damage the ECM seal's surface with the knife.

NOTE:



Make sure the gasket is not folded or caught on any area on the
surrounding part.



Make sure there is no foreign matter caught between the gasket
and surrounding part.

2008 Toyota Tundra

2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra