Toyota Tundra Service Manual: 4wd Control Ecu

Components

COMPONENTS

ILLUSTRATION

Installation

INSTALLATION

PROCEDURE

1. INSTALL 4 WHEEL DRIVE CONTROL ECU

(a) Connect the 2 connectors.

(b) Install the 4 wheel drive control ECU with the 2 bolts, and then tighten them in the order shown in the illustration.

Torque:

8.0 N·m {82 kgf·cm, 71 in·lbf}

NOTICE:

  • Be careful not to drop the 4 wheel drive control ECU.
  • Do not subject the 4 wheel drive control ECU to strong shocks.

2. INSTALL CLEARANCE WARNING ECU WITH BRACKET

(See page )

3. INSTALL LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY RH

  • for Column Shift Type: (See page )
  • for Floor Shift Type: (See page )

4. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See page ).

Removal

REMOVAL

PROCEDURE

1. PRECAUTION

NOTICE:

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notice before proceeding with work (See page ).

2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See page ).

3. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY RH

  • for Column Shift Type: (See page )
  • for Floor Shift Type: (See page )

4. REMOVE CLEARANCE WARNING ECU WITH BRACKET

(See page )

5. REMOVE 4 WHEEL DRIVE CONTROL ECU

(a) Disconnect the 2 connectors.

(b) Remove the 2 bolts and 4 wheel drive control ECU.

NOTICE:

  • Be careful not to drop the 4 wheel drive control ECU.
  • Do not subject the 4 wheel drive control ECU to strong shocks.
    Wf1am Transfer

    4wd Control Switch

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