Canada - Drivetrain - Automatic Disconnecting Diff. Inop.

T-TCI-3772

May 10, 2012

AUTOMATIC DISCONNECTING DIFFERENTIAL (A.D.D.) SHIFT ACTUATOR INOPERATIVE

Service Category
Drivetrain

Section
Transfer/4WD/AWD

Market
Canada





APPLICABILITY:

INTRODUCTION:

Some 2003 - 2012 model year 4Runner, 2007 - 2012 model year FJ Cruiser and 2005 - 2012 model year Tacoma vehicles equipped with part-time 4WD may exhibit a flashing 4WD indicator light and inoperative 4WD system. Follow the procedures in the bulletin to address this condition.





PARTS INFORMATION:





WARRANTY INFORMATION:





REQUIRED TOOLS & EQUIPMENT:

REPAIR PROCEDURE:

1. Confirm the 4WD system is inoperative and the 4WD light is flashing.

2. Remove the A.D.D actuator assembly.





Refer to the ETAS/TIS library applicable model and model year Repair Manual.

3. Perform A.D.D actuator movement and resistance inspection per the Repair Manual.








Refer to the ETAS/TIS library, applicable model and model year Repair Manual.

Are the A.D.D. actuator movement and resistance inspections correct per the Repair Manual?

^ YES - This bulletin does NOT apply continue diagnosis per the Repair Manual.

^ NO-Go to step 4

4. Replace the A.D.D. actuator.








Refer to the ETAS/TIS library, applicable model and model year Repair Manual.

5. Confirm the repair and 4WD system operation.

NOTE:
Issue of the Technical Service Bulletin is to ensure that proper repair information is available. IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR. Normal provisions of the formal warranty policy, as applicable, will apply.

© 2012 Toyota Motor Sales, Canada