Engine Controls - Harsh Shifts/Multiple DTC's/MIL ON

TRANSMISSION & CLUTCH
TC002-06
REVISED

March 3, 2006

Title:
HARSH SHIFT AND/OR M.I.L. "ON" DTC P0750, P0755, P0758, AND/OR P1760

Models:
'01 - '03 RAV4

TSB REVISION NOTICE:

^ March 15, 2006: The Parts Information table has been updated. Previous versions of this TSB should be discarded.

Introduction

Some 2001 - 2003 model year RAV4 vehicles equipped with an automatic transaxle may exhibit a harsh shift condition and/or M.I.L. ON" with DTC P0750, P0753, P0755, P0758, and/or P1760 stored. Improvements have been made to the Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) manufacturing process to reduce the possibility of this condition occurring. Use the following procedure to repair the vehicle.

Applicable Vehicles
^ 2001 - 2003 model year RAV4 vehicles equipped with automatic transmission.





Required Tools & Material





Warranty Information

Applicable Warranty:

This repair is covered under the Toyota Federal Emissions Warranty. This warranty is in effect for 96 months or 80,000 miles, whichever occurs first, from the vehicle's in-service date.

* Warranty application is limited to correction of a problem based upon a customer's specific complaint.





Parts Information





Required SSTs

NOTE:
Additional Diagnostic Tester Kits, Program Cards, or other SSTs may be ordered by calling SPX-OTC at 1-800-933-8335.

Inspection Procedure

1. If the vehicle is currently exhibiting a harsh shift condition and/or M.I.L. "ON" with DTC P0750, P0753, P0755, P0758, and/or P1760 stored, refer to the Technical Information System (TIS), 2001 - 2003 model year RAV4 Repair Manual:

^ 4WD: Diagnostics/Automatic Transaxle (U140f): Problem Symptoms Table

^ 2WD: Diagnostics/Automatic Transaxle (U142E): Problem Symptoms Table

NOTE:
In some instances the vehicle must be operated at least 30 minutes before the condition can be duplicated.

2. If the vehicle exhibits the above condition, replace the ECM (PCM).

Repair Procedure

1. Replace the ECM (PCM). Refer to TIS, 2001 - 2003 model year RAV4 Repair Manual: SFI: Engine Control Module (ECM): Components.

2. Test drive the vehicle until the engine reaches normal operating temperature to confirm that the vehicle is repaired.

NOTE:
^ In some instances the vehicle must be operated at least 30 minutes before the condition can be duplicated.

^ If the condition is still present after ECM replacement, the automatic transaxle assembly may also require replacement.