Engine, A/T Controls - ECM/TCM Update For A/T Shifting
T-SB-0287-10October 13, 2010
ECM/TCM Calibration: Shift Feeling Enhancement
Service Category
Engine/Hybrid System
Section
Engine Control
Market
USA
Applicability
Introduction
To improve the shifting performance and smoothness during acceleration the Engine Control Module (ECM SAE term: Powertrain Control Module/PCM) and Transaxle Control Module (TCM) calibration has been revised. Use the following repair procedure to address customer concerns.
Production Change Information
This TSB applies to vehicles produced BEFORE the Production Change Effective VINs shown below.
Warranty Information
APPLICABLE WARRANTY
^ This repair is covered under the Toyota Federal Emission Warranty. This warranty is in effect for 96 months or 80,000 miles, whichever occurs first, from the vehicle's in-service date.
^ For 2010 - 2011 4-cylinder Camry models certified as PZEV (Partial Zero Emission Vehicle) that are sold, registered, and operated in California, Connecticut, Maine, Maryland (starting with '11 MY), Massachusetts, New Jersey, New Mexico, New York, Oregon, Rhode Island, and Vermont, this repair is covered under the California Emission Warranty. This warranty is in effect for 180 months or 150,000 miles, whichever occurs first, from the vehicle's in-service date.
^ Warranty application is limited to occurrence of the specified condition described in this bulletin.
Required Tools & Equipment
Parts Information
NOTE
^ The ECM (PCM) or TCM should NOT be replaced as part of the repair procedure.
^ Authorized Modification Labels may be ordered in packages of 25 from the Materials Distribution Center (MDC) through Dealer Daily - Dealer Support Materials Orders.
Calibration Information
Repair Procedure
1. Check for the Authorized Modifications Label affixed to the vehicle in the location shown in Figure 1. Confirm if the ECM (PCM) or TCM calibration has been updated. If the calibration ID listed is NOT the latest ECM (PCM) or TCM calibration - go to step 2.
2. Flash reprogram the ECM (PCM) and TCM.
^ The GR8 Battery Diagnostic Station MUST be used in Power Supply Mode to maintain battery voltage at 13.5 volts while flash reprogramming the vehicle.
^ For details on how to use the GR8 Battery Diagnostic Station, refer to the GR8 Instruction Manual located on the Technical Information System (TIS), Diagnostics - Tools & Equipment - Battery Diagnostics.
Follow the procedures outlined in TSB No. T-SB-0064-10, "Techstream ECU Flash Reprogramming Procedure� and flash the ECM (PCM) with the NEW calibration file update.
3. Start the engine and warm it up to normal operating temperature before test driving.
4. Test drive the vehicle to confirm proper vehicle operation and ECM (PCM) initial learning.
Refer to the Technical Information System (TIS) applicable model year Camry Repair Manual:
2010 / 2011 Camry:
Drivetrain - Automatic Transmission/Transaxle - "U760E Automatic Transaxle: Automatic Transaxle System: Road Test"
5. Install the Authorized Modifications Label.
A. Using a permanent marker enter the following information on the label:
^ ECM part number [Refer to the Parts In formation section for the CURRENT PART NUMBER]
^ Calibration ID(s) [Refer to the Calibration Identification Chart for the NEW CALIBRATION ID]
^ Dealer Code
^ Repair Date
^ Change Authority [This TSB number]
B. Affix the Authorized Modifications Label to the vehicle at the location shown in Figure 1. The Authorized Modifications Label is available through the MDC P/N 00451-00001-LBL.