Engine Controls - MIL ON/DTC P0133 Set
T-SB-0016-08February 28, 2008
M.I.L. "ON" DTC P0133 (ONLY)
Service Category
Engine/Hybrid System
Section
Engine Control
Market
USA
Applicability
Introduction
Under certain driving conditions some 2005 - 2006 model year Matrix vehicles equipped with 4WD may exhibit a M.I.L. "ON" condition with DTC P0133 (Oxygen Sensor Circuit Slow Response [Bank 1 Sensor 1]). The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to improve this condition.
Parts Information
NOTE:
^ The ECM (PCM) 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 System, or by calling the MDC.
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.
^ Warranty application is limited to correction of a problem based upon a customer's specific complaint.
Required Tools & Equipment
Calibration Identification Chart
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) calibration has been updated. If the calibration ID listed is NOT the latest ECM (PCM) calibration - go to step 2.
2. Flash Reprogram the ECM (PCM).
NOTE
^ 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 located on the Technical Information System (TIS), Diagnostics - Battery.
Follow the procedures outlined in TSB No. "Techstream ECU Flash Reprogramming Procedure" and flash the ECM (PCM) with the NEW calibration file update.
3. Install the Authorized Modifications Label.
A. Using a permanent marker enter the following information on the label:
^ ECM part number [Refer to the Parts Information 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.
4. Start the engine and warm it up to normal operating temperature before test driving.
5. Test drive the vehicle to confirm proper vehicle operation.
6. Calibration update is complete.