Camry Sedan L4-2.4L (2AZ-FE) (2003)
Catalytic Converter: Customer Interest
Exhaust System - Excessive Sulfur Dioxide Odor
ENGINE
EG013-04
REVISED
Title:
EXCESSIVE SULFUR DIOXIDE ODOR
Models:
'02 - '04 Camry (2AZ-FE)
May 24, 2004
TSB REVISION NOTICE:
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April 3, 2007: The OFP in the Warranty Information table has been modified. A new step 3 and Figure 2 have been added to the ECM
Reprogram Procedure (regarding removal of the 10A ECU-IG fuse). Previous Figure 2 is now Figure 3.
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April 26, 2005: The Op Code for "R & R Catalytic Converter Assembly (MTM Only)" has been updated in Warranty Information.
Previous TSB should be discarded.
Introduction
Some customers may complain of excessive sulfur dioxide odor on 2002-2004 model year Camry vehicles equipped with the 2AZ-FE engine under the
following conditions:
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Stop and go driving.
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Heavy acceleration.
In order to reduce the sulfur dioxide odor, the Electronic Control Module (ECM)
(SAE term: Powertrain Control Module/PCM) fuel cut control logic has been modified and a new catalyst is provided. Follow the repair procedure to
reflash the ECM and replace the catalytic converter assembly.
NOTE:
For more complete understanding of the root cause, refer to TSB No. EG003-03 "Sulfur Odor From Exhaust," dated February 24, 2003.
Applicable Vehicles
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2002 - 2004 model year Camry vehicles equipped with the 2AZ-FE engine produced BEFORE the Production Change Effective VINs shown below.
Production Change Information
Warranty Information
Applicable Warranty*:
This repair is covered under the Toyota Specified Major Emission Control Component Warranty. This warranty is in effect for 96 months or 80,000
miles, whichever occurs first, from the vehicle's in-service date.