TSB EG024-04, July 1, 2004
M.I.L. “ON” DTC P0420 [Note: M.I.L. = Malfunction Indicator Lamp = Check engne light]
‘02 – ‘04 Camry (2AZ-FE) (Non PZEV)
Some 2002 - 2004 model year Camry vehicles equipped with the 4 cylinder (2AZ--FE) engine may exhibit a M.I.L. “ON” condition with Diagnostic Trouble Code (DTC) P0420 (Catalyst System Efficiency Below Threshold, Bank 1) in the Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM). The ECM (PCM) logic has been modified and a redesigned catalyst has been provided.
MODEL Camry (2AZ-FE)
PLANT / PRODUCTION CHANGE EFFECTIVE VIN
TMM Kentucky Line 1: 4T1BE3#K#4U323000
TMM Kentucky Line 2: 4T1BE3#K#4U869000
Tsutsumi Japan: JTDBE3#K#40283686
The repair procedure in this TSB is similar to TSB No. EG013-04 “Excessive Sulfur Dioxide Odor.” The recalibration of the ECM (PCM) should only be performed ONCE.
Recalibrate Engine ECM (PCM)
R & R Catalytic Converter Assembly
All 2002 - 2004 model year vehicles equipped with manual transmissions require replacement of the catalytic converter assembly only.
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.
* Warranty application is limited to correction of a problem based upon a customer’s specific complaint
I hope this can help other people who run into this problem: Dean