Camry V6-3.3L (3MZ-FE) (2005)
Oxygen Sensor: All Technical Service Bulletins
Engine Controls - MIL ON/O2 Sensor DTC's Set
ENGINE
EG009-05
Title:
M.I.L. "ON" DTC P0031, P0051, P2238, AND/OR P2241
Models:
'04 - '05 Camry (V6)
February 18, 2005
Introduction
Under certain driving conditions, some 2004 and 2005 model year Camry vehicles may exhibit a M.I.L. ON" with at least one of the following DTCs:
^
P0031 (Oxygen Sensor Heater Control Circuit Low [Bank 1, Sensor 1])
^
P0051 (Oxygen Sensor Heater Control Circuit Low [Bank 2, Sensor 1])
^
P2238 (Oxygen Sensor Pumping Current Circuit Low (for A/F Sensor) [Bank 1, Sensor 1])
^
P2241 (Oxygen Sensor Pumping Current Circuit Low (for A/F Sensor) [Bank 2, Sensor 1])
The A/F sensor manufacturing process and the Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic have been modified
to improve these conditions.
NOTE:
^
Version 12.01a or later Diagnostic Tester software is required to perform this procedure.
^
Before proceeding, verify the ECM (PCM) calibration has NOT been updated by checking for the Authorized Modifications Label (shown in
step 2 of the Repair Procedure).
Applicable Vehicles
^
2004 model year Camry vehicles equipped with 1MZ-FE or 3MZ-FE engine.
^
2005 model year Camry vehicles equipped with 1MZ-FE or 3MZ-FE engine produced BEFORE the Production Change Effective VINs shown on
the next page.
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.