Canada - Engine Controls - MIL ON/DTC P0031/P0051/P2238/P2241

Bulletin
1304

Issue Date
2003-11-19

Reference
EE-03-008

Model
Camry

Year Range
2003

Market
Canada

Component
EM

Subject:
M.I.L. "ON" DTC P0031, P0051, P2238 OR P2241

Under certain driving conditions, some 2003 model year Camry vehicles with V6 engines may exhibit a M.I.L. "ON" with at least one of the following DTCs as a result of an Air Fuel (A/F) Sensor manufacturing issue.

- 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])
Replacement of the affected Air Fuel Sensor will correct this condition.

APPLICABLE VEHICLES:
2003 model year Camry vehicles equipped with V6 engines produced BEFORE the Production Change Effective VINs shown.







PRODUCTION CHANGE INFORMATION:







PARTS INFORMATION:







WARRANTY INFORMATION:

REPAIR PROCEDURE:
P0031 or P0051

1. Refer to ETAS, 2003 Camry Repair Manual:
Section: Diagnostics;
Sub-Section: SFI System (1MZ--FE) P0031, P0032, P0051, P0052.

2. If there is an open circuit or excessive resistance in A/F Sensor heater, and DTC P0031 or P0051 is stored, replace the A/F sensor.
3. Only replace the A/F Sensor indicated by the M.I.L. "ON" DTC(s).

P2238 or P2241
1. Refer to ETAS, 2003 Camry Repair Manual:
Section: Diagnostics;
Sub-Section: SFI System (1MZ--FE) P2237, P2238, P2239, P2240, P2241, P2242.

2. If there is an open circuit in A/F Sensor heater and DTC P2238 or P2241 is stored, replace the A/F sensor.
3. Only replace the A/F Sensor indicated by the M.I.L. "ON" DTC(s).

NOTE:
Issue of this Technical Service Bulletin is to ensure that proper repair information is available. IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR. Normal provisions of the formal warranty policy, as applicable, will apply.