Canada - Engine Control - MIL ON DTC P2195 P0103 P0171 P0031

Bulletin
TSB3005

Issue Date
May 28, 2008

Market
Canada

Title
M.I.L "ON" DTC P2195, P0138, P0171, or P0031

Component
ENGINE ELECTRICAL

Models
'07-'08 Camry

INTRODUCTION

Some 2007 - 2008 model year Camry vehicles with 2GR-FE engines may exhibit a M.I.L. "ON" condition with one or more of the following DTCs:
- P2195 - Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1)
- P0138 - Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2)
- P0171 - System Too Lean (Bank 1)
- P0031 - Oxygen (A/F) Sensor Heater Control Low (Bank 1 Sensor 1)

Use the following repair procedure to diagnose and repair customer complaint vehicles.






APPLICABLE VEHICLES:






PRODUCTION CHANGE INFORMATION:






WARRANTY INFORMATION:






PARTS INFORMATION:






REQUIRED SSTS:

REPAIR PROCEDURE:

1. Using Techstream, check for any stored DTCs.
2. If DTCs P2195, P0138, P0171, or P0031 are present, replace both A/F sensors and the Bank 1 (RH) exhaust manifold.

A. Air Fuel Ratio Sensor:
Refer to the Repair Manual within E-TAS / TIS library:
- Division: Toyota
- Model: Camry
- Year: 2007 or 2008
- Service Category: Engine/Hybrid System
- Section: Emission Control
- Keyword: 2GR-FE Emission Control: Air Fuel Ratio Sensor: Removal and Installation

B. Bank 1 (RH) Exhaust Manifold Sub-assembly:
1. Disconnect the air fuel ratio sensor connector clamp.







2. Uniformly loosen and remove the 6 nuts.







3. Remove the manifold and gasket.
4. Install a NEW gasket as shown.
5. Install the NEW exhaust manifold sub-assembly RH with the 6 nuts and reassemble in reverse order.
Torque: 21 N-m (214 kgf-cm, 15 ft-lbf)

NOTE
The revised A/F sensor is not compatible with the previous A/F sensors or previous Bank 1 (RH) exhaust manifold.

3. After the repair is complete, clear any stored DTCs and test drive to confirm the repair.

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.