Canada - Engine Control - MIL ON/O2 Sensor DTC's Set
BulletinTSB2807
Issue Date
July 28, 2010
Title
MIL "ON" DTC P2195, P2197, P0138, P0158, P0031, OR P0051
Component
ENGINE ELECTRICAL
Models
'10 RX350
INTRODUCTION:
Some 2010 model year RX350 vehicles may exhibit a MIL "ON" condition with one or more of the following Diagnostic Trouble Codes (DTCs) stored in the Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM):
- P2195 - Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1)
- P2197 - Oxygen (A/F) Sensor Signal Stuck Lean (Bank 2 Sensor 1)
- P0138 - Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2)
- P0158 - Oxygen Sensor Circuit High Voltage (Bank 2 Sensor 2)
- P0031 - Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)
- P0051 - Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 2 Sensor 1)
Use the following repair procedure to address this condition.
APPLICABILITY:
PRODUCTION CHANGE INFORMATION:
This TSB applies to vehicles produced BEFORE the Production Change Effective VIN shown.
WARRANTY INFORMATION:
PARTS INFORMATION:
NOTE
To ensure correct sensor diagnosis, be certain to follow the steps outlined in the Repair Procedure prior to replacing parts.
REQUIRED TOOLS & EQUIPMENT:
REPAIR PROCEDURE:
1. Using ETAS Techstream, verify DTC P2195, P2197, P0138, P0158, P0031, or P0051 are present.
2. Follow the procedure outlined in TSB2678, "MIL 'ON' DTC P0138 and/or P0158 Diagnostic Tips", to inspect the appropriate A/F and O2 sensor and circuit.
3. If the A/F sensor requires replacement, follow the procedure in the Repair Manual.
Refer to the Repair Manual within E-TAS / TIS library:
Removal:
- Division: Lexus
- Model: RX350
- Year: 2010
- Service Category: Engine/Hybrid System
- Section: Engine Control
- Keyword: 2GR-FE Engine Control: Air Fuel Ratio Sensor: Removal
Installation:
- Division: Lexus
- Model: RX350
- Year: 2010
- Service Category: Engine/Hybrid System
- Section: Engine Control
- Keyword: 2GR-FE Engine Control: Air Fuel Ratio Sensor: Installation
4. Clear DTCs.
5. Test drive the vehicle to confirm the condition has been corrected.
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.