Engine Controls - MIL ON/DTC's P0171/P2195 Set
ENGINEEG056-05
November 16, 2005
Title:
M.I.L. "ON" DTC P0171 OR P2195
Models:
'05 - '06 Scion tC
Introduction
Under certain driving conditions, some 2005 and 2006 model year Scion tC vehicles may exhibit a M.I.L. "ON" condition with at least one of the following DTCs:
^ P0171 (System Too Lean [Bank 1])
^ P2195 (Oxygen [A/F] Sensor Signal Stuck Lean [Bank 1, Sensor 1])
The Air Fuel (A/F) sensor manufacturing process has been improved to correct this condition. The following repair procedures should be used to properly diagnose and repair the affected vehicles.
Applicable Vehicles
^ 2005 - 2006 model year Scion tC vehicles produced BEFORE the Production Change Effective VIN shown below.
Production Change Information
Parts Information
Warranty Information
Applicable Warranty:
This repair is covered under the Toyota Federal Emission Warranty. This warranty is in effect for 36 months or 36,000 miles, whichever occurs first, from the vehicle's in-service date. For California specification vehicles sold, registered, and operated in California, Maine, Massachusetts, and Vermont, this repair is covered under the California Emission Warranty, which is 36 months or 50,000 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.
Required SSTs
NOTE:
Additional Diagnostic Tester Kits, CAN Interface Modules, Program Cards, or other SSTs may be ordered by calling SPX-OTC at 1-800-933-8335.
Repair Procedure
DTC P0171
Refer to the Technical Information System (TIS) as follows:
^ 2005 model year Scion tC Repair Manual: Diagnostics: SFI System (2AZ-FE): P0171.
^ 2006 model year Scion tC Repair Manual: 2AZ-FE Engine Control System: P0171.
DTC P2195
Refer to TIS as follows:
^ 2005 model year Scion tC Repair Manual: Diagnostics: SFI System (2AZ-FE): P2195.
^ 2006 model year Scion tC Repair Manual: 2AZ-FE Engine Control System: P2195.