TSB Number: T-SB-0398-09
Bulletin Title: Engine Bank 1 & Bank 2 A/F and O2 Identification
Release Date: December 23, 2009
Applicable Year(s): 1994-2010
File Size: 786kb PDF
Description: This service bulletin provides information on the proper identification of engine bank 1 and engine bank 2 for correct A/F sensor and oxygen sensor replacement. This bulletin contains information that identifies engine bank 1 and engine
bank 2 on the following engines:
1AZ-FE, 2AZ-FE, 2AZ-FE (PZEV), 1GR-FE, 2GR-FE, 2JZ-GE, 1MZ-FE, 3MZ-FE, 1UR-FE, 3UR-FE, 2UZ-FE, 5VZ-FE, and 1ZZ-FE.
R4W Comments: The information contained in this TSB supersedes TSB No. EG034-07.
• Applicability has been updated to include 2009 – 2010 model year vehicles.