Lexus IS 250 ENGINE BANK 1 AND BANK 2 A/F AND O2 IDENTIFICATION Reference Number(s): L-SB-0188-09

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Reference Number(s): L-SB-0188-09, Date of Issue: December 23, 2009

Superceded Bulletin(s): EG015-07, Date of Issue: June 28, 2007
APPLICABILITY
APPLICABILITY

TSIB SUPERSESSION NOTICE
The information contained in this TSIB supersedes TSIB No. EG015-07.
l Applicability has been updated to include 2009 - 2010 model year vehicles.
TSIB No. EG015-07 is Obsolete and any printed versions should be discarded. Be sure to
review the entire content of this service bulletin before proceeding.
INTRODUCTION
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:
2GR-FE, 2GR-FSE, 2GR-FXE, 3GR-FSE, 4GR-FSE, 2JZ-GE, 1MZ-FE, 3MZ-FE, 1UR-FE, 1UR-FSE,
2UR-FSE, 2UR-GSE, 3UR-FE, 1UZ-FE, 2UZ-FE, and 3UZ-FE
l Bank 1 (B1) refers to the bank that includes cylinder No. 1.
l Bank 2 (B2) refers to the bank opposite bank 1.
l Sensor 1 (S1) refers to the sensor that is located before the catalytic
converters.
LEXUS:

1990-2010 ES300, ES330, ES350, GS300, GS350, GS400, GS430, GS450H, GS460,
GX460, GX470, IS F, IS250, IS250C, IS300, IS350, IS350C, LS400, LS430,
LS460, LS600H, LX470, LX570, RX300, RX330, RX350, RX400H, RX450H, SC300,
SC400, SC430

Service
Category: Engine/Hybrid System
Section: Engine Control

YEAR
(S) MODEL(S) ADDITIONAL
INFORMATION

1990
-
2010
ES300, ES330, ES350, GS300, GS350, GS400, GS430, GS450H,
GS460, GX460, GX470, IS F, IS250, IS250C, IS300, IS350,
IS350C, LS400, LS430, LS460, LS600H, LX470, LX570, RX300,
RX330, RX350, RX400H, RX450H, SC300, SC400, SC430
2010 Lexus IS 250

ENGINE BANK 1 AND BANK 2 A/F AND O2 IDENTIFICATION

2019年5月31日 14:19:20 14:19:29 Page 1 © 2011 Mitchell Repair Information Company, LLC. 2011 Mitchell Repair Information Company, LLC.

l Sensor 2 (S2) refers to the sensor that is located after the catalytic converters.
WARRANTY INFORMATION
WARRANTY INFORMATION

APPLICABLE VEHICLES
APPLICABLE VEHICLES REFERENCE
OP CODE DESCRIPTION TIME OFP T1 T2
N/A Not Applicable to Warranty - - - -

MODEL MODEL YEAR ENGINE
ES 300 1994 - 2003 1MZ-FE
ES 330 2004 - 2006 3MZ-FE
ES 350 2007 - 2010 2GR-FE
GS 300 1993 - 2005 2JZ-GE
2006 3GR-FSE
GS 350 2007 - 2010 2GR-FSE
GS 400 1998 - 2000 1UZ-FE
GS 430 2001 - 2007 3UZ-FE
GS 450h 2007 - 2010 2GR-FSE
GS 460 2008 - 2010 1UR-FSE
GX 460 2010 1UR-FE
GX 470 2003 - 2009 2UZ-FE
IS F 2008 - 2010 2UR-GSE
IS 250 2006 - 2010 4GR-FSE IS 250C 2010
IS 300 2001 - 2005 2JZ-GE
IS 350 2006 - 2010 2GR-FSE IS 350C 2010
LS 400 1990 - 2000 1UZ-FE
LS 430 2001 - 2006 3UZ-FE
LS 460/460L 2007 - 2010 1UR-FSE
LS 600h 2008 - 2010 2UR-FSE
LX 470 1998 - 2007 2UZ-FE
LX 570 2008 - 2010 3UR-FE
RX 300 1999 - 2003 1MZ-FE
RX 330 2004 - 2006 3MZ-FE
RX 350 2007 - 2010 2GR-FE
RX 400h 2006 - 2010 3MZ-FE
RX 450h 2010 2GR-FXE
SC 300 1992 - 2000 2JZ-GE
SC 400 1991 - 2000 1UZ-FE
SC 430 2002 - 2010 3UZ-FE

2010 Lexus IS 250

ENGINE BANK 1 AND BANK 2 A/F AND O2 IDENTIFICATION

2019年5月31日 14:19:20 Page 2 © 2011 Mitchell Repair Information Company, LLC.

ENGINE BANK IDENTIFICATION

Fig. 1: Engine Bank Identification - 1UR-FE, 3UR-FE, 1UR-FSE, 2UR-FSE, 2UR-GSE, 1UZ-FE,
2UZ-FE, 3UZ-FE

2010 Lexus IS 250

ENGINE BANK 1 AND BANK 2 A/F AND O2 IDENTIFICATION