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Toyota Supports ASE Certification Page 1 of 5
EG034-07
Title:
Models:
93 08 Applicable Models
Technical Service
BULLETIN
June 28, 2007
TSB UPDATE NOTICE:
The information contained in this TSB supercedes TSB No.
EG03704.TSB No. EG03704 is now obsolete and should be
discarded.
This service bulletin provides information on the proper
identification of engine bank 1and 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 thefollowing engines: 1AZFE, 2AZFE, 2AZFE
(PZEV), 1GRFE, 2GRFE, 2GRFSE,
2JZGE, 1MZFE, 3MZFE, 1URFSE, 3URFE, 2UZFE, 3UZFE, 5VZFE,and
1ZZFE.
Bank 1 (B1) refers to the bank that includes cylinder No. 1.
Bank 2 (B2) refers to the bank opposite bank 1.
Sensor 1 (S1) refers to the sensor that is located before the
catalytic converters.
Sensor 2 (S2) refers to the sensor that is located after the
catalytic converters.
OP CODE DESCRIPTION TIME OFP T1 T2
N/A Not Applicable to Warranty
MODEL MODEL YEAR ENGINE
1996 2002 5VZFE
4Runner2003 2008
1GRFE2UZFE
Avalon1995 2004
1MZFE3MZFE
2005 2008 2GRFE
1994 2003 1MZFE
Camry2004 2006
1MZFE3MZFE
2003 2008 2AZFE PZEV
2008 2GRFE
FJ Cruiser 2007 2008 1GRFE
Introduction
WarrantyInformation
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ENGINE BANK 1 AND BANK 2 A/F AND O2 IDENTIFICATION EG034-07 June
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MODEL MODEL YEAR ENGINE
2001 20031MZFE2AZFE
Highlander 2004 2007 3MZFE
2008 2GRFE
1998 2007 2UZFELand Cruiser
2008 3URFE
MR2 Spyder 2000 2005 1ZZFE
2001 2003 1AZFERAV4
2006 2008 2GRFE
2001 2008 2UZFESequoia
2008 3URFE
1998 2003 1MZFE
Sienna 2004 2006 3MZFE
2007 2008 2GRFE
1999 2003 1MZFESolara
2004 2008 3MZFE
Supra 1993 1998 2JZGE
1995 2004 5VZFETacoma
2005 2008 1GRFE
T100 1995 1998 5VZFE
2000 20045VZFE2UZFE
Tundra2005 2008
1GRFE2UZFE
2007 2008 3URFE
Front of Vehicle
Bank 2 Bank 1
No. 8Cylinder
No. 6Cylinder
No. 4Cylinder
No. 2Cylinder
No. 7Cylinder
No. 5Cylinder
No. 3Cylinder
No. 1Cylinder
Engine Bank Identification:2UZFE, 3URFE
ApplicableVehicles
(Continued)
Engine BankIdentification
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Front of Vehicle
Bank 2
Bank 1
Engine Bank Identification:2GRFE, 1MZFE, 3MZFE
No. 6Cylinder
No. 4Cylinder
No. 2Cylinder
No. 5Cylinder
No. 3Cylinder
No. 1Cylinder
Front of Vehicle
Bank 2Bank 1
Engine Bank Identification:1GRFE, 5VZFE
No. 6Cylinder
No. 4Cylinder
No. 2Cylinder
No. 5Cylinder
No. 3Cylinder
No. 1Cylinder
Engine Bank Identification:2JZGE
Front of Vehicle
Bank 1Bank 2
Engine BankIdentification
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ENGINE BANK 1 AND BANK 2 A/F AND O2 IDENTIFICATION EG034-07 June
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Front of Vehicle
Sensor Identification:FWD V6
A/F Sensor(Bank 2, Sensor 1)(B2, S1)
A/F Sensor(Bank 1, Sensor 1)(B1, S1)
Heated Oxygen Sensor(Bank 2, Sensor 2)(B2, S2)
Heated Oxygen Sensor(Bank 1, Sensor 2)(B1, S2)
TWC
Sensor Identification:
2AZFE PZEV
A/F Sensor(Bank 1, Sensor 1)
Fuel Injector
Under Floor Catalyst (Rear Catalyst)HC Absorptive 3Way
Catalyst)
Heated Oxygen Sensor 3(Bank 1, Sensor 3)
Warmup Catalyst(Front Catalyst)
Heated Oxygen Sensor 2(Bank 1, Sensor 2)
Intake Manifold Runner Valve
A/F and O2Sensor
Identification
