Read ENGINE BANK 1 AND BANK 2 A F AND 02 IDENTIFICATION T-EG034-047 text version

ENGINE

EG034-07

Title:

Technical Service BULLETIN

June 28, 2007

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

Models:

'93 ­ '08 Applicable Models

TSB UPDATE NOTICE: The information contained in this TSB supercedes TSB No. EG037­04. TSB No. EG037­04 is now obsolete and should be discarded. 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: 1AZ­FE, 2AZ­FE, 2AZ­FE (PZEV), 1GR­FE, 2GR­FE, 2GR­FSE, 2JZ­GE, 1MZ­FE, 3MZ­FE, 1UR­FSE, 3UR­FE, 2UZ­FE, 3UZ­FE, 5VZ­FE, and 1ZZ­FE. S Bank 1 (B1) refers to the bank that includes cylinder No. 1. S Bank 2 (B2) refers to the bank opposite bank 1. S Sensor 1 (S1) refers to the sensor that is located before the catalytic converters. S Sensor 2 (S2) refers to the sensor that is located after the catalytic converters.

Warranty Information

OP CODE

DESCRIPTION

TIME

OFP

T1

T2

N/A

Not Applicable to Warranty

­

­

­

­

Applicable Vehicles

MODEL

MODEL YEAR

ENGINE

1996 ­ 2002 4Runner 2003 ­ 2008 1995 ­ 2004 2005 ­ 2008 1994 ­ 2003 Camry 2004 ­ 2006 2003 ­ 2008 2008 FJ Cruiser 2007 ­ 2008

5VZ­FE 1GR­FE 2UZ­FE 1MZ­FE 3MZ­FE 2GR­FE 1MZ­FE 1MZ­FE 3MZ­FE 2AZ­FE PZEV 2GR­FE 1GR­FE

Avalon

Toyota Supports ASE Certification

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ENGINE BANK 1 AND BANK 2 A/F AND O2 IDENTIFICATION ­ EG034-07 Applicable Vehicles (Continued)

MODEL MODEL YEAR

June 28, 2007

ENGINE

2001 ­ 2003 Highlander 2004 ­ 2007 2008 Land Cruiser MR2 Spyder RAV4 1998 ­ 2007 2008 2000 ­ 2005 2001 ­ 2003 2006 ­ 2008 2001 ­ 2008 2008 1998 ­ 2003 Sienna 2004 ­ 2006 2007 ­ 2008 Solara Supra Tacoma T­100 1999 ­ 2003 2004 ­ 2008 1993 ­ 1998 1995 ­ 2004 2005 ­ 2008 1995 ­ 1998 2000 ­ 2004 Tundra 2005 ­ 2008 2007 ­ 2008

1MZ­FE 2AZ­FE 3MZ­FE 2GR­FE 2UZ­FE 3UR­FE 1ZZ­FE 1AZ­FE 2GR­FE 2UZ­FE 3UR­FE 1MZ­FE 3MZ­FE 2GR­FE 1MZ­FE 3MZ­FE 2JZ­GE 5VZ­FE 1GR­FE 5VZ­FE 5VZ­FE 2UZ­FE 1GR­FE 2UZ­FE 3UR­FE

Sequoia

Engine Bank Identification

Engine Bank Identification: 2UZ­FE, 3UR­FE Bank 2 No. 8 Cylinder No. 6 Cylinder No. 4 Cylinder No. 2 Cylinder Bank 1

No. 7 Cylinder No. 5 Cylinder No. 3 Cylinder No. 1 Cylinder

Front of Vehicle

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ENGINE BANK 1 AND BANK 2 A/F AND O2 IDENTIFICATION ­ EG034-07 Engine Bank Identification (Continued)

June 28, 2007

Engine Bank Identification: 2GR­FE, 1MZ­FE, 3MZ­FE

No. 1 Cylinder

No. 3 Cylinder

No. 5 Cylinder

Bank 1

Bank 2

Front of Vehicle

No. 2 Cylinder

No. 4 Cylinder

No. 6 Cylinder

Engine Bank Identification: 1GR­FE, 5VZ­FE

Bank 1

Bank 2

No. 5 Cylinder

No. 6 Cylinder

No. 3 Cylinder No. 1 Cylinder

No. 4 Cylinder

No. 2 Cylinder

Front of Vehicle

Engine Bank Identification: 2JZ­GE

Bank 2

Bank 1

Front of Vehicle

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ENGINE BANK 1 AND BANK 2 A/F AND O2 IDENTIFICATION ­ EG034-07 Engine Bank Identification (Continued)

June 28, 2007

Engine Bank Identification: 1ZZ­FE

Bank 2 Bank 1

Engine Bank Identification: 1AZ­FE

Bank 2

Bank 1

Engine Bank Identification: 2AZ­FE

Bank 2

Bank 1

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ENGINE BANK 1 AND BANK 2 A/F AND O2 IDENTIFICATION ­ EG034-07 A/F and O2 Sensor Identification

June 28, 2007

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 1, Sensor 2) (B1, S2) TWC Heated Oxygen Sensor (Bank 2, Sensor 2) (B2, S2)

Front of Vehicle

Sensor Identification: 2AZ­FE PZEV A/F Sensor (Bank 1, Sensor 1)

Fuel Injector

Intake Manifold Runner Valve

Warm­up Catalyst (Front Catalyst)

Heated Oxygen Sensor 2 (Bank 1, Sensor 2) Heated Oxygen Sensor 3 (Bank 1, Sensor 3)

Under Floor Catalyst (Rear Catalyst) HC Absorptive 3­Way Catalyst)

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Information

ENGINE BANK 1 AND BANK 2 A F AND 02 IDENTIFICATION T-EG034-047

5 pages

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