Read M.I.L. ON DTC P0171, P0174, P2195, OR P2197 T-EG052-05 text version

ENGINE

EG052-05

Title:

Technical Service BULLETIN

November 16, 2005

Introduction

M.I.L. ON" DTC P0171, P0174, P2195, OR P2197

Models:

'05 ­ '06 Highlander & '06 Highlander HV

Under certain driving conditions, some 2005 and 2006 model year Highlander and 2006 model year Highlander HV vehicles may exhibit a M.I.L. "ON" condition with at least one of the following DTCs: S S S S P0171 P0174 P2195 P2197 (System Too Lean [Bank 1]) (System Too Lean [Bank 2]) (Oxygen [A/F] Sensor Signal Stuck Lean [Bank 1, Sensor 1]) (Oxygen [A/F] Sensor Signal Stuck Lean [Bank 2, 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

S 2005 ­ 2006 model year Highlander vehicles produced BEFORE the Production Change Effective VINs shown below. S 2006 model year Highlander HV vehicles produced BEFORE the Production Change Effective VINs shown below.

MODEL ENGINE DRIVETRAIN PRODUCTION CHANGE EFFECTIVE VIN

Production Change Information

2AZ­FE 2AZ FE Highlander 3MZ­FE 3MZ FE Highlander HV 3MZ­FE 3MZ FE

2WD 4WD 2WD 4WD 2WD 4WD

JTEDD2#A#60134637 JTEHD2#A#60040570 JTEDD2#A#60094418 JTEEP2#A#60140569 JTEDW2#A#60006432 JTEEW2#A#60011564

Warranty Information

OP CODE

DESCRIPTION

TIME

OFP

T1

T2

895131

R & R A/F Sensor

0.9

89467­48070 89467­48050 89467­48060 89467­48080

8A 71

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 in­service date.

* Warranty application is limited to correction of a problem based upon a customer's specific complaint.

Toyota Supports ASE Certification

Page 1 of 3

M.I.L. "ON" DTC P0171, P0174, P2195, OR P2197 ­ EG052-05 Parts Information

PREVIOUS PART NUMBER CURRENT PART NUMBER

November 16, 2005

MODEL

ENGINE

PART NAME

QTY

2AZ­FE Highlander 3MZ­FE 3MZ FE

89467­48070 89467­48050 89467­48060 89467­48080

Same Same Same Same Same

Highlander HV

3MZ­FE 3MZ FE 89467­48060

Sensor, Air Fuel Ratio Sensor, Air Fuel Ratio (Bank 2) Sensor, Air Fuel Ratio (Bank 1) Sensor, Air Fuel Ratio (Bank 1) Sensor, Air Fuel Ratio (Bank 2)

1 1 1 1 1

Required SSTs

ITEM NO.

SPECIAL SERVICE TOOLS (SSTs)

PART NUMBER

QTY

DRW**

Toyota Diagnostic Tester Kit* 1 NOTE: S All components from this kit/set are required S 12 Megabyte Diagnostic Tester Program Card (P/N 01002593­005) with version 13.0a Software (or later) is required CAN Interface Module Kit* 2 NOTE: S All components from this kit/set are required 01002744 1 9 TOY220036 1 9

* Essential SSTs. ** Refers to drawer number in SST Storage System.

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.

Page 2 of 3

M.I.L. "ON" DTC P0171, P0174, P2195, OR P2197 ­ EG052-05 Repair Procedure

November 16, 2005

DTC P0171 or P0174 Refer to the Technical Information System (TIS) as follows: S 2005 model year Highlander Repair Manual: Diagnostics: SFI System (applicable engine): P0171, P0174. S 2006 model year Highlander Repair Manual: 2AZ­FE or 3MZ­FE Engine Control System: SFI System: P0171, P0174. S 2006 model year Highlander HV Repair Manual: 3MZ­FE Engine Control System: SFI System: P0171, P0174.

NOTE: Only replace the A/F sensor indicated by the M.I.L. "ON" DTC(s).

DTC P2195 or P2197 Refer to TIS as follows: S 2005 model year Highlander Repair Manual: Diagnostics: SFI System (applicable engine): P2195, P2197. S 2006 model year Highlander Repair Manual: 2AZ­FE or 3MZ­FE Engine Control System: SFI System: P2195, P2197. S 2006 model year Highlander HV Repair Manual: 3MZ­FE Engine Control System: SFI System: P2195, P2197.

NOTE: Only replace the A/F sensor indicated by the M.I.L. "ON" DTC(s).

Page 3 of 3

Information

M.I.L. ON DTC P0171, P0174, P2195, OR P2197 T-EG052-05

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