NHTSA ID Number: 10075945
Manufacturer Communication Number: T-SB-0230-12
TSB/Document Date: 2016-07-07
Summary
Some 2005 - 2009 model year 4Runner, 2006 - 2007 model year Land Cruiser, 2005 - 2007 model year Sequoia, and 2005 - 2006 model year Tundra vehicles equipped with the 2UZ-FE (4.7 L) engine may exhibit a MIL "ON" condition for the following Diagnostic Trouble Codes (DTCs): P0412 - Secondary Air Injection System Switching Valve "A" Circuit P0418 - Secondary Air Injection System Relay "A" Circuit P1440/P1443 - Secondary Air Injection System Control Valve Circuit Bank 1 I Bank 2 P1441/P1444 - Secondary Air Injection System Switching Valve No. 2 Bank 1 I Bank 2 Stuck Open P2440 - Secondary Air Injection System Switching Valve Stuck Open Bank 1 P1442/P1445 - Secondary Air Injection System Switching Valve No. 2 Bank 1 I Bank 2 Stuck Close P2441 - Secondary Air Injection System Switching Valve Stuck Close Bank 1 P2445 - Secondary Air Injection System Pump Stuck Off Bank 1 This condition may be caused by debris passing through the air injection pump assembly and contaminating various components in the system. Use the following procedure to address this condition.
@TOYOTA
T-SB-0230-12
Rev1
November 27, 2012
Technical Service Bulletin
Air Injection System MIL "ON"
Service
Category
Engine/Hybrid System
Section
Engine Control
Market
USA
Toyota Supports ~
ASE Certification
W,
Applicability
YEAR(S)
MODEL(S)
ADDITIONAL INFORMATION
2005 - 2009
4Runner
VDS(s) : BT14R, BT17R, ZT14R, ZT17R
2006 - 2007
Land Cruiser
2005 - 2007
Sequoia
VDS(s): BT44A, BT48A, ZT34A, ZT38A
2005 - 2006
Tundra
VDS(s) : BT441, BT481 , DT441 , DT481, ET341 ,
ET381,JT321, KT421 , RT341, RT381
REVISION NOTICE
October 17, 2013 Rev1:
• The entire bulletin has been updated to include OTC P2445 and diagnosis of the Air Injection
Control Driver.
• Applicability has been updated to include 2006 - 2007 model year Land Cruiser vehicles.
• Parts Information has been updated.
Any previous printed versions of this bulletin should be discarded.
SUPERSESSION NOTICE
The information contained in this bulletin supersedes SB No. EG027-07.
• Information from EG027-07 has been combined with T-SB-0230-12.
Service Bulletin No. EG027-07 is Obsolete and any printed versions should be discarded. Be sure
to review the entire content of this bulletin before proceeding.
© 2013 Toyota Motor Sales, USA
Page 1 of 8
T-SB-0230-12
Rev1
November 27, 2012
Page 2 of 8
Air Injection System MIL "ON"
Introduction
Some 2005 - 2009 model year 4Runner, 2006 - 2007 model year Land Cruiser, 2005 - 2007 model
year Sequoia , and 2005 - 2006 model year Tundra vehicles equipped with the 2UZ-FE (4.7 L) engine
may exhibit a MIL "ON" condition for the following Diagnostic Trouble Codes (DTCs):
• P0412 - Secondary Air Injection System Switching Valve "A" Circuit
• P0418 - Secondary Air Injection System Relay "A" Circuit
• P1440/P1443 - Secondary Air Injection System Control Valve Circuit Bank 1 I Bank 2
• P1441/P1444 - Secondary Air Injection System Switching Valve No. 2 Bank 1 I Bank 2
Stuck Open
• P2440 - Secondary Air Injection System Switching Valve Stuck Open Bank 1
• P1442/P1445 - Secondary Air Injection System Switching Valve No. 2 Bank 1 I Bank 2
Stuck Close
• P2441 - Secondary Air Injection System Switching Valve Stuck Close Bank 1
• P2445 - Secondary Air Injection System Pump Stuck Off Bank 1
This condition may be caused by debris passing through the air injection pump assembly and
contaminating various components in the system. Use the following procedure to address this
condition .
Parts Information
PART NUMBER
PART NAME
QTY
17600-0FO 10
Pump Assembly, Air
1
17171-50030
Gasket, Intake Manifold to Head No. 1
2
PREVIOUS
NEW
25710-50020
25710-50021
25710-50022
Valve Assy, Air Switching
1*
25720-50010
25720-50011
Valve Assy, Air Switching, No. 1
1*
25720-50020
Valve Assy, Air Switching , No. 2
1*
17377-50010
Gasket, Air Tube
4**
Driver, Air Injection Control
1
89580-34010
89580-34011
89581-34040
89581-34041
89581-71010
89580-34012
* Replace ONLY If damaged by debris. Reuse parts when possible.
** 2 per valve.
© 2013 Toyota Motor Sales, USA
Rev1
T-SB-0230-12
Page 3 of 8
November 27, 2012
Air Injection System MIL "ON"
Warranty Information
MODEL
TIME
4Runner
1.6
DESCRIPTION
OP CODE
OFP
T1
T2
17600-0F010
8A
99
Land Cruiser
R & R Air Pump Assy
EG1215
Sequoia
2.2
Tundra
Combo A
R & R Valve Assy, Air Switching*
+0 .3
Combo B
R & R Valve Assy, Air Switching, No. 1
and/or No. 2*
All
Combo C
R & R Air Injection Control Driver
All
+0.5
+0.5
* Replace ONLY If damaged by debris. Reuse parts when possible.
APPLICABLE WARRANTY
• This repair is covered under the Toyota Basic 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 and operated in California, Connecticut (starting
with '08 MY}, Maine, Massachusetts, New Jersey (starting with '09 MY}, Oregon (starting with
'09 MY}, Pennsylvania (starting with '08 MY}, Rhode Island (starting with '08 MY}, Vermont,
and Washington (starting with '09 MY}, this repair is covered under the California Emission
Warranty, which is 84 months or 70,000 miles, whichever occurs first, from the vehicle's
in-service date.
• Warranty application is limited to occurrence of the specified condition described in this
bulletin.
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
QTY
TS2UNIT
Techstream 2.0*
TIS Techstream
PART NUMBER
ADE
Techstream Lite
TSPKG1
TSLITEDLR01
* Essential SST.
NOTE
• Only ONE of the Techstream units listed above is required.
• Software version 8.20.019 or later is required.
• Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE) at
1-800-368-6787.
© 2013 Toyota Motor Sales, USA
1
T-SB-0230-12
Rev1
November 27, 2012
Page 4 of 8
Air Injection System MIL "ON"
Repair Procedure
1. Using Techstream , check if DTCs P0412, P0418, P1440/P1443, P1441/P1444, P1442/P1445,
P2440, P2441 , or P2445 are present.
If OTC is present, refer to the Technical Information System (TIS), applicable model and model
year Repair Manual :
4Runner:
• 2005 4Runner:
Engine/Hybrid System- Engine Control- "SF/ System (2UZ-FE): P0412 Secondary Air
Injection System Switching Valve "A" Circuit"
• 2006 I 2007 I 2008 I 2009 4Runner:
Engine/Hybrid System - Engine Control - "2UZ-FE Engine Control System: SF/ System:
P0412; Secondary Air Injection System Switching Valve "A" Circuit"
• 2005 4Runner:
Engine/Hybrid System - Engine Control- "SF/ System (2UZ-FE) : P0418 Air Injection
System Relay ''A" Circuit"
• 2006 I 2007 I 2008 I 2009 4Runner:
Engine/Hybrid System - Engine Control - "2UZ-FE Engine Control System: SF/ System:
P0418; Secondary Air Injection System Control ''A " Circuit"
• 2005 4Runner:
Engine/Hybrid System- Engine Control- "SF/ System (2UZ-FE) : P1440, P1443 Secondary
Air Injection System Control Valve Circuit Bank 2"
• 2006 I 2007 I 2008 I 2009 4Runner:
Engine/Hybrid System - Engine Control - "2UZ-FE Engine Control System: SF/ System:
P1440, P1443; Secondary Air Injection Vacuum Switching Valve Circuit Malfunction Bank 1"
• 2005 4Runner:
Engine/Hybrid System - Engine Control- "SF/ System (2UZ-FE) : P1441, P1444, P2440
Secondary Air Injection System Switching Valve Stuck Open Bank 1"
• 2006 I 2007 I 2008 I 2009 4Runner:
Engine/Hybrid System - Engine Control - "2UZ-FE Engine Control System: SF/ System:
P1441, P1444, P2440; Stuck Open in Secondary Air Injection Vacuum Switching Valve
Bank 1"
·
• 2005 4Runner:
Engine/Hybrid System - Engine Control - "SF/ System (2UZ-FE): P1442, P1445, P2441
Secondary Air Injection System Switching Valve Stuck Open Bank 1"
• 2006 I 2007 I 2008 I 2009 4Runner:
Engine/Hybrid System- Engine Control- "2UZ-FE Engine Control System: SF/ System:
P1442, P1445, P2441; Stuck Close in Secondary Air Injection Vacuum Switching Valve
Bank 1"
© 2013 Toyota Motor Sales, USA
T-SB-0230-12
Rev1
November 27, 2012
Page 5 of 8
Air Injection System MIL "ON"
Repair Procedure (Continued)
• 2005 4Runner:
Engine/Hybrid System - Engine Control- "SF/ System (2UZ-FE): P2445 Secondary Air
Injection System Pump Stuck Off Bank 1"
• 2006 I 2007 I 2008 I 2009 4Runner:
Engine/Hybrid System - Engine Control - "2UZ-FE Engine Control System: SF/ System:
P2445; Secondary Air Injection System Pump Stuck On Bank 1"
Land Cruiser:
• 2006 I 2007 Land Cruiser:
Engine/Hybrid System - Engine Control - "2UZ-FE Engine Control System:
SF/ System: P0412; Secondary Air Injection System Switching Valve '~"Circuit"
• 2006 I 2007 Land Cruiser:
Engine/Hybrid System - Engine Control - "2UZ-FE Engine Control System:
SF/ System: P0418; Secondary Air Injection System Control'~" Circuit"
• 2006 I 2007 Land Cruiser:
Engine/Hybrid System - Engine Control - "2UZ-FE Engine Control System:
SF/ System: P1440, P1443; Secondary Air Injection Vacuum Switching Valve Circuit
Malfunction Bank 1"
• 2006 I 2007 Land Cruiser:
Engine/Hybrid System - Engine Control - "2UZ-FE Engine Control System:
SF/ System: P1441, P1444, P2440; Stuck Open in Secondary Air Injection Vacuum
Switching Valve Bank 1"
• 2006 I 2007 Land Cruiser:
Engine/Hybrid System - Engine Control - "2UZ-FE Engine Control System:
SF/ System: P1442, P1445, P2441; Stuck Close in Secondary Air Injection Vacuum
Switching Valve Bank 1"
• 2006 I 2007 Land Cruiser:
Engine/Hybrid System - Engine Control - "2UZ-FE Engine Control System:
SF/ System: P2445; Secondary Air Injection System Pump Stuck On Bank 1"
Sequoia:
• 2005 Sequoia :
Engine/Hybrid System - Engine Control- "Engine: P0412 Secondary Air Injection System
Air Switching Valve "A" Circuit"
• 2006 I 2007 Sequoia:
Engine/Hybrid System - Engine Control - "2UZ-FE Engine Control System: SF/ System:
P0412; Secondary Air Injection System Switching Valve '~"Circuit"
© 2013 Toyota Motor Sales, USA
T-SB-0230-12
Rev1
November 27, 2012
Page 6 of 8
Air Injection System MIL "ON"
Repair Procedure (Continued)
• 2005 Sequoia:
Engine/Hybrid System- Engine Control- "Engine: P0418 Air Injection System Air Pump
Malfunction "
• 2006 I 2007 Sequoia:
Engine/Hybrid System - Engine Control - "2UZ-FE Engine Control System: SF/ System:
P0418; Secondary Air Injection System Control "A" Circuit"
• 2005 Sequoia:
Engine/Hybrid System - Engine Control- "Engine: P1440, P1443 Secondary Air Injection
System Control Valve Circuit Bank 2"
• 2006 I 2007 Sequoia:
Engine/Hybrid System - Engine Control - "2UZ-FE Engine Control System: SF/ System:
P1440, P1443; Secondary Air Injection Vacuum Switching Valve Circuit Malfunction Bank 1"
• 2005 Sequoia:
Engine/Hybrid System- Engine Control- "Engine: P1441, P1444, P2440 Secondary Air
Injection System Switching Valve Stuck Open Bank 1"
• 2006 I 2007 Sequoia:
Engine/Hybrid System - Engine Control - "2UZ-FE Engine Control System: SF/ System:
P1441, P1444, P2440; Secondary Air Injection Vacuum Switching Valve Circuit Malfunction
Bank 1"
• 2005 Sequoia:
Engine/Hybrid System - Engine Control - "Engine: P2445 Secondary Air Injection System
Pump Stuck On Bank 1"
• 2006 I 2007 Sequoia:
Engine/Hybrid System - Engine Control - "2UZ-FE Engine Control System: SF/ System:
P2445; Secondary Air Injection System Pump Stuck On Bank 1"
Tundra:
• 2005 Tundra:
Engine/Hybrid System- Engine Control- "Engine (2UZ-FE) : P0412 Secondary Air Injection
System Air Switching Valve "A" Circuit"
• 2006 Tundra:
Engine/Hybrid System - Engine Control - "2UZ-FE Engine Control System: SF/ System:
P0412; Secondary Air Injection System Switching Valve "A" Circuit"
• 2005 Tundra:
Engine/Hybrid System - Engine Control- "Engine (2UZ-FE) : P0418 Air Injection System
Air Pump Malfunction"
• 2006 Tundra:
Engine/Hybrid System - Engine Control- "2UZ-FE Engine Control System: SF/ System:
- 6X better wear protection on critical engine parts than...
- 1.3X better sludge protection than industry standards*
- 3X Stronger against viscosity breakdown than leading full...
- Protection for 10,000 miles between oil changes
- Meets or exceeds the following specifications: API SP/SN...
- Formulated for engines with 75,000 miles or more, Valvoline...
- Delivers 20% better wear protection and 15% better sludge...
- Extra detergents safeguard against friction, corrosion and...
- Advanced friction-fighting additives help maximize...
- Provides performance benefits for high mileage, new and...
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TSB/Document ID: T-SB-0230-12
Replacement Service Bulletin Number:
MFR Communication Date: 2012-11-27
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