T-SB-0198-11 Rev

T-SB-0198-11
Rev1
December 15, 2011
HV Battery Cooling Fan Maintenance for Severe Usage
Vehicles
Service
Category
Engine/Hybrid System
Section
Hybrid/Battery Control System
Market
USA
Applicability
YEAR(S)
MODEL(S)
2006 – 2016
Highlander HV
2012 – 2016
Prius C
2010 – 2015
Prius
2016
RAV4 HV
ADDITIONAL INFORMATION
REVISION NOTICE
July 7, 2016 Rev1:
• Vehicle applicability has been updated to include 2006 – 2016 model year applicable vehicles.
• The entire bulletin has been updated.
Any previous printed versions of this bulletin should be discarded.
Introduction
For vehicles that are used under certain severe operating conditions, the HV Battery Cooling Fan
may experience an excessive buildup of dust, lint, or other debris that can reduce the efficiency of
the HV Battery Cooling System. HV Battery Cooling Fan maintenance and cleaning should be
performed to address this condition.
NOTE
The following procedure should be completed every 5,000 miles OR any time the HV Battery
Assembly is replaced.
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
N/A
Not Applicable to Warranty
–
–
–
–
© 2016 Toyota Motor Sales, USA
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T-SB-0198-11
Rev1
December 15, 2011
Page 2 of 3
HV Battery Cooling Fan Maintenance for Severe Usage Vehicles
Repair Procedure
1. Is the vehicle subject to any of the operating conditions detailed below?
(1) The vehicle is used for over 15 hours per day.
(2) The vehicle is used over 6 days per week.
(3) The right rear seat is used over 50 times per day.
(4) Is vehicle used in a dusty environment or driven in dusty roads
YES — Go to step 2.
NO — This Service Bulletin does NOT apply.
2. Remove the HV Battery Cooling Fan Assembly.
Refer to the Technical Information System (TIS), applicable model year Prius Repair Manual:
• 2010 / 2011 / 2012 / 2013 / 2014 / 2015 Prius:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid/Battery Control: Battery
Blower: Removal”
• 2012 / 2013 / 2014 / 2015 / 2016 Prius C:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid/Battery Control: Battery
Blower: Removal”
• 2006 / 2007 / 2008 / 2009 / 2010 / 2011 / 2012 / 2013 /2014 / 2015 / 2016 Highlander HV:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid/Battery Control: Battery
Blower: Removal”
• 2016 RAV4 HV:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid/Battery Control: Battery
Blower: Removal”
© 2016 Toyota Motor Sales, USA
T-SB-0198-11
Rev1
December 15, 2011
Page 3 of 3
HV Battery Cooling Fan Maintenance for Severe Usage Vehicles
Repair Procedure (Continued)
3. Using vacuum and compressed air, if necessary, clean any dust, lint or debris build up from
the HV Battery, cooling fan blades, control module, air ducts and internal/external filter of the
HV Battery cooling system
Figure 1. HV Battery Cooling Fan BEFORE Cleaning
Figure 2. HV Battery Cooling Fan AFTER Cleaning
NOTICE
• Do NOT attempt to clean the HV Battery Cooling Fan while it is installed in the vehicle.
Doing so may cause dust or debris to enter the HV Battery Case.
• Failure to secure the fan blades while cleaning can result in electronic circuit failure due
to overturning.
4. Reinstall the HV Battery Cooling Fan Assembly and verify normal operation.
Refer to TIS, applicable model year Prius Repair Manual:
• 2010 / 2011 / 2012 / 2013 / 2014 / 2015 Prius:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid/Battery Control: Battery
Blower: Installation”
• 2012 / 2013 / 2014 / 2015 / 2016 Prius C:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid/Battery Control: Battery
Blower: Installation”
• 2006 / 2007 / 2008 / 2009 / 2010 / 2011 / 2012 / 2013 /2014 / 2015 / 2016 Highlander HV:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid/Battery Control: Battery
Blower: Installation”
• 2016 RAV4 HV:
Engine/Hybrid System – Hybrid/Battery Control System – “Hybrid/Battery Control: Battery
Blower: Installation”
5. Repeat this procedure as normal maintenance every 5,000 miles.
© 2016 Toyota Motor Sales, USA