>) TOYOTA

T-SB-0087-13 July 23, 2013 Technical Service Bulletin

HV Battery Cooling Fan Maintenance for Severe Usage
Vehicles

Service
Category Engine/Hybrid System
Toyota Supports

Section _ Hybrid/Battery Control System Market USA Se)
Applicability

YEAR(S) MODELS} ADDITIONAL INFORMATION

2012 Camry HV
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 25,000 miles OR any time the HV Battery
Assembly is replaced.

Warranty Information

OP CODE DESCRIPTION TIME OFP m1 «| «72
NA Not Applicable to Warranty - - = -

© 2013 Toyota Motor Sales, USA Page 1 of 3

GP TOYOTA T-SB-0087-13 July 23, 2013 Page 2 of 3

HV Battery Cooling Fan Maintenance for Severe Usage Vehicles

Repair Procedure
1. Is the vehicle subject to all 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.
YES — Go to step 2.
NO — This TSB does NOT apply.
2. Remove the HV Battery Cooling Fan Assembly.

Refer to the Technical Information System (TIS), applicable model year Camry HV Repair
Manual:

+ 2012 Camry HV:
Engine/Hybrid System — Hybrid/Battery Contral System — “Hybrid/Battery Control: Battery
Blower: Removal”

3. Using compressed air, clean any dust, lint, or debris buildup from the HV Battery Cooling Fan
blades. At this time, secure the fan blades to prevent turning while cleaning.

Figure 1. HV Battery Cooling Fan BEFORE Cleaning Figure 2. HV Sattery Cooling Fan AFTER Cleaning
- mS

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.

© 2013 Toyota Motor Sales, USA

TOYOTA T-SB-0087-13 duly 23, 2013 Page 3 of 3

HV Battery Cooling Fan Maintenance for Severe Usage Vehicles

Repair Procedure (Continued)
4. Re-install the HV Battery Cooling Fan Assembly and verify normal operation.
Refer to TIS, applicable model year Camry HV Repair Manual:

* 2012 Camry HV:
Engine/Hybrid System — Hybrid/Battery Control System — “Hybrid/Battery Control: Battery
Blower: Installation”

5. Repeat this procedure as normal maintenance every 25,000 miles.

© 2013 Toyota Motor Sales, USA