NHTSA ID Number: 10201401
Manufacturer Communication Number: L-SB-0024-21
TSB/Document Date: 2021-09-13
Summary
TSB: Some 2007 ? 2022 model year Lexus
vehicles in particular geographic areas may exhibit a condition where the HVAC evaporator drain hose has become obstructed with an insect nest. An insect repellent drain hose tip (ARINIX® Tip) is available to help minimize future occurrences of this environmental condition. For some models, a new drain hose is required to properly fit the ARINIX® Tip. Follow the procedures in this bulletin for proper handling and installation of this optional service part.
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TSB/Document ID: L-SB-0024-21
Replacement Service Bulletin Number:
MFR Communication Date: 2021-07-26
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT:APPLIANCE:AIR CONDITIONER
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
L-SB-0024-21
July 26, 2021
HVAC Evaporator Drain Hose Clogged Due to Insect
Intrusion
Service
Category
Vehicle Interior
Section
Heating/Air Conditioning
Market USA
Applicability
YEAR(S)
MODEL(S)
2011 - 2017
CT200H
2013 - 2022
ES300H
2007 - 2022
ES350
2010 - 2022
GX460, RX350, RX450H
2010 - 2012
HS250H
2018 - 2019
LC500, LC500H, LS500,
LS500H
2012
LFA
2007 - 2017
LS460
2008 - 2016
LS600H
2017 - 2021
NX200T, NX300, NX300H
2022
NX250, NX350, NX350H,
NX450H+
2019 - 2022
UX200, UX250H
ADDITIONAL INFORMATION
SUPERSESSION NOTICE
The information contained in this bulletin supersedes Service Bulletin No. L-SB-0018-14.
Applicability has been updated to include 2018 – 2022 model year Lexus vehicles.
Service Bulletin No. L-SB-0018-14 is obsolete and any printed versions should be discarded.
© 2021 Lexus, a division of Toyota Motor Sales, USA
Page 1 of 6
L-SB-0024-21
July 26, 2021
Page 2 of 6
HVAC Evaporator Drain Hose Clogged Due to Insect Intrusion
Introduction
Some 2007 – 2022 model year Lexus vehicles in particular geographic areas may exhibit a
condition where the HVAC evaporator drain hose has become obstructed with an insect nest. An
insect repellent drain hose tip (ARINIX® Tip) is available to help minimize future occurrences of
this environmental condition. For some models, a new drain hose is required to properly fit the
ARINIX® Tip. Follow the procedures in this bulletin for proper handling and installation of this
optional service part.
NOTE
The ARINIX® Tip is NOT registered or labeled for sale or use outside the United States or Puerto Rico.
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
N/A
Not Applicable to Warranty
–
–
–
–
Parts Information
PART NUMBER
MODEL
MODEL YEAR
PREVIOUS
All
87265-33010
2011 – 2013
88539-12200 88539-12230
88539-02160 90480-26030
2014 – 2017
ES350
ES300h
REPAIR
PROCEDURE
QTY
Connector, Water Hose
®
(ARINIX Tip)
A&B
1*
NEW
All
CT200h
PART NAME
Hose, Drain Cooler
Grommet
88539-12230
2007 – 2018 88539-06121
88539-33160
88539-33090
2013 – 2018
ES300h,
ES350
2019 – 2022
88539-33130
88888-06020
GX460
2010 – 2022
88539-60340
1
A
1
B
1
A
1
C
1
B
1
Hose, Drain Cooler
Hose, Drain Cooler,
Grommet
Hose, Drain Cooler
HS250h
2010 – 2012 88539-12200
88539-12230
1
A
90480-26030
Grommet
*LS requires 2.
© 2021 Lexus, a division of Toyota Motor Sales, USA
1
L-SB-0024-21
July 26, 2021
Page 3 of 6
HVAC Evaporator Drain Hose Clogged Due to Insect Intrusion
Parts Information (continued)
PART NUMBER
MODEL
MODEL YEAR
PART NAME
PREVIOUS
LFA
2012
LS460
2007 – 2017
LS500,
LS500h
2018
LS600hL
2008 – 2016
RX350,
RX450h
NX200t,
NX300
NX300h,
NEW
REPAIR
PROCEDURE QTY
88539-77030
Hose, Drain Cooler
1
88539-50090
Hose, Drain Cooler No. 1
1
88539-50101
Hose, Drain Cooler No. 2
1
88539-50210
B
1
Hose, Drain Cooler
2019
88539-11020
1
88539-50090
Hose, Drain Cooler No. 1
1
88539-50101
Hose, Drain Cooler No. 2
1
2010 – 2015
88539-48040 88539-0E010
2016 – 2022
88539-0E080
1
2016 – 2021
88539-78010
1
A
1
Hose, Drain Cooler
B
LC500,
LC500h
2018
88539-11010
2019
88539-11020
UX200,
UX250h
2018 – 2022
88539-47060
Hose, Drain Cooler
Grommet
C
1
2022
88539-0E100
88888-06020
88539-0E100
Hose, Drain Cooler
B
1
NX250,
NX350,
NX350h
NX450h
1
1
Required Tools & Equipment
REQUIRED TOOLS & MATERIAL
QUANTITY
Chemical Resistant Gloves (Made From Waterproof Material)
1
© 2021 Lexus, a division of Toyota Motor Sales, USA
L-SB-0024-21
July 26, 2021
Page 4 of 6
HVAC Evaporator Drain Hose Clogged Due to Insect Intrusion
Safety Requirements for Handling the ARINIX® Tip (Water Hose Connector)
Follow the manufacturer’s instructions for cleaning/maintaining personal protection equipment
(PPE). If no such instructions for cleaning/maintaining PPE exist, use detergent and hot water.
Keep PPE separate from other laundry.
Users should remove PPE immediately after handling this product.
Wash the outside of the gloves before removing.
Users should wash hands before eating, drinking, chewing gum, or using the toilet.
CAUTION
IF SWALLOWED:
Call the poison control center or doctor IMMEDIATELY for treatment advice. Have the person
sip a glass of water if able to swallow.
Do NOT induce vomiting unless instructed by the poison control center or doctor.
Do NOT give anything by mouth to an unconscious person.
IF ON SKIN OR CLOTHING:
Take off the contaminated clothing IMMEDIATELY. Rinse skin immediately with plenty of
water for 15 – 20 minutes. Call the poison control center or doctor for treatment advice.
IF IN EYES:
Hold eye open and rinse gently and slowly with water for 15 – 20 minutes. Remove contact
lenses (if present) after the first 5 minutes, then continue rinsing eye. Call the poison control
center or doctor for treatment advice.
HOTLINE NUMBER:
Have the product container or label with you when calling the poison control center, doctor,
or going for treatment. You may also contact 800-424-9300 for emergency medical
treatment information.
© 2021 Lexus, a division of Toyota Motor Sales, USA
L-SB-0024-21
July 26, 2021
Page 5 of 6
HVAC Evaporator Drain Hose Clogged Due to Insect Intrusion
Directions for Use on ALL Repair Procedures
®
The ARINIX Tip contains permethrin, a pesticide, as the active ingredient. Please note, it is a
violation of Federal law to use this product in a manner inconsistent with its labeling.
Repair Procedure A
1. Follow the instructions provided in the Safety Requirements for Handling the ARINIX® Tip
(Water Hose Connector) section of this bulletin.
2. Locate the HVAC evaporator drain hose.
3. Following the vehicle specific Repair Manual, remove the HVAC evaporator drain hose.
4. Put on all necessary PPE and install the ARINIX® Tip (water hose connector) into the NEW
HVAC evaporator drain hose listed in the Parts Information section of this bulletin.
5. When installing the ARINIX® Tip, verify it is
fully seated in the HVAC evaporator drain
hose as shown in Figure 1.
Figure 1.
6. Following the vehicle specific Repair Manual, install the HVAC evaporator drain hose.
© 2021 Lexus, a division of Toyota Motor Sales, USA
L-SB-0024-21
July 26, 2021
Page 6 of 6
HVAC Evaporator Drain Hose Clogged Due to Insect Intrusion
Repair Procedure B
1. Follow the instructions provided in the Safety Requirements for Handling the ARINIX ® Tip
(Water Hose Connector) section of this bulletin.
2. Locate the HVAC evaporator drain hose.
3. Following the vehicle specific Repair Manual, remove the HVAC evaporator drain hose.
4. Put on all necessary PPE and install the ARINIX® Tip into the original HVAC evaporator drain
hose listed in the Parts Information section of this bulletin.
5. When installing the ARINIX® Tip, verify it is fully seated in the HVAC evaporator drain hose as
shown in Figure 1.
6. Following the vehicle specific Repair Manual, install the HVAC evaporator drain hose.
Repair Procedure C
1. Follow the instructions provided in the Safety Requirements for Handling the ARINIX® Tip
(Water Hose Connector) section of this bulletin.
2. Locate the HVAC evaporator drain hose and floor grommet.
3. Following the vehicle specific Repair Manual, remove the HVAC evaporator drain hose and
floor grommet.
4. Put on ALL necessary PPE and install the ARINIX® Tip into the original HVAC evaporator
drain hose listed in the Parts Information section of this bulletin.
5. When installing the ARINIX® Tip, verify it is fully seated in the HVAC evaporator drain hose as
shown in Figure 1.
6. Following the vehicle specific Repair Manual, install the HVAC evaporator drain hose and
NEW floor grommet.
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