NHTSA ID Number: 10155239
Manufacturer Communication Number: T-SB-0063-18-Rev
TSB/Document Date: 2019-03-25
Summary
TSB: REVISION NOTICE February 25, 2019 Rev1: ? Applicability has been updated to include 2019 model year Tacoma vehicles and engine and transmission types. ? The Warranty Information section has been updated. ? The Repair Procedure section has been updated with the addition of step 84. Any previous printed versions of this bulletin should be discarded. Some 2016 ? 2019 model year Tacoma vehicles may exhibit a condition where the air conditioning system shuts down and stops blowing cool air during periods of extended engine idle with ambient temperatures greater than 100F. Follow the Repair Procedure in the bulletin to address this condition.
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TSB/Document ID: T-SB-0063-18-Rev
Replacement Service Bulletin Number:
MFR Communication Date: 2019-02-25
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System:
MFR Component Subsystem:
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T-SB-0063-18
Rev1
July 19, 2018
Lack of A/C Performance at Idle in High Ambient
Temperature
Service
Category
Vehicle Interior
Section
Heating/Air Conditioning
Market USA
Applicability
YEAR(S)
MODEL(S)
ADDITIONAL INFORMATION
2016 - 2019
Tacoma
VDS(s): AZ5CN, BZ5DN, CZ5AN, DZ5BN,
EZ5CN, FZ5DN, GZ5AN, HZ5BN, RZ5CN,
SZ5AN
Engine(s): 2GR
Transmission(s): 6AT
REVISION NOTICE
February 25, 2019 Rev1:
Applicability has been updated to include 2019 model year Tacoma vehicles and engine and
transmission types.
The Warranty Information section has been updated.
The Repair Procedure section has been updated with the addition of step 84.
Any previous printed versions of this bulletin should be discarded.
Introduction
Some 2016 – 2019 model year Tacoma vehicles may exhibit a condition where the air conditioning
system shuts down and stops blowing cool air during periods of extended engine idle with ambient
temperatures greater than 100°F. Follow the Repair Procedure in the bulletin to address
this condition.
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
AC1901
Additional Cooling Kit
3.5
16410-0P290
7A
99
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.
Warranty application is limited to occurrence of the specified condition described in
this bulletin.
© 2019 Toyota Motor Sales, USA
Page 1 of 63
T-SB-0063-18
Rev1
July 19, 2018
Page 2 of 63
Lack of A/C Performance at Idle in High Ambient Temperature
Parts Information
PART NUMBER
PART NAME
QTY
88590-35050
Blower Assy, W/Shroud
1
90080-87026
1
90119-A0078
1
36869-04010
1
36869-04030
Cover, Packing
36869-04040
1
1
36867-04040
Seal, Packing
1
82112-04050
Wire, Engine Room No. 2
1
82662-0E080
Cover, Relay Block, Upr
1
82683-35220
Label, Fuse Block Notice
1
08231-00045
Silicone Tape
1
NAPA Auto Parts P/N: NW 737305
or Equivalent
¼ in. Diameter Corrugated Tubing
1
82715-35F50
Bracket, Wire Harness Clamp
1
90080-11180
2
82999-12020
Terminal, Joint Repair
3
90464-00345
Clamp
32
NOTE
Repair components are NOT available as a kit.
ALL parts MUST be ordered separately.
The quantity amounts listed above are for repairing one vehicle.
© 2019 Toyota Motor Sales, USA
T-SB-0063-18
Rev1
July 19, 2018
Page 3 of 63
Lack of A/C Performance at Idle in High Ambient Temperature
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
PART NUMBER
Techstream 2.0*
Techstream Lite
QTY
TS2UNIT
ADE
TSLITEPDLR01
Techstream Lite (Green Cable)
1
TSLP2DLR01
*Essential SST.
NOTE
ONLY ONE of the Techstream units listed above is required.
Software version 13.30.018 or later is required.
Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787.
REQUIRED EQUIPMENT
PART NUMBER
QTY
Plastic Pry Tool Kit*
00002-06020-01
1
K Tool International
8-in-1 Quick and Easy Wire Stripper
or Equivalent (Must Include INS Position)
KTI56207
Order Through www.walmart.com or
Several Other Websites
1
Eclipse Tools
CP-301G Pro'sKit Precision Wire Stripper,
30-20 AWG or Equivalent
CP-301G
Order Through www.amazon.com
1
*Essential SST.
NOTE
Additional SSTs may be ordered by calling 1-800-933-8335.
REQUIRED TOOLS & MATERIAL
PART NUMBER
QTY
Silicone Sealer (Form-in-Place Gasket – Oil Pan)
00295-00103
1
Wire Coat Hanger
–
1
Isopropyl Rubbing Alcohol
–
As Needed
© 2019 Toyota Motor Sales, USA
T-SB-0063-18
Rev1
July 19, 2018
Page 4 of 63
Lack of A/C Performance at Idle in High Ambient Temperature
Repair Procedure
NOTE
This procedure includes the installation of an additional condenser cooling fan. The installation of these
parts also requires the installation of an engine room sub-wire harness, passenger compartment
harnesses, and an additional relay block.
1. Does the vehicle A/C system shut OFF while stopped, idling in Drive during high ambient
temperature (100°F+)?
CAUTION
Ensure the parking brake is firmly applied and hold your foot on the brake pedal.
Conduct activity in an open area away from obstacles.
NOTE
This condition may NOT be possible to duplicate if ambient temperature is below 100°F.
YES — Go to step 3.
NO — Continue to step 2.
2. If unable to duplicate the condition, confirm that the customer complaint is similar to the
condition described in step 1.
Is the condition similar to the condition described in step 1?
YES — Continue to step 3.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
Figure 1.
3. Remove the radiator grille.
A. Disconnect the battery.
B. Apply protective tape around the
radiator grille.
C. Remove the two screws holding the
grille in place.
D. Using a clip remover, remove the
two clips.
E. Disengage the 10 guides and remove
the radiator grille.
2
1
1
1
Clip
2
Screw
Guide
© 2019 Toyota Motor Sales, USA
T-SB-0063-18
Rev1
July 19, 2018
Page 5 of 63
Lack of A/C Performance at Idle in High Ambient Temperature
Repair Procedure (continued)
4. Remove the left-hand radiator side deflector
by removing the clip and disengaging the
three claws.
Figure 2.
1
1
Clip
Claw
5. Remove the right-hand radiator side
deflector by removing the clip and
disengaging the three claws.
Figure 3.
1
1
Clip – Tw o Outer Attachments
Claw
© 2019 Toyota Motor Sales, USA
T-SB-0063-18
Rev1
July 19, 2018
Page 6 of 63
Lack of A/C Performance at Idle in High Ambient Temperature
Repair Procedure (continued)
6. Modify the NEW condenser fan so there is no interference with the automatic transmission oil
cooler mounting point.
Figure 4.
Figure 5.
1
Clip – Tw o outer attachments
2
Screw – Two inner attachments
Guides
1
2
A. Gently hold the base mount of the
condenser fan in a vise.
1
Cut Condenser Fan Bracket
2
Autom atic Transmission Cooler Mount
Figure 6.
1
1
© 2019 Toyota Motor Sales, USA
Side Bracket
T-SB-0063-18
Rev1
July 19, 2018
Page 7 of 63
Lack of A/C Performance at Idle in High Ambient Temperature
Repair Procedure (continued)
B. Using an abrasive cutting wheel or
similar cutting tool, cut off the right
side mount.
Figure 7.
1
C. Measure 25 mm from the top of the
mount and cut off the remaining portion.
Trim Here
Figure 8.
1
1
D. Clean off ALL remaining plastic burrs
from the cut surface.
25 m m
Figure 9. Finished Mount Modification
© 2019 Toyota Motor Sales, USA
T-SB-0063-18
Rev1
July 19, 2018
Page 8 of 63
Lack of A/C Performance at Idle in High Ambient Temperature
Repair Procedure (continued)
7. Install the NEW condenser fan.
A. Slide the two bottom mounts of the
condenser fan over the sheet metal lip
of the radiator core support.
B. Install the bolt into the top mount.
Figure 10.
1
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