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NHTSA ID Number: 10203544

Manufacturer Communication Number: 21TC02_Technical

TSB/Document Date: 2021-11-15


Summary

TI: TECHNICAL INSTRUCTIONS 21TC02 IMPROPER PROGRAMING IN A 12V BATTERY MANAGEMENT SYSTEM CERTAIN 2021 MODEL YEAR SUPRA VEHICLES


Connect the positive battery cable

c.

Tighten the nut

INSTALL NO. 2 BATTERY

Torque:
19 N·m {194 kgf·cm, 14 ft·lbf}

Connect connector and lock
Install battery rollover protection bracket
Tighten nut
Torque:
15 N·m {153 kgf·cm, 11 ft·lbf}

d.

Clip in latch mechanisms on the connector cover

12

XI. REASSEMBLE VEHICLE
1.

INSTALL UPPER FRONT SUSPENSION CENTER BRACE
a.

Position upper front suspension center brace.

b.

Install new bolts, but do not torque
Follow the torque sequence below
Torque sequence:
1.

Torque all four bolts shown at position
Torque: 56 N·m {571 kgf·cm, 41 ft·lbf}
Using a torque angle gauge, tighten the bolts an
additional 90 degrees

2.

Torque all four bolts shown at position
Torque: 56 N·m {571 kgf·cm, 41 ft·lbf}
Using a torque angle gauge tighten, the bolts an
additional 90 degrees

2.

INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY
Push the cowl top ventilator louver sub-assembly
into the claw
beginning on the side

Engage the cowl top ventilator louver subassembly in the claws \

13

3.

4.

INSTALL FRONT FENDER TO COWL SIDE SEAL RH
a.

Engage the guide

b.

Engage the claws

REMOVE INSTALL FRONT FENDER TO COWL SIDE SEAL LH
Install front fender to cowl side seal.
Install clips.

5.

INSTALL COWL VENT COVER LH

Install the cowl vent cover.
Engage the lock.

14

6.

POSITION FRONT WIPER ARM AND BLADE ASSEMBLY
a.
b.

Connect the wiper arm and blade assembly
Correctly position the front wiper arm and blade assembly in relation to the
windshield glass edge

AREA
A
B
7.

DIMENSION
65.0 mm (2.56 in.)
58.0 mm (2.28 in.)

INSTALL FRONT WIPER ARMS
a.

Tighten the nut.
Torque:
35.0 N·m {375 kgf·cm, 26 ft·lbf}

b.

8.

Install the front wiper arm head cap.

CONNECT NEGATIVE CABLE TO MAIN BATTERY (TRUNK BATTERY)
a.

Connect cable

b.

Tighten nut
Torque:
5.0 N·m {51 kgf·cm, 44 in·lbf}

15

9.

CONNECT NEGATIVE CABLE TO NO. 2 BATTERY (SUB-BATTERY)

a)

Connect cable

b) Tighten nut
Torque:
19 N·m {194 kgf·cm, 14 ft·lbf}

10.

INSTALL COWL VENT COVER RH
Type B

Type A

Install the cowl vent cover
Engage the lock
Connect the connector and the washer nozzle and hose assembly to the cowl vent
cover RH
11.

INSTALL PACKAGE TRAY TRIM PANEL ASSEMBLY

Attach the front guides forward
c) Attach the rear mounting downward
d) Fold the package tray trim panel assembly open
e) Attach the retaining straps.

16

XII. REGISTER NEW NO. 2 BATTERY (SUB-BATTERY)
NOTICES
Supra Diagnostic Cable (01018-00118)
The use of the Supra Diagnostic Cable (01018-00118) is an absolute necessity. In order to maintain
successful communication between the Techstream ADVi and the vehicle, the Toyota Supra
diagnostic cable must be used. Other interfaces that connect to the Techstream ADVi via USB are
NOT allowed. Attempting to use such other devices may cause permanent ECU damage due to the
slower communication speed.

Battery Charger (DCA-8000)
It is recommended to connect the DCA-8000 battery charger while executing the battery registration
procedure to avoid depleting the batteries during the procedure.
1. Connect Supra Diagnostic Cable to vehicle diagnostic connector
2. Boot up ToyotaeBay logo ISTA

17

3. Click “Operations”

4. Click “Complete identification”

18

5. Select the VIN for the vehicle
6. Click “Set up connection”

7. Wait for the ISTA software to complete the identification process

19

8. Click “Vehicle management”
9. Click “Service functions”
10. Click “Body”

20

11. Click “Voltage Supply”
12. Click “Dual storage registration”
13. Click “Registering lithium ion battery exchange”

21

14. Click “Register battery exchange”
15. Click “Continue”

16. After the battery exchange succeeds, click continue.

22

23

17. Click “end service function”
18. Click “Continue”

19. Click “Continue”

24

20. Close ToyotaeBay logo ISTA

◄ VERIFY REPAIR QUALITY ►


Verify that all nuts and bolts involved in the campaign repair have been torqued to the
specified values
Confirm that the windshield wiper arms are properly aligned
Ensure the battery is properly disposed. Refer to the Appendix below for disposal
instructions

25

XIII. RECYCLING INSTRUCTIONS - BATTERY (28800-WAA13
A. RECYCLING INSTRUCTIONS - BATTERY (28800-WAA13)
ToyotaeBay logo has partnered with Call2Recycle to support dealers with a FREE OF CHARGE recycling
method for the 12 Volt Lithium Ion battery replaced under this campaign (28800-WAA13).
Replaced batteries will be shipped in compliance with DOT and EPA regulations and responsibly
recycled through the Call2Recycle program. There is NO CHARGE TO DEALERS at any point
during this recycling/shipping process.

Battery Recycling Steps
1. Retain the replacement battery’s packaging (box with all internal foam insert pieces) to
return the used battery in. If not available or not in good condition, an optional recycling kit with
new box will be available from Call2Recyle.
2. As soon as the battery is removed from the vehicle, print and fill out the 12V Li-ion Used
Batteries Label then affix it to the side of the battery package with packing tape. For
“Accumulation Start Date”, write the date that the battery was removed from the vehicle. Click
this link to access the label.
3. Order a recycling kit by visiting http://www.call2recycle.org/toyota12v or calling 1-888-5280107.
4. After the kit arrives at your dealer prepare the kit for return shipping. Preparation
instructions are included in the kit. Preparation instructions for each kit type may also be
downloaded from the following links.
• Battery Recycling Label Pack (most common – labels applied to original battery
box)
• New Battery Recycling Kit (optional – a new pre-labeled box)
Note: To assure prompt battery recycling and related compliance with EPA regulations, complete
steps 1-4 and deliver the completed battery recycling kit to your UPS driver as soon as
practical.
26

XIV.

CAMPAIGN DESIGNATION/PHASE DECODER

19TA01
19

T

A

01

Year Campaign
is Launched

Vehicle Make

Field Action Category and Phase

Field Action Sequence

A = Safety Recall Remedy
B = Safety Recall Interim
C = Special Service Campaign
D = Limited Service Campaign
E = Customer Support Program
F = Emissions Recall

01 = 1st Field Action of the year
02 = 2nd Field Action of the year
03 = 3rd Field Action of the year

19 = 2019
20 = 2020
21 = 2021
22 = 2022
23 = 2023
Etc...

T = ToyotaeBay logo
L = LexuseBay logo

(May use other characters in unique
cases)

(The sequence is unique for each
Field Action category)
(May use other characters in
unique cases)

Examples:
19TA01 = Launched in 2019, ToyotaeBay logo, Safety Recall Remedy Phase, 1st Safety Recall Launched in 2019
20TC02 = Launched in 2020, Special Service Campaign, 2nd Special Service Campaign Launched in 2020
21TE05 = Launched in 2021, Customer Support Program, 5th Customer Support Program Launched in 2021

27

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TSB/Document ID: 21TC02_Technical

Replacement Service Bulletin Number:

MFR Communication Date: 2021-10-07

MFR Internal Campaign ID/Software Version:

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: ELECTRICAL SYSTEM

MFR Component System:

MFR Component Subsystem:


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