NHTSA ID Number: 10133897
Manufacturer Communication Number: T-SB-0012-13
TSB/Document Date: 2018-04-23
Summary
Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Techstream ECU flash reprogramming process and outlines use of the TIS and the CUW.
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D. Click “Next”,
E. Click “Continue” to view Health Check results.
Figure 4.
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+Health Check does not display five data
-Changes in vetucle condition val not update automatically
-To update Health Check, click the “Rehesh Health Check” button
Cominue
© 2013 Toyota
Motor Sales, USA
QTOYOTA T-SB-0012-13 January 29, 2013 Page 8 of 23
Techstream ECU Flash Reprogramming Procedure
Operation Procedure (Continued)
F. Available calibration updates are indicated by a Yes link in the “Cal. Update?” column.
Click the Yes link to access the appropriate Service Bulletin on TIS.
NOTE
* Note any DTCs stored in systems that will be flash reprogrammed.
* Clicking the Yes link will automatically launch TIS and perform a calibration search,
Figure 5.
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G. Log in to TIS. (If already logged in, skip this step.)
© 2013 Toyola Motor Sales, USA
TOYOTA T-SB-0012-13 January 29, 2013 Page 9 of 23
Techstream ECU Flash Reprogramming Procedure
Operation Procedure (Continued)
H. To review the Service Bulletin and access the calibration file, click the Service Bulletin link in
the “Document Title” column of the “Calibration Search Result” portlet.
NOTE
Only Toyota Certified Technicians and above may access calibration files.
Figure 6.
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© 2013 Toyota Motor Sales, USA
GPTOYOTA T-SB-0012-13 January 29, 2013 Page 10 of 23
Techstream ECU Flash Reprogramming Procedure
Operation Procedure (Continued)
2. Connect the GR8 Battery Diagnostic Station.
A. Connect the GR8 Battery Diagnostic Station to the vehicle and turn it ON.
B. Select Power Supply Mode by following the screen flow below.
NOTICE
+ ECU damage may occur if the correct battery charger and mode setting are NOT used.
* Power Supply Mode is used to maintain battery voltage at 13.5 volts while flash
reprogramming the vehicle.
° For details on how to use the GR8 Battery Diagnostic Station, refer to the GR8
Instruction Manual located on TIS, Diagnostics — Tools & Equipment — Battery
Diagnostics.
Figure 7.
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© 2013 Toyota Motor Sales, USA
@ TOYOTA T-SB-0012-13 January 29, 2013 Page 11 of 23
Techstream ECU Flash Reprogramming Procedure
Operation Procedure (Continued)
3. Click the appropriate calibration ID and reprogram the vehicle's ECU with Techstream.
A. After reviewing the procedures outlined in the selected Service Bulletin, click the appropriate
Calibration 1D link by matching the vehicle's current calibration ID to the Previous Calibration
iD in the Calibration Identification Chart.
NOTE
* Calibration files are embedded as live links in the Service Bulletin.
* Some vehicles require special preparation — please review the selected Service
Bulletin carefully.
Figure 8.
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TSB/Document ID: T-SB-0012-13
Replacement Service Bulletin Number:
MFR Communication Date: 2013-01-29
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM:SOFTWARE
MFR Component System:
MFR Component Subsystem:
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