Unit installation

2008 SCION xB ECU RE-FLASH
Procedure
Issue A: 04/28/08 Page 43 of 48
21. ECU Re-flash
(a) The proper procedure to re-flash the ECU
(Engine Control Unit) is explained in a
Technical Service Bulletin (SS002-07) titled
“Techstream ECU Flash Reprogramming
Procedure” located on T.I.S. (Toyota
Information System).
(b) Download your correct vehicle ECU Calibration
Update from TIS (See chart below) into the
Techstream Tool using the TIS Calibration
Update Wizard.
Note: Your Techstream system must be
updated to at least operating version 2.20.015
or higher. Failure to do so may result in a no
re-flash condition.
(c) Follow the re-flashing procedure outlined in
T.S.B. SS002-07.
N
OTE: The GR8 Battery Charger MUST be
used in Power Supply Mode to maintain
battery voltage at 13.5 volts while flash
reprogramming the vehicle.
For details on how to use the GR8 Battery
Charger please refer to the GR8 Instructions
Manual located on TIS, Diagnostics-Battery.
NOTE: The vehicle WILL NOT operate
p
roperly without this ECU update.
Model Model Year
Target Calibration
ID
Supercharger
Calibration ID
Scion xB M/T
2008 31247000 3YWJ0100
Scion xB A/T 2008 31248000 3YWJ0200