13E
13E-57
4. Work When Replacing the Engine Electronic Control Unit
• A vehicle identification number (VIN) must be written (registered) to the engine electronic control unit after:
• The current engine electronic control unit is replaced with a new one.
• The current engine electronic control unit is replaced with one that has been used on another vehicle.
Writing a VIN (entire flow)
4.1 Procedure for writing a VIN
(1) System check
• Select “POWERTRAIN” from the system check menu. After a
while, a menu related to POWERTRAIN/ENGINE appears.
• Select “ENGINE.”
• OBD requirements are automatically detected. Confirm that
“TYPE: EOBD” is detected.
• Click the OK button.
Connect the Multi-Use Tester (See Gr00).
Confirm the VIN on the vehicle nameplate (See Gr00).
Enter the VIN in the “VIN Writing” window of the Multi-Use Tester to write it to the engine electronic
control unit.
Turn the starter switch ON (the engine remains stopped).
Check the diagnosis code that is currently recorded, and delete it.
Disconnect the Multi-Use Tester.
View the “VIN Information” window of the Multi-Use Tester to confirm the VIN written to the engine
electronic control unit.