D439E Service Manual 5. Service Tool
286
ECU Upgrade
This is to upgrade the ECU program to enhance the performance of ECU. Please be familiar with the
instruction and caution before ECU upgrade and then perform the ECU upgrade. Incompliant ECU upgrade
may cause serious damages on the ECU.
Introduction of the ECU Upgrade screen
<Figure 1: ECU Upgrade Screen>
Upgrades the ECU for the selected event automatically.
Upgrades ECU manually in case auto upgrade is not possible
Shows the Technical Service Bulletin of selected event.
It should be checked before ECU upgrade.
Shows all events list to upgrade ECU.
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