Doosan D35S-5 Service Manual page 295

How to conduct the Manual Upgrade
The manual upgrade of ECU is required only when auto upgrade is failed, Unlike the auto upgrade, user
should select the event and enter the password.
1. On the main screen, select , then the screen will be changed as following figure
and all events to the vehicle are shown.
<Figure 13: ECU Upgrade Screen>
<Figure 14: TSB>
After selecting the event to be upgraded, select at the bottom of the screen to check
before upgrade
D439E Service Manual 293 5. Service Tool