D439E Service Manual 5. Service Tool
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2. After selecting the event, select or button, then the screen will be changed to
the system selection screen as shown in following figure.
<Figure 15: ECU Manual Upgrade – STEP 1>
CAUTION
Please make sure to select compliant system of the vehicle specification.
3. Select or button, then the message window requiring password will be
displayed as following figure.
<Figure 16: ECU Manual Upgrade – STEP 2>