D439E Service Manual 5. Service Tool
220
2. Description for the Communication Connecter and COM port
<Figure 2: G-scan COM port>
①
DLC
Connecter for connecting DLC cable to communicate with vehicle
Control Module.
②
OPTION
The USB Host port prepared for expanding the function by
connecting to additional equipments in the future.
PASS-THRU
The USB port for PC to communicate with vehicle through G-scan
in the future.
③
PC COMM
DOWNLOAD
The USB port for maintenance of G-scan.
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