Scope of Supply
General‑Purpose Vehicle Communication Interface VCI5 contains:
Diagnosis unit body VCI5
Bluetooth adapter on the computer
Metal head OBD communication line
USB port charging cable
232 serial communication line (communication with PC)
Complete technical data, including Chinese and English data booklets
Purpose of Equipment
The General‑Purpose Vehicle Communication Interface VCI5, developed by IYASAKA (Beijing) Automotive Technology Co., Ltd., is a high-performance automotive bus data transmission device. It employs dual communication modes: wired-wireless Bluetooth and wired 232 serial port, functioning as a complete automotive network communication protocol controller with high-speed and reliable data transmission. Powered via the OBD interface, it features a wake-up capability and is widely applicable for bus diagnostics across major automakers. The device integrates four CANFD compatible interfaces, one DOIP communication port, and one K-line communication port, supporting nearly all common automotive network communication standards.
Measurement Items
CANFD communication (compatible with CANBUS)
One-way DOIP communication function
1 K-LINE communication function
Functioning
Connect the cars BD cable to power the diagnostic instrument;
Supports Bluetooth wireless and 232 serial port cable transmission;
Support multiple automotive bus protocols
Supports the secondary development interface function of the host computer.
Integrated with 4 CANFD/CANBUS communication modes;
Supports 1 K bus communication mode;
| pilot lamp | state | Indicating status |
| Power | red | Power on the device |
| Its not bright | The device is not powered on | |
BT SYS | blue | Bluetooth is connected |
| Its not bright | Bluetooth is not connected | |
| COM | Its not bright | No data transfer |
| Green flashes | The host computer is transmitting messages to the diagnostic instrument | |
| Its not bright | No data transfer | |
| OBD | Yellow flashes | The ECU is transmitting messages to the diagnostic instrument |
Integrated with 1 DOIP bus communication mode;
Wireless and wired automatic switching;
The signal light indicates the working status
Basic Parameters
Bluetooth transmission distance: 100 meters in open space
Transmission port rate: 38400~115200
Interface: wired/wireless Bluetooth connection, serial port communication
Equipment Composition

General‑Purpose Vehicle Communication Interface——VCI5
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