Mobile General-Purpose Vehicle Communication Interface – VCI 5.1E
Place of Origin: China
Manufacturer: IYASAKA Beijing
Scope of Supply
The VCI 5.1E Mobile General-Purpose Vehicle Communication Interface includes:
- Diagnostic device unit VCI 5.1E
- Bluetooth adapter for PC
- IA inspection software
- OBD communication cable with metal connector
- USB (Type-B) charging cable
- RS232 serial communication cable (for PC communication)
- Complete technical documentation (Bilingual Manuals in Chinese & English)
Purpose of Equipment
VCI 5.1E Mobile General-Purpose Vehicle Communication Interface is a high-performance automotive vehicle diagnostic device self-developed by IYASAKA (Beijing) Technology Limited, The equipment connects to vehicles via the OBD port, supporting data acquisition and diagnostics for 6 channels of CAN/CANFD, 1 channel of K-LINE and 1 channel of DOIP. It adopts industrial-grade Bluetooth wireless communication and also supports quick switching between Bluetooth and RS232 wired communication. The device is compatible with complete vehicle end-of-line (EOL) solutions and supports most automotive vehicle communications available on the market.
Measurement Items
- 6-channel CAN/CANFD communication (backward compatible with CANBUS)
- 1-channel DOIP communication function
- 1-channel K-LINE communication function
Functioning
- Supports Bluetooth wireless and RS232 serial wired transmission
- Covers mainstream automotive diagnostic protocol standards
- Automatic switching for OBD pin conflicts
- Supports full-line automatic tracking
- Integrated 6-channel CAN/CANFD (CAN BUS compatible) communication
- Supports 1-channel of K-LINE/LIN communication
- Supports 1-channel of DOIP Ethernet diagnostics
- Intelligent Reminder for Anti-disconnection Feature
- Automatic wireless/wired switching
- Wide voltage support: 9V~36V
- Software Parallel execution
- Expandable and upgradeable to support multiple different sensors
Basic Parameters
Category | Item | Specification |
Basic Parameters | Model | VCI5.1E |
| Dimensions (L x W x H) | 123mm × 82mm × 43mm |
| Weight | 0.26 kg |
| Housing Material | PC+ABS industrial engineering plastic |
| Ingress Protection | IP54 |
Communication | CAN/CANFD | 6 channels, CAN BUS compatible, ISO 11898-1, baud rate <= 5 Mbps |
| DOIP | 1 channel, ISO 13400 |
| K-Line/LIN | Supports ISO 9141 / ISO 17987 |
| Bluetooth | Bluetooth 5.0, range 30 m (open area) |
| Wired Communication | RS232 serial port x 2 |
Diagnostic Protocols | Application Layer | UDS (ISO 14229-1), KWP2000 (ISO 14230) |
| Transport Layer | ISO 15765-2 (DoCAN) |
| Network Layer | ISO 11898-1, ISO 13400 (DOIP) |
| OBD Protocols | ISO 15031, SAE J1979, SAE J1939 |
Electrical | Power Supply | Powered via OBD interface |
| Input Voltage | 9–36 V DC (wide voltage range) |
| Power Consumption | <= 2.5 W (typical) |
| ESD Protection | Contact discharge +/-8 kV / air-gap discharge +/-15 kV |
Environmental | Operating Temperature | -20 °C to +60 °C |
| Storage Temperature | -40 °C to +85 °C |
| Operating Humidity | 5%–95% RH (non-condensing) |
| Drop Resistance | 1.2 m free fall |
| Vibration Resistance | 10–500 Hz, 2G (RMS) |
Equipment Composition

Mobile General-Purpose Vehicle Communication Interface – VCI 5.1E
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