OBDSTAR (M081) | MAN 8-pins OBD - 16-pins OBD2 Adapter Cable | Motorboat
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Warranty directly via AsTools
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2 years warranty on all products
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The OBDSTAR M081 is the adapter cable for the 8-pin MAN diagnostic connector on marine engines. It connects that factory port to the 16-pin OBD2 (J1962) input on your OBDSTAR device and attaches to the diagnostic port of the engine control system on the motor side.
MAN uses its own 8-pin port on these engines instead of a standard connector. The fixed wiring links the correct pins of the MAN connector to the corresponding OBD2 pin positions, allowing data communication via the available protocols — such as K-line — without additional setup.
The cable provides access to the engine diagnostic interface of your vessel; it does nothing beyond that. Which functions you can perform depends on your OBDSTAR device's capabilities and software support for MAN marine applications.
KEY BENEFITS
IMPORTANT NOTES
Applications and Features
Through the 8-pin port, you access the engine management system of the MAN marine engine.
Control units you can reach
- Engine Management System: the engine control system of the MAN marine engine accessed through the 8-pin diagnostic connector.
- Other Modules: whether additional units on board are accessible varies depending on the installation and device.
What You Can Do
- Read Fault Codes: retrieve stored and active diagnostic trouble codes from the engine management system via the 8-pin connector.
- Clear Fault Codes: delete stored trouble codes in the engine system after diagnosis and repair.
- Request Live Data: read current sensor values and engine parameters in real-time from the engine control system.
- Establish Connection: the MAN port is converted to the OBD2 input your device uses.
- Important: what is available depends on the MAN marine software support in your OBDSTAR device.
Compatible Vehicles and Applications
The determining factor is the 8-pin MAN diagnostic connector, not the engine type. Compatibility is based on available product information; specific engine types with model years are not specified.
- MAN: marine engine motors with 8-pin OBD connector
Package Contents
- 1x OBDSTAR (M081) | MAN 8-pin OBD - 16-pin OBD2 Adapter Cable | Marine Engine
Technical Specifications
| Specification | Description |
|---|---|
| Brand | OBDSTAR |
| Part Number | M081 |
| Type | Adapter Cable |
| Application | MAN 8-pin diagnostic connector on marine engines |
| Vehicle-Side Connector | MAN 8-pin OBD |
| Device Connection | 16-pin OBD2 |
| Communication | K-line |
| Control Units | Engine Management System |
| Segment | Motorboat |
| Supported Brands | MAN |
| Model Range | Not limited by model year; determined by the presence of the 8-pin MAN connector |
| Required to Use | OBDSTAR diagnostic scanner with marine coverage, such as the Marine Master or an iScan variant |
| Additional Requirements | None; the cable operates without an adapter or power supply |
| Weight | 0.1 kg |






