OBDSTAR (N015A) | Honda 4-pin OBD – 16-pin OBD2 Adapter | Motorboat
Warranty directly via AsTools
Warranty directly via AsTools
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2 years warranty on all products
2 years warranty on all products
All our products come with a 2-year factory warranty. This ensures you long-lasting quality and service.
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Easy returns
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Professional customer service
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The OBDSTAR N015A is a conversion Adapter that converts a Honda 4-pin OBD connection to a standard 16-pin OBD2 (J1962) connection. The Adapter is specifically developed for use with Honda motorboat engines equipped with a 4-pin diagnostic connector instead of a modern OBD2 port. The Adapter is compact and consists of two separate plug components that connect to each other.
The N015A connects the 4-pin Honda diagnostic plug of the motorboat to the 16-pin OBD2 port of an OBDSTAR diagnostic device or programmer. Through this connection, the relevant diagnostic signal lines — including the K-line — are routed to the diagnostic cable, allowing communication with the engine control unit (ECU) of the boat engine. The Adapter itself does not perform signal processing but physically establishes the correct pin connections between both connector types.
ADVANTAGES
IMPORTANT POINTS
Applications and functionalities
The N015A supports the following diagnostic applications on Honda boat motors via OBDSTAR equipment:
- Connection with 4-pins Honda OBD connector: The Adapter allows the technician to connect the 4-pin diagnostic port of a Honda outboard motor to the 16-pins OBD2 input of an OBDSTAR diagnostic cable.
- ECU communication via K-line: Through the established pin connections, the K-line of the Honda engine control unit is made available for diagnostic protocols controlled by the OBDSTAR device.
- Engine management fault code analysis: Enables reading of fault codes (DTCs) from the engine management of the Honda boat motor via the connected OBDSTAR diagnostic equipment.
- Live data stream display: Supports real-time retrieval of sensor values and engine parameters from the boat motor, depending on the capabilities of the connected OBDSTAR device.
Compatible vehicles and applications
The compatibility below is based on available product information from OBDSTAR. The Adapter is intended exclusively for Honda outboard motors with a 4-pins OBD diagnostic connector.
Honda:
- Outboard motors with 4-pins OBD connector: Please consult the OBDSTAR compatibility list for specific engine models and production years.
Package Contents
- 1x OBDSTAR (N015A) | Honda 4-pins OBD – 16-pins OBD2 Adapter | Motorboat






