block diagram compressed
block diagram compressed

DB9 to OBD2 Pinout: Your Comprehensive Guide to Adapter Cables for Automotive Diagnostics

The DB9 to OBD-II adapter cable serves as a crucial tool, bridging the gap between devices equipped with a DB9 connector and vehicles utilizing the OBD-II interface. Primarily used in automotive diagnostics, this adapter allows seamless communication between a range of CANbus products and a vehicle’s diagnostic port. This article delves into the intricacies of the Db9 To Obd2 Pinout, providing a comprehensive understanding for professionals and enthusiasts alike.

This adapter cable is engineered to ensure direct compatibility with EasySYNC CANPlus modules and any CANbus adapter adhering to the CAN-in-Automation (CiA) DS102-2 pin-out standard. The OBD-II end is designed for straightforward connection to any standard automotive diagnostic port, specifically interacting with the CANbus section of the OBD-II protocols.

The cable assembly features a standard DB9 Female connector at one end and an OBD 16 Pin Male connector at the other. This configuration facilitates the necessary data exchange between EasySYNC CANbus products or similar devices and the OBD-II interface commonly found in vehicles.

Understanding the Adapter’s Architecture

To fully grasp the functionality, examining the block diagram of the DB9 to OBD2 adapter cable is essential.

DB9 Connector (Female) Details

The DB9 connector, technically a 9-way D-sub female connector (DE-9S), is designed for direct integration with EasySYNC CANPlus products and various other CANbus systems. The signals transmitted via CANbus are compliant with the CAN-in-Automation (CiA) DS102-2 pin-out specifications, ensuring interoperability and standardized communication.

Cable Specifications: Length

The OBD-M-DB9-ES cable is manufactured to a length of 900mm (approximately 3 feet). This length provides sufficient reach for diagnostic tasks while maintaining signal integrity.

OBD-16P Connector (Male) Features

The OBD-16P connector’s wiring configuration is specifically tailored to connect with the CANbus pins within an OBD-II compliant automotive system. This ensures correct and reliable communication with the vehicle’s network.

Internal Connection and Pinout Configuration

Understanding the internal wiring is crucial for advanced applications and troubleshooting. The following table and diagram illustrate the internal connections of the OBD-M-DB9-F-ES adapter cable, clearly outlining the db9 to obd2 pinout.

This db9 to obd2 pinout diagram details the precise wiring between the 9-pin DB9 connector and the 16-pin OBD2 connector, crucial for ensuring correct signal transmission for CANbus communication in automotive diagnostic applications.

Safety and Environmental Considerations

Safety Standards

The OBD-M-DB9-F-ES adapter cable is classified as a Limited Power Supply (LPS) device. It is designed to operate safely with voltages under 60VDC, adhering to safety standards for low voltage applications.

Environmental Compliance

The OBD-M-DB9-F-ES is a lead-free product, aligning with contemporary environmental regulations and guidelines. It is compliant with the following environmental standards:

RoHS, WEEE, REACH, PFOS, and DecaBDE.

This commitment to environmental standards ensures the product is not only functional but also responsibly manufactured.

Comments

No comments yet. Why don’t you start the discussion?

Leave a Reply

Your email address will not be published. Required fields are marked *