Accurate Technologies - Blog #Diagnostics

Automotive Ethernet Explained Pt. 1

Wed, 18 Feb 2026 08:29:22 -0500

Why the Industry Moved Beyond CAN-Only Networks and What Makes It Different

For decades, CAN bus has been the backbone of in-vehicle communication. It is reliable, deterministic, and well suited for control-heavy systems like powertrain, chassis, and body electronics.

So why did the automotive industry introduce Automotive Ethernet?

The answer comes down to scale. Modern vehicles outgrew what CAN-only architectures can realistically support. Understanding why Ethernet was needed, why regular Ethernet was not well suited, and how Automotive Ethernet fits alongside existing networks is key to understanding modern vehicle design.

Why CAN-Only Networks Hit Their Limits

CAN was designed for reliable message-based communication between embedded controllers. For many years, bandwidth demands were low and predictable. That changed quickly.

Modern vehicles now include:

Multiple cameras and high-resolution displays
Radar, lidar, and sensor fusion systems
Centralized compute and software-defined features

Even with CAN FD, bandwidth is still measured in kilobits to a few megabits per second due to limited data packet sizes. That is more than enough for control signals, but not nearly enough for data-heavy systems like ADAS or infotainment.

As vehicle complexity increased, OEMs faced a choice:

Add more CAN buses and gateways, which increases cost and complexity
Introduce a high-bandwidth backbone network

Automotive Ethernet became that backbone.

Moving to Ethernet

While Ethernet can provide significantly higher bandwidth over CAN FD, it is not a drop-in replacement:

Ethernet is intended to be Point to Point requiring switches when there are more than two nodes.
Much of the available Ethernet hardware was not suited for the temperature ranges needed for the automotive industry.
Typical Ethernet uses 2 or 4 twisted pairs that increases cost and wiring complexity.
Significantly different implementations in software make Ethernet a much larger change than the migration from CAN to CAN FD.

While Ethernet provided a clean way to move large data streams there were costs and other technical details that needed to be addressed.

What Makes Automotive Ethernet Different from Regular Ethernet

At first glance, Ethernet looks the same everywhere. Vehicles, however, are a very different environment from offices or data centers.

Automotive Ethernet is specifically engineered for in-vehicle use.

Single-Pair Ethernet

The single biggest difference is that Automotive Ethernet uses a single twisted pair putting it on par with the 2 wires used for CAN.

Reduced cable weight
Lower cost
Easier routing through the vehicle

Standards like 100BASE-T1 and 1000BASE-T1 are designed specifically for automotive applications.

Automotive-Grade Physical Layers

Automotive Ethernet PHYs are built to survive:

Wide temperature ranges
Constant vibration and shock
High levels of electrical noise and EMI

This is why regular Ethernet adapters and switches cannot simply be plugged into a vehicle network.

Determinism by Design

A common misconception is that Ethernet is not deterministic.

In automotive systems, determinism is achieved through:

Full-duplex point-to-point links
Switched network architectures
Time-sensitive networking where required

The result is predictable latency suitable for high-bandwidth and time-aware systems.

Vehicle-Specific Protocols on Top

Automotive Ethernet is not just about moving packets faster. It supports vehicle-specific communication through protocols such as:

SOME/IP for service-oriented communication
DoIP for diagnostics over IP
AVB and TSN for synchronized data streams

These protocols are a major reason Automotive Ethernet behaves very differently from traditional IT Ethernet.

Automotive Ethernet Complements CAN

Automotive Ethernet does not replace CAN as it has proven reliability and is extremely cost effective.

In real vehicles:

CAN and CAN FD handle control and safety-critical communication
Automotive Ethernet handles data-heavy systems and network backbones
Gateways connect CAN and Ethernet domains

This coexistence allows OEMs to scale vehicle capabilities without abandoning proven technologies.

Why This Matters for Development and Testing

As Automotive Ethernet becomes more common, engineering challenges change:

Network bring-up and configuration become more complex
Latency and packet loss must be measured and understood
Diagnostics span multiple network types
Tools must understand automotive protocols, not just raw Ethernet frames

What Comes Next

With the fundamentals in place, the next question is practical:

When should CAN, CAN FD, or Automotive Ethernet be used, and how do they work together in real vehicles?

That is the focus of Blog #2 in this series.

Automotive Ethernet vs.Regular Ethernet

ISO 9141 K-Line Communication

Tue, 06 May 2025 14:44:22 -0400

Why it Still Matters in Automotive Diagnostics

When it comes to automotive diagnostics, communication is everything. Modern vehicles are equipped with hundreds of sensors, control units, and modules — all of which must communicate efficiently and reliably to ensure smooth operation and maintenance. One of the earliest and most significant communication standards in this space is ISO 9141, which introduces the K-Line — a simple but powerful communication channel.

In this post, we'll dive into what the ISO 9141 standard is, how the K-Line works, why it remains important even today, and why companies like Accurate Technologies continue to support it in their products.

What is ISO 9141?

ISO 9141 is a communication protocol standardized by the International Organization for Standardization (ISO). It was primarily developed for diagnostics in European and Asian vehicles in the late 1980s and early 1990s, long before modern systems like CAN (Controller Area Network) became widespread.

ISO 9141 was one of the first protocols used for On-Board Diagnostics (OBD) systems, particularly in vehicles that were OBD-I and later OBD-II compliant in the early days.

Key facts about ISO 9141:

It operates over a single bidirectional line called the K-Line.
An optional secondary line called the L-Line can be used for wake-up or initialization, but most systems rely on the K-Line alone.
It uses asynchronous serial communication (similar to RS-232, but automotive-specific).
Typical data rates range from 1.2 kbps to 10.4 kbps (but in calibration applications it can go up to 115Kbps).

What is the K-Line?

The K-Line is the heart of the ISO 9141 communication system. It's a single wire that allows for half-duplex communication — meaning data can flow both ways, but not at the same time.

Think of it like a walkie-talkie: either the car's Electronic Control Unit (ECU) talks, or the diagnostic scanner talks — but not both simultaneously.

Typical K-Line setup:

Voltage levels: The line is typically pulled high to 12 VBAT when idle. A device pulls it low (toward ground) to transmit a logic 0.
Pull-up resistor: Ensures the line stays high when no one is transmitting.
Transceiver hardware: Converts standard microcontroller logic levels (3.3V or 5V) to automotive-safe voltages.

Why is an ISO 9141-Compliant K-Line Important?

Legacy Vehicle Support
Many vehicles from the 1990s and early 2000s (especially from manufacturers like Toyota, Honda, BMW, and VW) still use the K-Line for diagnostics. If you're working on or restoring older cars, you need K-Line support.
Simplicity
Compared to more modern protocols like CAN or FlexRay, the K-Line is straightforward. It's a single-wire system with simple voltage signaling, making it easier (and cheaper) to implement for basic diagnostic tools.
Diagnostic Scanning and Repair
Professional mechanics and automotive enthusiasts often encounter vehicles where advanced CAN-based systems are absent. ISO 9141 compliance ensures that your scanner can still connect to the car's ECU and retrieve diagnostic trouble codes (DTCs), perform sensor checks, or even program modules.
Cost-Effective Tool Development
For companies designing budget OBD-II adapters and diagnostic tools, supporting ISO 9141 over K-Line means covering a huge portion of the global vehicle market without the complexity (and cost) of more modern, multi-wire protocols.
Foundation for Understanding Automotive Communication
Learning how the K-Line operates provides a solid grounding for moving into more complex automotive communication standards later, like ISO 14230 (KWP2000) or ISO 15765 (CAN).

Why Accurate Technologies Continues to Support the K-Line

At Accurate Technologies Inc. (ATI), supporting ISO 9141-compliant K-Line communication is more than just maintaining backward compatibility — it's about providing comprehensive, versatile, and future-ready solutions.

Here’s why ATI continues to support K-Line channels:

Global Market Needs: Many vehicles, especially outside North America, still heavily rely on ISO 9141/K-Line communication. ATI ensures that engineers, technicians, and manufacturers worldwide have the tools they need to work on a diverse range of vehicles.
Complete Testing Coverage: Automotive development and validation often involve testing new technologies alongside older systems. By offering K-Line support, ATI products allow seamless communication with both modern and legacy modules without requiring additional adapters or workarounds.
OEM and Tier 1 Requirements: Many OEMs and Tier 1 suppliers specify the need for K-Line capability in their development tools. ATI meets and exceeds these requirements, ensuring that its customers have full diagnostic and calibration access, regardless of protocol age.
Ease of Integration: ATI’s robust K-Line implementations integrate smoothly with their broader software and hardware ecosystems, such as VISION™ software and ECU interface modules, allowing users to handle multiple vehicle network types simultaneously from a single platform. DLX Datalogger also includes K-Line capabilities.
Commitment to Reliability: K-Line communication, while simple, can be sensitive to noise and timing issues. ATI’s mature, ISO-compliant K-Line solutions offer reliable, low-error communication, even in challenging automotive environments.

By continuing to support the K-Line, ATI empowers users to be ready for anything — from modern EVs with advanced CAN-FD networks to older ICE vehicles that still rely on trusty K-Line diagnostics.

Conclusion

The ISO 9141-compliant K-Line channel remains a vital piece of automotive communication history. It's simple, robust for its era, and still highly relevant for older vehicle diagnostics today. Whether you're a DIY mechanic, a professional auto technician, or an engineer building diagnostic tools, understanding the K-Line and its ISO 9141 compliance can give you a major edge.

Companies like Accurate Technologies recognize this value and continue to support K-Line in their products, ensuring engineers and technicians have the tools they need to connect, diagnose, and succeed — no matter what’s under the hood.

Comparative Analysis of On-Board Diagnostics (OBD) Standards: Enhancing Vehicle Diagnostics

Tue, 02 Jul 2024 08:54:56 -0400

In the dynamic landscape of automotive technology, On-Board Diagnostics (OBD) standards play a pivotal role in ensuring vehicle performance, emissions compliance, and overall diagnostic capabilities. Understanding the nuances of different OBD standards is crucial for automotive engineers, manufacturers, and service providers alike. This blog post aims to delve into the comparative analysis of OBD standards, highlighting their impact on vehicle diagnostics and their relevance in modern automotive technology.

Evolution of OBD Standards

OBD standards have evolved significantly over the years, starting from OBD-I in the early 1980s to the more sophisticated OBD-II and beyond. These standards are designed to monitor the performance of various vehicle systems and components, detect malfunctions, and alert drivers or technicians to potential issues before they escalate.

Key OBD Standards Compared

OBD-I (1980s):

OBD-I was the first generation of on-board diagnostics systems, primarily focused on emission controls. It introduced basic fault code retrieval capabilities, but lacked standardized protocols across manufacturers.

OBD-II (1990s - Present):

OBD-II represents a significant advancement with standardized protocols and connectors mandated for all vehicles sold in the United States since 1996. It expanded diagnostic capabilities beyond emissions to include engine, transmission, and chassis systems. This standard uses a standardized set of diagnostic trouble codes (DTCs) and supports real-time data streaming.

EOBD (European OBD):

EOBD is essentially based on the OBD-II standard but tailored to meet European emission regulations. It ensures compatibility with European vehicles and integrates similar diagnostic functions as OBD-II.

JOBD (Japanese OBD):

Similar to EOBD, JOBD aligns with OBD-II standards but is adapted to suit Japanese vehicle regulations and market requirements.

OBD-III (Future):

OBD-III is anticipated to further enhance diagnostic capabilities with advancements in sensor technology, data analytics, and connectivity. It aims to provide more precise fault detection and predictive maintenance capabilities.

Impact of OBD Standards on Vehicle Diagnostics

Standardization and Compatibility: OBD-II's universal adoption has streamlined diagnostics across different vehicle makes and models, enabling technicians to use standardized tools for fault diagnosis.

Emissions Compliance: OBD standards are integral to ensuring vehicles meet stringent emissions regulations worldwide, helping to monitor and control pollutants released into the environment.

Diagnostic Precision: Advanced OBD standards enhance diagnostic precision by providing real-time data on various vehicle systems. This aids in quicker fault detection and more accurate repairs, reducing downtime and costs for vehicle owners.

Accurate Technologies' Role in OBD Standards

Accurate Technologies understands the critical importance of OBD standards in automotive diagnostics. Its Diagnostics Tools are tailored to support various OBD standards, particularly during the development phase, ensuring comprehensive diagnostic capabilities for automotive manufacturers and service providers. With their expertise in vehicle diagnostics and calibration, they empower their clients to leverage OBD standards effectively, enhancing vehicle performance, reliability, and regulatory compliance, from the first prototype to end of line and in-field support.

Conclusion

As automotive technology continues to advance, OBD standards remain at the forefront of vehicle diagnostics and maintenance. Understanding the differences and implications of various OBD standards is essential for stakeholders across the automotive industry.

To learn more about how Accurate Technologies supports OBD standards and can empower your OBD related project, visit ATI’s Diagnostics Services page.

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HV DAQ and Battery Electric Vehicle Development

Thu, 20 Jun 2024 09:31:35 -0400

High voltage data acquisition equipment plays a critical role in the development of Battery Electric Vehicle (BEV) powertrains, which are integral to the shift towards sustainable transportation. BEVs rely heavily on the performance and reliability of their electrical components, and the data acquisition systems used in testing and development are key to ensuring these components meet rigorous standards. Here’s why this equipment is so important:

Precision and Accuracy in Data Collection

High voltage data acquisition equipment provides precise and accurate measurements of various parameters such as voltage, current, temperature, and frequency. This precision is crucial for developing and fine-tuning the powertrain components, including the battery, inverter, and electric motor. Accurate data helps engineers understand how these components behave under different conditions, identify inefficiencies, and make necessary adjustments to optimize performance.

Safety and Reliability

Safety is paramount in the development of high voltage systems like those used in BEVs. High voltage data acquisition systems enable the monitoring of critical safety parameters. By continuously collecting data on voltage levels, current flow, and thermal conditions, these systems help in identifying potential issues such as overvoltage, overcurrent, and overheating. Early detection of such anomalies is vital to preventing failures that could lead to hazardous situations.

Enhancing Battery Management Systems (BMS)

The battery is the heart of a BEV, and its management system (BMS) is crucial for ensuring longevity, performance, and safety. High voltage data acquisition equipment provides the detailed information needed to develop and refine BMS algorithms. This includes data on charge and discharge cycles, state of charge (SOC), state of health (SOH), and temperature distribution within the battery pack. With accurate data, engineers can improve the BMS to enhance battery efficiency, extend its life, and ensure safe operation.

Optimization of Energy Efficiency

Energy efficiency is a key performance indicator for BEVs, directly impacting their range and overall sustainability. High voltage data acquisition systems facilitate the analysis of energy flow within the powertrain, from the battery to the motor and other components. By studying this data, engineers can identify areas where energy losses occur and develop strategies to minimize these losses, such as improving power electronics or optimizing motor control algorithms. This leads to more efficient powertrains, which can provide longer driving ranges and better performance.

Accelerating Development Cycles

In the competitive automotive market, reducing development time is essential. High voltage data acquisition equipment allows for real-time monitoring and testing of powertrain components, providing immediate feedback on performance. This real-time data enables rapid prototyping and iterative testing, which significantly speeds up the development cycle. Engineers can quickly assess the impact of changes and make informed decisions without lengthy delays, ensuring faster progression from concept to market-ready products.

Enabling Advanced Diagnostics

High voltage data acquisition systems are also crucial for advanced diagnostics and fault detection. By continuously monitoring powertrain parameters, these systems can detect deviations from normal operation patterns. This capability is essential for both development and post-production phases, as it helps in identifying and diagnosing issues early, reducing downtime, and improving maintenance strategies.

Supporting Compliance and Standards

The automotive industry is highly regulated, with stringent standards for safety, efficiency, and emissions. High voltage data acquisition equipment ensures that BEV powertrains meet these standards by providing comprehensive data needed for certification and compliance. Detailed records of testing and performance metrics are crucial for demonstrating adherence to regulatory requirements and for securing necessary approvals.

In conclusion, high voltage data acquisition equipment is indispensable in the development of BEV powertrains. It ensures precision, enhances safety, optimizes performance, accelerates development cycles, enables advanced diagnostics, and supports regulatory compliance. As BEVs continue to evolve and play a significant role in the transition to sustainable transportation, the importance of high voltage data acquisition equipment will only grow. This is why Accurate Technologies Inc. has partnered up with Klaric GmbH to provide a range of cutting-edge HV DAQ systems.

Discover More Here

World Wide Harmonized Diagnostics (WWH-OBD)

Thu, 30 May 2024 11:18:08 -0400

World Wide Harmonized Diagnostics (WWH-OBD) is a standardized protocol used for vehicle control module calibration. This protocol allows for seamless communication between vehicle manufacturers and vehicle diagnostic tools, providing a standardized method for calibrating vehicle control modules across different makes and models. By implementing WWH-OBD, manufacturers can ensure that their vehicles meet the strict regulations set forth by global government bodies, while also streamlining the calibration process for technicians.

One key component of WWH-OBD is the use of Parameter Identifier (PID) and Data Identifier (DID) codes. PIDs are used to request specific data values from a vehicle's control module, while DIDs are used to request specific calibration values for the module. By using these codes, technicians can easily access and modify the necessary data and calibration values needed to calibrate the control module.

PIDs are typically used to retrieve sensor and data values from the vehicle's control module. For example, a PID code might be used to retrieve the current engine speed, throttle position, or vehicle speed. By using PIDs, technicians can quickly diagnose issues with a vehicle's performance and make the necessary adjustments to improve its operation.

DIDs, on the other hand, are used to retrieve calibration values for the vehicle's control module. These values are typically stored in the module's memory and can be modified by technicians to customize the vehicle's performance. For example, a DID code might be used to adjust the timing or fuel injection settings for the engine, allowing technicians to fine-tune the vehicle's performance and efficiency.

By using PIDs and DIDs, technicians can quickly and efficiently calibrate a vehicle's control module to meet specific performance requirements. This standardized approach to calibration ensures that vehicles meet strict emissions standards and performance criteria, while also simplifying the diagnostic process for technicians.

In addition to PIDs and DIDs, WWH-OBD also includes standardized communication protocols that allow for seamless communication between vehicle control modules and diagnostic tools. This ensures that technicians can easily access the necessary data and calibration values needed to calibrate the vehicle's control module, regardless of the make or model of the vehicle.

Overall, World Wide Harmonized Diagnostics is a vital tool for vehicle manufacturers and technicians alike. By implementing this standardized protocol, manufacturers can ensure that their vehicles meet global emissions standards and performance criteria, while technicians can quickly and efficiently calibrate vehicle control modules to meet specific requirements. With the use of PIDs and DIDs, technicians can access the necessary data and calibration values needed to calibrate a vehicle's control module, ensuring optimal performance and efficiency.

Accurate Technologies operates at the cutting edge of advanced World Wide Harmonized Diagnostics access, control and calibration software. Discover how VISION’s powerful diagnostics toolkits can help your team hit its development goals here https://www.accuratetechnologies.com/Diagnostics-Services.

ATI and Methodica Technologies

Thu, 25 Apr 2024 11:55:39 -0400

Pioneering Partnerships for Advanced Solutions in MCD Sector

In its quest to continually push the boundaries of innovation, ATI has forged a strategic partnership with Methodica Technologies, an emerging technology consulting company. At the heart of this collaboration lies Methodica's iTAP platform, a revolutionary tool for Hardware-In-Loop (HIL) testing of application and diagnostic software on electronic control units (ECUs). By integrating ATI's expertise in hardware and software solutions with Methodica's cutting-edge iTAP platform, the two companies are poised to deliver advanced solutions that meet the evolving needs of the MCD sector.

At the core of the partnership between ATI and Methodica Technologies is the iTAP platform, which offers a seamless solution for writing scripts for bench tools used in HIL testing. With various HIL test bench tools integrated into iTAP's clean tool abstraction layer, users can switch between tools smoothly and integrate solutions to satisfy their software testing needs. This emphasis on flexibility and interoperability ensures that clients can tailor their testing workflows to suit their specific requirements, driving efficiency and productivity.

As part of the partnership, ATI and Methodica Technologies are placing a strong emphasis on key features including open API, flashing, and scripting functionality with VISION. These capabilities are essential for enabling seamless integration with existing workflows and ensuring compatibility with a wide range of hardware and software platforms. By prioritizing these features, ATI and Methodica Technologies are ensuring that their integrated solutions deliver maximum value and versatility to clients in the MCD sector.

By combining ATI's decades of experience and Methodica's cutting-edge iTAP platform, the two companies are poised to deliver advanced solutions that meet the evolving needs of clients across various industries. With a focus on reliability, performance, and innovation, ATI and Methodica Technologies are paving the way for a future where MCD solutions are more advanced, efficient, and user-friendly than ever before.

ATI at the Automotive Testing Expo

Thu, 25 Apr 2024 11:48:25 -0400

A Showcase of Innovation and Excellence

The Automotive Testing Expo stands as the pinnacle of automotive testing, development, and validation technologies worldwide, drawing industry leaders and enthusiasts alike to its annual showcases in Detroit, Shanghai, and Stuttgart. Among these, the European leg in Stuttgart reigns supreme, offering a glimpse into the forefront of automotive innovation. This year, ATI will be present, demonstrating its commitment to excellence and advancement in the field.

As visitors walk through the halls of the Automotive Testing Expo, they will see an array of cutting-edge technologies and solutions. Among the over 400 exhibitors, ATI will be showcasing its latest products and services tailored to meet the evolving needs of the automotive industry. From measurement, calibration, and diagnostics (MCD), advanced driver assistance systems (ADAS) and autonomous vehicle testing to electric and hybrid powertrain testing, ATI's offerings span the entire spectrum of automotive powertrain testing requirements.

ATI’s booth will feature demonstrations of its Vehicle Communications Gateway (VCG-1,) the latest 64-bit version of its VISION ECU Calibration and Data Acquisition software which now includes custom screen controls and a GPS visualizer, plus PICOTURN turbo speed sensors and a wide variety of CANbus interfaces and loggers from both ATI and Kvaser.

For ATI, participation in the Automotive Testing Expo is not just about showcasing its products—it's about reaffirming its commitment to excellence and customer satisfaction. With a dedicated team of experts on hand to provide insights and guidance, visitors can expect unparalleled support and service as they explore ATI's offerings.

With its cutting-edge technologies, dedicated team, and visionary leadership, ATI is poised to lead the charge in shaping the future of automotive testing. As the industry continues to evolve and innovate, ATI remains steadfast in its mission to provide the tools and technologies needed to drive progress and unlock new possibilities in automotive testing and development.

Learn more and register here:

https://www.testing-expo.com/europe/en/

ATI's Custom Screen Control Objects

Tue, 26 Mar 2024 12:25:00 -0400

Enhancing User Experience with ATI's Custom Screen Control Objects in VISION

In the realm of accessibility and user experience, the latest version of ATI's VISION data acquisition and calibration software stands out with its innovative Custom Screen Control (CSC) Objects. Released with VISION 7.0 on February 29^th, 2024, CSC unleashes the ability to craft accessible interfaces via scripts. These scripts facilitate interaction and data retrieval within the VISION environment, ensuring a smooth and efficient user experience. This feature empowers users to tailor interfaces according to their specific needs and preferences, fostering seamless interaction and data retrieval within the VISION environment.

The CSC Objects operate in two distinct modes: "Designer Mode" (a.k.a. “Power Users”, “Unlocked Mode”) and "User Mode" (“Locked Mode”). While Unlocked, Power Users gain access to a context menu hosting a selection of controllers, enabling them to create and configure CSC Objects within a dedicated screen. Conversely, when locked, the context menu becomes inaccessible, ensuring that all users can run the controls without modifying or configuring CSC Objects. Toggling between locked and unlocked states is straightforward; users simply need to right-click on the CSC's title bar and select the respective action from the context menu. This grants users flexibility and control over their CSC configurations within the VISION environment. Enabling Designer Mode is equally simple; users can unlock the CSC by right-clicking on its title bar and selecting "Unlock" from the context menu.

User Mode provides accessibility to all users, allowing them to utilize CSCs crafted by Power Users effortlessly. These controls encompass various action items such as Buttons, Check Boxes, Output Lists, etc. facilitating interaction with scripts and data retrieval. Features like Edit Fields and Selection List controls retain user inputs or selections between sessions, further enhancing user experience and productivity. Conversely, the Designer Mode’s advanced context menu offers additional configuration options yielding a selection of "Controllers" to further customize their CSC’s. There is a specific controller that allows for script configuration, enabling users to set up actions and display results seamlessly. By right-clicking inside a Button controller, users can access the script configuration menu and generate Callback IDs associated with callback functions or event handlers, ensuring a tailored and responsive user experience.

CSC Objects can be easily distributed to other users, fostering collaboration, and sharing customized interfaces within and across teams. Users can package projects which organize the files required by CSC into folders with the same name as the VISION “Screen Name” they’re utilized in. Within each screen’s folder hosting CSC Objects, users will find directories for Background Images, Help Files, and Scripts, ensuring a comprehensive and organized distribution of CSC components.

In conclusion, ATI's CSCs in VISION 7.0 onwards offer a powerful toolset for crafting accessible and tailored interfaces, enhancing user experience and productivity within the VISION environment. With flexible configuration options, seamless interaction with controls, and easy distribution, CSC empowers users to customize their workflows and optimize their use of VISION software.

Elevating Automotive Diagnostics with ATIs Enhanced Diagnostic Tool (EDT)

Tue, 19 Mar 2024 15:44:35 -0400

Enhanced Diagnostic Tool (EDT)

As automotive technology continues to evolve, ATI remains steadfast in its commitment to delivering cutting-edge solutions that drive excellence in control system calibration.

As such, ATI's Enhanced Diagnostic Tool (EDT) is a game-changer in the realm of diagnostic calibration and acquisition, which propels the capabilities of its renowned VISION platform to new heights. EDT introduces a host of features that augment VISION's diagnostic prowess, most notably incorporating ISO-14229 services.

Unveiling the Power of EDT:

EDT enhances VISION's capabilities by seamlessly integrating support for legislated OBD functionality and advanced features found in the World-Wide Harmonized On-Board Diagnostics (WWH-OBD) standard, including full control of DTCs, PIDs and DIDs.

The Interconnection of Diagnostic Components:

To explain further, vehicle diagnostics hinge on several key components: Diagnostic Trouble Codes (DTCs), Parameter Identifiers (PIDs), and Data Identifiers (DIDs). Each plays a pivotal role in diagnosing and monitoring vehicle systems.

DTCs: These codes, triggered by the vehicle's OBD system, signify detected malfunctions or abnormalities within specific systems or components. Standardized across the automotive industry, DTCs offer technicians valuable insights for diagnosis and repair.

PIDs: Representing specific parameters or data points retrievable from the vehicle's onboard computer system, PIDs encompass crucial information such as engine RPM, coolant temperature, and more. Accessible via numerical codes, PIDs aid in monitoring, analysis, and troubleshooting.

DIDs: Similar to PIDs, DIDs provide access to specific data sets defined by vehicle manufacturers or standardization organizations. Offering detailed information about vehicle systems, DIDs are instrumental in advanced diagnostic procedures requiring comprehensive data access.

The Diagnostic Process Unveiled:

The diagnostic process unfolds with UDS, furnishing a standardized protocol for diagnostic communication. Each service, delineated by a unique numerical or hexadecimal code, serves a distinct purpose in diagnosing, testing, configuring, or maintaining vehicle systems.

For instance, service 0x2A within the UDS protocol corresponds to reading DTCs stored in the ECU's memory—a critical step in identifying potential issues within the vehicle.

Understanding the Core Function of EDT:

At its core EDT comprises a set of functions accessible via an API, facilitating the exchange and calibration of diagnostic data with electronic control unit (ECU) nodes through the diagnostic port. The device operates using ISO 15765 as its Controller Area Network (CAN) protocol, enabling seamless access to OBD-II and WWH-OBD services via Unified Diagnostic Services (UDS). This realizes three key benefits:

Productivity – EDT enables all diagnostics calibration and validation activity to remain within the VISION eco-system, removing the need to juggle with 3rd party software.
Efficiency – EDT makes it easier to configure diagnostics activity on production PCM’s.

Versatility – EDT’s customization features enable clients to configure diagnostics functions to suit rapidly adapting workflows.

In Detail - How does EDT boost VISION’s Diagnostics Capabilities?

EDT’s great advantage is that it combines measurement, calibration AND diagnostics data into a single time-aligned recording and offers full integration with VISION’s Data Item Manager, screen controls, and recorders. Furthermore, these recordings can be triggered based on diagnostics data.

The EDT platform offers a user-friendly set up of UDS data collection via CAN from a production ECU, while enabling the auto-detection of multiple ECU nodes. The toolkit also offers user configurable manual overrides for non-standard Req/Resp ID pairings, plus the ability to read live PIDs, INFOTYPEs, Monitors, and request freeze-frame data.

EDT users can request and clear DTCs (Diagnostic Trouble Codes) with trigger event expressions and generate ‘all-modes’ snapshot reports. In addition, EDT easily enables the access of OEM/user defined UDS DIDs (service 0x22) from ODX and MDX files and supports UDS Periodic Transmission (service 0x2A) recording DIDs.

Via VISION’s COM API, EDT offers extensive service and sub-function access through XML-based Diagnostics, backed with scripting capabilities that enable powerful customize workflows – for example UDS fault insertion.

Finally, EDT includes rapid packet 0x2A Periodic Transmission service support that enhances VISION’s potential use as an end of line / field service diagnostics tool.

Conclusion:

ATI's Enhanced Diagnostic Tool, coupled with VISION's robust diagnostic capabilities, epitomizes innovation in automotive diagnostics. By harnessing the full power and potential of UDS, DTCs, PIDs, and DIDs, technicians gain unparalleled control and insights into vehicle systems, empowering efficient diagnostics code product development and troubleshooting.

VISION 7.0

Mon, 26 Feb 2024 13:00:00 -0500

ATI Launches VISION 7.0

ATI is thrilled to announce the launch of VISION 7.0, the latest iteration of its software suite. Engineered to meet the evolving needs of automotive professionals, VISION 7.0 introduces features and enhancements that improve the calibration and diagnostic experience to unprecedented levels of sophistication and efficiency.

Key Highlights of VISION 7.0:

64-Bit Application

Increased addressable memory of a 64-bit architecture theoretically addresses 18.4 million terabytes (TB) of RAM, compared to the previous 32-bit system which is limited to just 4 GB. This is crucial for applications that require extensive memory, such as video editing, 3D rendering, and large databases.

Advanced Device Memory (ADM) viewer

The Device Memory Tab features enhanced capabilities for memory display, region usage visualization, and editing. Users benefit from improved memory management with convenient copy/paste and undo/redo functionalities, along with a powerful data item search feature. ECU code decoding is seamlessly integrated with appropriate RP toolkits for comprehensive diagnostics.

Custom Screen Controls (CSC)

VISION with user created CSC are linked via scripts written in languages such as C#, Python, VBScript (Excel), or MATLAB M-scripts. VISION 7.0 includes several CSC demos to inspire creativity and customization.

GPS Location Recording and Visualizer

Virtual location data items that can be mapped to various location sources, including Windows Location Services, GPS units, CAN GPS units, and vehicle network GPS information. Users can effortlessly map GPS coordinates post-recording and leverage the Map Visualizer with trigger and cursor markers for precise analysis.

Improved Flash Support/Scripting

With an updated 64-bit Flash interface, VISION 7.0 delivers seamless compatibility and enhanced performance. The software supports both 32-bit and 64-bit Seed&Key DLLs and introduces API support for controlling automated flashing, streamlining workflows, and boosting productivity.

VISION 7.0 represents a significant milestone in ATI's ongoing commitment to delivering innovative solutions that empower engineers to achieve exceptional results. With its comprehensive suite of features and unparalleled performance, VISION 7.0 sets a new standard for measurement, calibration, and diagnostics software.

Website:

https://www.accuratetechnologies.com/Products/VISIONSoftware

Datasheet:

https://www.accuratetechnologies.com/PDFs/VISION%20Software%20EN.pdf