engine management system (EMS) and how it uses the elements within it, including EGTS and MAF sensors, to keep the engine operation to its optimum. They then highlight the DENSO EMS product range and its OE expertise before turning their attention to the technical details that workshops really need to understand to ensure the service and repair work they undertake is completed successfully. “Included in this technical matter are important subjects, such as product characteristics and design features, failures and symptoms, and removal and installation, as well as technical benefits and sensor location within various applications. Although majoring on the technical aspects of these sensors, they also contain useful information for wholesalers when it comes to reasons for choosing to supply DENSO replacement sensors to their customers, for example.” To obtain the leaflets, visit: www.denso-am.eu/downloads Secure gateways Access has become an increasingly fraught issue, as Martin Brown, Director at Repairify Innovations, observed: “When a vehicle is brought into a workshop for repair, it is essential for technicians to access all parts of the vehicle to diagnose and fix the issue. In case the problem lies within the vehicle's ECUs, the technician will require access to them. However, there are secure gateways in place to prevent untrained individuals or DIY technicians from performing vehicle diagnostics that could cause the vehicle to become unsafe. These systems are designed by manufacturers to prevent non-authorised aftermarket tools from accessing simple diagnostic repairs that could have been completed previously. The reason behind this is that it’s important safety systems must be serviced with the correct equipment, and it enables dealers to maintain control over the information that can be accessed from the software and how it is used. “Manufacturers are now making secure gateways harder to access due to increased demand for protection against interference with software. As a result, technicians are limited in their ability to diagnose and repair vehicles, leading to longer off-road periods. Dealers are also becoming more reluctant to release software for relevant diagnostics, which affects workshops' revenue streams and drives more work to main dealers. “For those in the repairing industry, there is a highly effective solution available. Repairify's diagnostic tools are now more relevant and accessible than ever before. These tools provide garages and bodyshops with access to every OEM manufacturer diagnostic tool and a fully trained OEM technician who can assist remotely without the need for them to purchase the tools themselves.” Martin added: “These products have proved their worth in identifying faults that are undetectable by aftermarket tools that lack access to these modules, thereby protecting the repairers' businesses even during pre-scans.” Ever-evolving landscape Explaining how to improve profitability through Snap-on’s Pre-Scan and Post-Scan technologies, Snap-on Diagnostic Trainer Keith Wray said: “In the ever-evolving landscape of automotive technology, it's imperative to delve into the past to truly appreciate the ground-breaking innovations that have shaped the industry. Before the introduction of Pre-Scan, Post-Scan, and the revolutionary Snap-on technologies, the automotive world was navigating uncharted territories. “As the automotive landscape evolved through the 1980s and 1990s, the need for comprehensive Pre-Scan and PostScan procedures became evident. The absence of these practices often led technicians down the wrong path, wasting precious time, resources and often replacement of unnecessary parts.” Game-changing technologies Moving into the beginnings of today’s world, Keith observed: “Enter the game-changing technologies introduced in 2014 – with the Snap-on Pre-Scan and PostScan functionality. Technicians and workshops embraced these procedures, transforming the diagnostic landscape. Insurance companies recognised their impact, with many requiring pre and post scans to validate the accuracy of repairs. Simultaneously, the Snap-on Diagnostic Health Scan emerged as a customer-friendly addition, adding a level of professionalism to detail issues before the repair, and verifying the repair has resolved the issue. Performing a diagnostic health scan will give you and your customer peace of mind. Many of the systems scanned do not turn on a light or warn the driver, so, this report will uncover these unseen issues. “The printout of the Diagnostic Health Scan Reports creates a level of professionalism that greatly adds to the credibility of the garage and its technicians. Of course, that also goes a long way to justify the diagnostic charge. Before the seamless connectivity was offered by the Snapon Cloud, technicians grappled with manual processes. The ability to store, email, or text diagnostic reports transformed the way information was shared with vehicle owners, enhancing transparency and customer satisfaction. Keith added: “Today, the Pre-Scan and Post-Scan workflow, coupled with the power of Snap-on technologies, has become indispensable for automotive technicians. The journey before these advancements reminds us of the innovative spirit that has driven the automotive industry forward, shaping the way we diagnose and repair vehicles.” 38 AFTERMARKET MARCH 2024 VEHICLE ELECTRONICS AND ENGINE MANAGEMENT www.aftermarketonline.net Above: Plugging in Hella Gutmann’s mega macs X
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