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High-voltage diagnostics

By autotech-nath on March 25, 2020

Electrification provides adaptable workshops with a significant business opportunity, says Delphi Technologies. Here, they discuss how their DS tools and software can help independent workshops prosper as more vehicles are electrified.

As the electronic and computer content of vehicles continues to increase, competitive servicing and repairs can often only be delivered by workshops with access to diagnostic and test equipment of a standard usually reserved for OE dealerships.

Even traditionally mechanical systems such as fuel, braking and air conditioning are increasingly integrated into an electronic control system. With the rapid growth of Hybrid and Electric Vehicles (HEVs) in the marketplace, the need for sophisticated and accurate diagnostic tools is becoming even more urgent.

“HEV technology is not just about some distant future,” says Julian Goulding, Delphi Technologies UK marketing manager. “First-generation cars, such as the Toyota Prius and Nissan Leaf, have been around for many years. The UK HEV parc has grown at a significant rate, especially in recent years, and it is set to enjoy even faster growth as adoption of the technology is becoming more widespread.”

“As a provider of pioneering propulsion technologies to the world’s leading vehicle manufacturers, our engineers have unique access to the very latest hybrid and electric vehicles. This means we know precisely how these vehicles work, and importantly, what it takes to get them back on the road when they don’t. Armed with this knowledge we can ensure the aftermarket has the right parts, tools and training to service them from the moment they leave the dealership,” continues Goulding.

“Our DS diagnostic tool is just one of many examples of how we’re doing this. The intuitive, feature packed tool can read fault codes and view live data for key modules such as the inverter, charger, motor and battery management system, and perform special functions, across a wide range of vehicles – covering more than 60 hybrid and electric vehicle models and over 85 per cent of the mainstream electric vehicle parc. This can provide workshops with a vital, cost-effective competitive advantage other rival independents, making it a must-have for anyone looking to grow their business.”

DS450 being used on a NISSAN LEAF


As an example, when presented with a plug-in hybrid such as the best selling Mitsubishi Outlander PHEV, the DS tool can be used for high voltage (HV) circuit troubleshooting, checking HV battery capacity, HV cell voltage calibration, HV battery or BMS replacement and resetting the brake stroke simulator. On a full EV, such as the Nissan Leaf, it can check HV battery capacity and calibrate the battery after replacement, calibrate the motor after replacement or calibrate the brake stroke simulator.

Other functions on other specific vehicles include calibrating clutch transfer torque between HV motor and clutch, coding the hybrid control unit or re-activating the HV controllers after an accident.

Integrated within the DS diagnostic software, and available as a stand-alone package, its all-makes vehicle technical information combines essential maintenance and repair data with over 100,000 detailed technical drawings, manuals and procedures. From the registration number, users can check known recalls and technical service bulletins for HV systems. It also shows how to disable them on most vehicles, in order to work safely and efficiently.

Delphi Technologies believes that, as a pioneer in many of the latest propulsion technologies, a trusted OEM partner and an established provider of diagnostic systems, it can help independent workshops meet the challenges of tomorrow’s vehicles. “Ten years from now, your workshop could be even busier than today but populated by a much greater variety of vehicles, provided you are ready for them,” concludes Goulding. “Electrification is an opportunity for the aftermarket to grow and for adaptable independents willing to embrace change to prosper.”



About Autotechnician
Autotechnician is a magazine published nine times a year, delivering essential information to independent garage owners and technicians in the UK. Delivered both digitally and in print, autotechnician provides readers with technical, training, business advice, product and news, allowing our readers to keep up to date with information they need to run and work within a modern workshop.
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