INTRODUCTION TO HYBRID ELECTRIC VEHICLE SYSTEMS Hybrid Electric Vehicle (HEV) models currently populating the vehicle electrification landscape indicate their dominance in the market. Although electric, plug-in, and fuel cell vehicles are making inroads in the market, the HEV stands as the market leader in adoption, and manufacturers have no plans on diminishing HEV production. HEV powertrain operation is totally different from the traditional vehicle. It is essential to understand the various operating modes and how failure modes in the hybrid system affect its operation. Scan tool data, animations, and detailed graphics are used for teaching how these systems operate and how different diagnostic approaches are required. At the end of this course, participants will have a firm knowledge of hybrid system operation based on the different powertrain configurations and how scan tool data and diagnostics differ from traditional vehicles. Ford, GM, Honda, Hyundai, Lexus, Toyota hybrid electric vehicle products are featured. sae.org/learn/content/pd291809/ LITHIUM ION FAMILY BATTERY SYSTEMS The Lithium Ion family of technologies are the primary technology for plug-in and electric vehicles but, it is also being found in hybrid products. The many different Lithium technologies will force you to become familiar, so you will understand how it impacts diagnostics and repair. Each family can have a different discharging voltage characteristic which effects vehicle and Scan Tool diagnostics. This five-part series will provide the technician with the necessary information on all the Lithium technologies, cell balancing systems, failure modes, diagnostics, and how these battery packs can be repaired instead of replaced. At the end of this course, you will be able to identify the various Lithium formats, aspects cell aging, rebuilding concepts, and understand how to use Scan Tool PIDs to help analyze, diagnose and repair the battery pack. GM, Honda, Hyundai, Nissan, Tesla, Toyota electric and hybrid vehicle products are featured. sae.org/learn/content/pd291810/ NICKEL METAL HYDRIDE (NIMH) HYBRID BATTERY SYSTEMS NiMH battery systems continue primary battery technology in hybrid vehicles and have been since the 2000 model year. This course will concentrate on the NiMH technology, how it performs as it ages, how it can affect vehicle performance and fuel economy, and how to test it by using a scan tool. NiMH battery systems continue to be used in Hybrid Electric Vehicle (HEV) applications and provide an excellent foundation in high voltage battery pack systems. This course will include NiMH battery cell operation, cell/module failure modes, diagnostic testing methods, battery hardware components, battery stress testing techniques – and how some of these areas differ from Lithium systems. At the end of this five-part series, you will be able to identify the condition of a battery pack, servicing instead of replacing it, and using specific testing methods outlined in this course. Ford, GM, Honda, Lexus, Toyota hybrid electric vehicle products are featured in this course. sae.org/learn/content/pd291811/
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