december2022 - A6
HYBRID DIAGNOSTICS
Common diagnostics and trends
in hybrid and electric vehicles
Attendees of ASE's " NAPA - Hybrid and Electric Vehicle Update " webinar
learned about high-voltage tools, trends, and common diagnostic issues.
By Kayla Oschmann
W
hat we will see in vehicles
14 to 20 years from now will
be completely different than
what we are seeing now. That is what
technicians and shop owners heard
during a National Institute for Automotive
Service Excellence (ASE) webinar.
" Technicians need to be up to date and
onboard to work on electric vehicles (EVs), "
said Jason Gloria, ASE Master Technician
and NAPA Autotech Instructor. " Electric
vehicles are our future, and they're not
going away. "
Gloria hosted ASE's webinar entitled
" NAPA - Hybrid and Electric Vehicle
Update " and identified several key topics for
techs and shop owners to beware of when
working on hybrid and electric vehicles.
SAFETY FIRST
Although manufacturers have built-in
safety features within the high-voltage
system, technicians still need to take the
right steps to remain safe.
First and foremost is using the right
tools. Special tools include a CAT III meter
and leads as well as high-voltage rubber
gloves and protective outer leather gloves.
It's important to self-check the rubber
gloves before every use. To do so, Gloria
recommends filling the gloves with air,
then roll up the cuffs to check for leaks.
Secondly, when working on EVs, one
must first disable the high-voltage system.
Every EV will have service disconnects.
When a battery service disconnect
is pulled out, a sensor will shut down
the relays that connect the battery to the
6 DECEMBER 2022 VehicleServicePros.com
vehicle, disconnecting the power from the
battery. Since there's still power in the battery,
technicians still need to be careful
when working.
It's only safe to probe the high voltage
circuits after the service disconnect is
opened, the capacitors have bled down,
and DMM confirms 0V in the system,
Gloria notes. Once confirmed, it's then
safe to continue working with high-voltage
gloves. Gloves are always needed when
working inside the battery assembly until
voltage levels are safe (12V or less).
THE FUTURE OF EVS
Tesla may not have come out with the first
electric vehicle, but they are the ones who
" made electric vehicles fun. "
" It's the whole reason we are where
we are, " Gloria noted. " Without Tesla, all
these manufacturers wouldn't be making
electric vehicles. "
The original Tesla, the Model S, was
the one that made an impact (not the
Roadster). The Model S consisted of 16
battery modules with each module holding
444 Panasonic 18,650 battery cells, similar
to those found in flashlights.
Now, Tesla's Model Y is fitted with
4680 battery cells. They also created a tabless
design to reduce electron flow distance
- making it very efficient and eliminating
thermal issues.
When it comes to Ford, the manufacturer
took the No. 1 selling vehicle
in the U.S. - the F-150 truck - and
made it an all-electric truck. By going
electric, they are taking people to the
next step to adopting electric vehicles,
Gloria said. It can do everything the
gasoline-powered truck can do, plus it
can power a house for three days from
a full charge.
Most vehicle manufacturers have
plans in effect to eliminate ICE vehicles
as soon as 2035, if not earlier.
Same with state and federal legislation.
There are already 12 states that have signed
legislation in place to ban the sale of new
ICE vehicles by 2035.
Photo Courtesy of NAPA
http://www.VehicleServicePros.com
december2022
Table of Contents for the Digital Edition of december2022
Editor's Note: The technician shortage is getting real
Sneak Peek
Most Wanted
Electric vehicles - coming to a shop near you
In Focus
Diagnostic Tech: Using digital tools to reduce the friction of running a shop
Show Me Your Truck: 'Look at that Bad Larry!'
Go Sell Something: Writing a sales pitch
Driving Sales
Tales From the Road: An entrepreneurial spirit
SEMA/AAPEX Wrap-up
Diagnosing Progress
Common diagnostics and trends in hybrid and electric vehicles
Diagnosing faults on modern vehicles
The real cause of P0420/P0430 DTCs
How diagnostic tools cut through the ADAS confusion
When the tools become the tutor
Diagnostic products
december2022 - 1
december2022 - 2
december2022 - 3
december2022 - Editor's Note: The technician shortage is getting real
december2022 - 5
december2022 - Sneak Peek
december2022 - 7
december2022 - 8
december2022 - 9
december2022 - 10
december2022 - 11
december2022 - Most Wanted
december2022 - 13
december2022 - Electric vehicles - coming to a shop near you
december2022 - 15
december2022 - 16
december2022 - 17
december2022 - 18
december2022 - 19
december2022 - 20
december2022 - 21
december2022 - In Focus
december2022 - 23
december2022 - 24
december2022 - 25
december2022 - Diagnostic Tech: Using digital tools to reduce the friction of running a shop
december2022 - 27
december2022 - 28
december2022 - 29
december2022 - Show Me Your Truck: 'Look at that Bad Larry!'
december2022 - 31
december2022 - Go Sell Something: Writing a sales pitch
december2022 - 33
december2022 - 34
december2022 - Driving Sales
december2022 - 36
december2022 - 37
december2022 - Tales From the Road: An entrepreneurial spirit
december2022 - 39
december2022 - SEMA/AAPEX Wrap-up
december2022 - 41
december2022 - 42
december2022 - 43
december2022 - 44
december2022 - A1
december2022 - A2
december2022 - A3
december2022 - Diagnosing Progress
december2022 - A5
december2022 - Common diagnostics and trends in hybrid and electric vehicles
december2022 - A7
december2022 - Diagnosing faults on modern vehicles
december2022 - A9
december2022 - The real cause of P0420/P0430 DTCs
december2022 - A11
december2022 - How diagnostic tools cut through the ADAS confusion
december2022 - A13
december2022 - A14
december2022 - A15
december2022 - When the tools become the tutor
december2022 - A17
december2022 - A18
december2022 - A19
december2022 - A20
december2022 - Diagnostic products
december2022 - A22
december2022 - A23
december2022 - A24
https://www.nxtbook.com/endeavor/professionaldistributor/diagnosticsupplement-1223
https://www.nxtbook.com/endeavor/professionaldistributor/december2023
https://www.nxtbook.com/endeavor/professionaldistributor/october2023
https://www.nxtbook.com/endeavor/professionaldistributor/september2023
https://www.nxtbook.com/endeavor/professionaldistributor/august2023
https://www.nxtbook.com/endeavor/professionaldistributor/july2023
https://www.nxtbook.com/endeavor/professionaldistributor/2023scantoolspecguide
https://www.nxtbook.com/endeavor/professionaldistributor/june2023
https://www.nxtbook.com/endeavor/professionaldistributor/may2023
https://www.nxtbook.com/endeavor/professionaldistributor/april2023
https://www.nxtbook.com/endeavor/professionaldistributor/march2023
https://www.nxtbook.com/endeavor/professionaldistributor/february2023
https://www.nxtbook.com/endeavor/professionaldistributor/december2022
https://www.nxtbook.com/endeavor/professionaldistributor/october2022
https://www.nxtbook.com/endeavor/professionaldistributor/september2022
https://www.nxtbook.com/endeavor/professionaldistributor/august2022
https://www.nxtbook.com/endeavor/professionaldistributor/july2022
https://www.nxtbook.com/endeavor/professionaldistributor/june2022
https://www.nxtbook.com/endeavor/professionaldistributor/may2022
https://www.nxtbook.com/endeavor/professionaldistributor/april2022
https://www.nxtbook.com/endeavor/professionaldistributor/march2022
https://www.nxtbook.com/endeavor/professionaldistributor/february2022
https://www.nxtbook.com/endeavor/professionaldistributor/december2021
https://www.nxtbook.com/endeavor/professionaldistributor/october2021
https://www.nxtbook.com/endeavor/professionaldistributor/september2021
https://www.nxtbook.com/endeavor/professionaldistributor/august2021
https://www.nxtbook.com/endeavor/professionaldistributor/professional-distributor-july-2021
https://www.nxtbook.com/endeavor/professionaldistributor/june2021
https://www.nxtbook.com/endeavor/professionaldistributor/may2021
https://www.nxtbook.com/endeavor/professionaldistributor/professional_distributor_april_2021
https://www.nxtbook.com/endeavor/professionaldistributor/march2021
https://www.nxtbook.com/endeavor/professionaldistributor/february2021
https://www.nxtbook.com/endeavor/professionaldistributor/Diagnostic_Process_December_2020
https://www.nxtbook.com/endeavor/professionaldistributor/Professional_Distributor_December_2020
https://www.nxtbook.com/endeavor/professionaldistributor/october2020
https://www.nxtbook.com/endeavor/professionaldistributor/september2020
https://www.nxtbook.com/endeavor/professionaldistributor/collisionrepairsupplement-0820
https://www.nxtbook.com/endeavor/professionaldistributor/august2020
https://www.nxtbook.com/endeavor/professionaldistributor/july2020
https://www.nxtbook.com/endeavor/professionaldistributor/scantoolsupplement
https://www.nxtbook.com/endeavor/professionaldistributor/june2020
https://www.nxtbook.com/endeavor/professionaldistributor/may2020
https://www.nxtbook.com/endeavor/professionaldistributor/april2020
https://www.nxtbook.com/endeavor/professionaldistributor/march2020
https://www.nxtbook.com/endeavor/professionaldistributor/Hand_Tool_Supplement_0220
https://www.nxtbook.com/endeavor/professionaldistributor/february2020
https://www.nxtbook.com/endeavor/professionaldistributor/december2019
https://www.nxtbook.com/endeavor/professionaldistributor/heavydutydiagnosticsstudy2019
https://www.nxtbook.com/endeavor/professionaldistributor/october2019
https://www.nxtbook.com/endeavor/professionaldistributor/september2019
https://www.nxtbook.com/endeavor/professionaldistributor/august2019
https://www.nxtbook.com/endeavor/professionaldistributor/july2019
https://www.nxtbook.com/endeavor/professionaldistributor/june2019
https://www.nxtbook.com/endeavor/professionaldistributor/scantoolspecguide-june2019
https://www.nxtbook.com/endeavor/professionaldistributor/may2019
https://www.nxtbook.com/endeavor/professionaldistributor/april2019
https://www.nxtbook.com/endeavor/professionaldistributor/march2019
https://www.nxtbook.com/endeavor/professionaldistributor/february2019
https://www.nxtbookmedia.com