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Bad Connections PHEV and BEV Won’t Charge [Quick Quiz]
May 30, 2023
How well do you know your PHEV and BEV J1772 EVSE Diagnostics? Take this quick quiz and see!
Bad Connections PHEV and BEV J1772 EVSE Diagnostics
Tech “A” says an electrified vehicle may not have a high voltage service / disconnect plug to allow for a power down when working on high voltage components. Tech “B” says some vehicles allow for a diagnostic tool to perform high voltage power downs. Who is correct?
Tech A
Tech B
Both
Neither
CAT-III certified DMM should be used whenever measuring high-voltage circuits or components. The CAT III rating relates to ________.
Ability to withstand high 12-volt current
Ability to withstand impulse / transient voltage
Resistance to static electricity
Both a and b
Any of the following might shut off the high voltage to components and circuits, except ________.
Opening the driver’s door
Turning the ignition off
Disconnecting the 12-volt auxiliary battery
Removing the main fuse, relay, or HV plug
Technician A says that a BEV with a displayed range of 25 miles should return to 100 % when plugged into a J1772 Level 1 charger for within 2-hours of charging. Technician B says that a DC fast charger (CCS) will take most BEVs around 1 hour to bring it’s range up to 100 %. Which technician is correct?
Technician A only
Technician B only
Both technicians A and B
Neither technician A or B
Most PHEVs will start the I.C.E. (Internal Combustion Engine) when the IPC (cluster) says “Ready” and the accelerator pedal is pushed to the floor (vehicle in Park).
True
False
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