battery voltage
Think of it as how much power the battery can give. When the car is running, it should be a bit higher than when it's off.
Battery voltage measures the electrical potential of a car’s battery; normal resting voltage is around 12.5 volts, and it rises to about 14 volts when the alternator charges.
Hear It Discussed
"And it says something like starter malfunction or battery voltage that then that would be turning the check engine light on, but scanning it is going to be the first, first thing."
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"370Z would usually tell me at all times what my battery voltage was in a prime location on the center of the dashboard. It would also allow me to switch to a digital MPG readout"
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"at battery voltage. Right, you can see that on a scan tool."
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