Glossary “battery charging” Definition:
The act of charging a battery.
b
battery cell
Glossary “battery cell” Definition:
That part of a battery made from two dissimilar metals and an acid solution. A cell stores chemical energy for use later as electrical energy.
BAT+
Glossary “BAT+” Definition:
Positive battery terminal.
BAT-
Glossary “BAT-” Definition:
Negative battery terminal.
bathtub
Glossary “bathtub” Definition:
1). Auto body design that resembles an inverted bath tub. 2). A combustion chamber in an engine with an area that resembles an inverted bath tub with its valves seated at its based.
BATTEMP
Glossary “BATTEMP” Definition:
Battery Temperature
battery (BAT)
Glossary “battery (BAT)” Definition:
A device for storing energy in chemical form so it can be released as electricity. It provides current for the starting system and current to all other electrical devices when the engine is not running.
battery acid
Glossary “battery acid” Definition:
An electrolyte used in a battery; a mixture of water (H2O) and sulfuric acid (H2SO4).
battery capacity
Glossary “battery capacity” Definition:
The energy output of a battery measured in amp/hours.
baseline
Glossary “baseline” Definition:
Repeatable drive cycle used to obtain diagnostic information from a vehicle that failed an I/M test or other driveability concerns. The information will be used to diagnose the vehicle. It can be used to compare information obtained on a verification drive to determine if the vehicle has been successfully been repaired.
bass compensation
Glossary “bass compensation” Definition:
A circuit in an audio amplifier that increases the output of low-end audio frequencies at low listening levels to compensate for the human ear’s loss of sensitivity under these conditions.
BAT
Glossary “BAT” Definition:
Acronym form of BATtery.
base metal
Glossary “base metal” Definition:
1). The largest proportion of metal present in an alloy. 2). A metal that readily oxidizes, or that dissolves to form ions. 3). The metal or alloy that is welded, brazed, soldered, or cut. 4). After welding, that part of the metal that was not melted.
base timing
Glossary “base timing” Definition:
Base ignition timing setting, before or without PCM control.
base voltage
Glossary “base voltage” Definition:
1). Beginning or starting voltage level of a circuit. 2). Voltage applied at the base of a transistor.
basic fuel metering
Glossary “basic fuel metering” Definition:
The amount of fuel delivered to the injectors in a continuous-flow, fuel-injection system. Based on airflow sensor readings of engine load and rpm.
basic fuel quanity
Glossary “basic fuel quanity” Definition:
Amount of fuel delivered to the injectors, in a pulsed, fuel-injection system, based on airflow sensor readings of engine load and rpm.
base material
Glossary “base material” Definition:
Material to be welded, usually metal or plastic.
base gauges
Glossary “base gauges” Definition:
First two body gauges hung near the center of the vehicle, usually at torque box areas when measuring for major damage.
base idle
Glossary “base idle” Definition:
1). Manufacturers recommenended idle speed. 2). The RPM that the IAC solenoid attemps to maintain. 3). Idle RPM determined by the throttle lever hardset on the throttle body.