Question 1

Can Bus

Accepted Answer

A communication protocol used in vehicles to enable data exchange between electronic control units.

Question 2

J1939

Accepted Answer

A standard protocol used in heavy-duty vehicles for communication between ECUs.

Question 3

Multimeter

Accepted Answer

A measuring instrument used to measure electrical quantities like voltage, current, and resistance.

Question 4

Voltage Drop

Accepted Answer

The decrease in voltage across a circuit or component due to resistance.

Question 5

Short Circuit

Accepted Answer

An unintended connection between two points in an electrical circuit, resulting in excessive current flow.

Question 6

Load Test

Accepted Answer

A test performed to assess the performance and capacity of a battery or electrical system under load.

Question 7

SAE

Accepted Answer

Society of Automotive Engineers, an organization that sets standards for the automotive industry.

Question 8

Electrical Grounding

Accepted Answer

Connecting electrical circuits or components to the ground to prevent electrical shock and ensure safety.

Question 9

Circuit Breaker

Accepted Answer

A protective device that automatically interrupts the flow of current in an electrical circuit when a fault occurs.

Question 10

Overload Protection

Accepted Answer

Measures and prevents excessive current flow that can damage electrical components.

Question 11

Wiring Diagram

Accepted Answer

A visual representation of the electrical circuitry in a vehicle, showing the interconnections between components.

Question 12

Relay

Accepted Answer

An electrically operated switch that controls the flow of current in a circuit.

Question 13

Diode

Accepted Answer

A semiconductor device that allows current to flow in only one direction.

Question 14

Voltage Regulator

Accepted Answer

A device that maintains a steady output voltage despite changes in input voltage or load.

Question 15

PWM

Accepted Answer

Pulse Width Modulation, a technique used to control the speed of motors and the brightness of lights.

Question 16

ECM

Accepted Answer

Engine Control Module, a computer that manages and controls various functions of the engine.

Question 17

ABS

Accepted Answer

Anti-lock Braking System, a safety system that prevents wheel lock-up during braking.

Question 18

CAN

Accepted Answer

Controller Area Network, a communication bus used in vehicles for interconnecting ECUs.

Question 19

Solenoid

Accepted Answer

An electromechanical device that converts electrical energy into linear motion.

Question 20

Crimping Tool

Accepted Answer

A tool used to attach connectors to wires by compressing them together.

Question 21

Electrical Load

Accepted Answer

Any device or component that consumes electrical power in a circuit.

Question 22

Ground Fault

Accepted Answer

An unintended connection between an electrical conductor and ground, resulting in a current leakage.

Question 23

Voltage Spike

Accepted Answer

A sudden, brief increase in voltage that can damage electronic components.

Question 24

Ohm's Law

Accepted Answer

A fundamental law in electrical engineering that relates voltage, current, and resistance.

Question 25

Continuity Test

Accepted Answer

A test performed to check if there is a complete path for current flow in a circuit.

Question 26

ECU

Accepted Answer

Electronic Control Unit, a microprocessor-based device that controls various vehicle systems.

Question 27

Battery Terminal

Accepted Answer

The connection point on a battery for attaching electrical cables or terminals.

Question 28

Fuse

Accepted Answer

A protective device that breaks the circuit when excessive current flows, preventing damage to components.

Question 29

Wiring Harness

Accepted Answer

A collection of wires, connectors, and terminals bundled together for ease of installation and protection.

Question 30

Voltage Regulator

Accepted Answer

A device that maintains a steady output voltage despite changes in input voltage or load.

Question 31

Series Circuit

Accepted Answer

An electrical circuit in which the current has only one path to follow.

Question 32

Parallel Circuit

Accepted Answer

An electrical circuit in which the current has multiple paths to follow.

Question 33

ECM Calibration

Accepted Answer

The process of adjusting the parameters and settings of an ECM to optimize engine performance.

Question 34

Load Balancing

Accepted Answer

Distributing the current flow evenly across multiple circuits or components.

Question 35

CAN Data Link

Accepted Answer

The physical connection or wiring used for transmitting data on a CAN bus.

Question 36

Ground Strap

Accepted Answer

A conductor used to connect a component or metal part to the ground for electrical safety.

Question 37

Voltage Divider

Accepted Answer

A circuit that divides a voltage into smaller voltages using resistors.

Question 38

Oscilloscope

Accepted Answer

A device used to visualize and measure electrical signals in the form of waveforms.

Question 39

Inverter

Accepted Answer

A device that converts DC (direct current) power into AC (alternating current) power.

Question 40

Terminal Connector

Accepted Answer

A device used to join wires to electrical terminals for secure and reliable connections.

Question 41

Troubleshooting

Accepted Answer

The process of identifying and resolving problems or malfunctions in electrical systems.

Question 42

Ground Fault Circuit Interrupter (GFCI)

Accepted Answer

A safety device that detects imbalances in current flow and quickly shuts off power to prevent electrical shocks.

Question 43

CAN Termination

Accepted Answer

The addition of resistors at the ends of a CAN bus to minimize signal reflections and ensure proper communication.

Question 44

Soldering Iron

Accepted Answer

A tool used to melt solder and create a secure electrical connection between components.

Question 45

Inductive Load

Accepted Answer

A load that requires a magnetic field for operation, such as an electric motor or solenoid.

Question 46

Capacitive Load

Accepted Answer

A load that requires the storage and release of electrical energy, such as a capacitor or electronic display.

Question 47

Ground Isolation

Accepted Answer

The process of electrically separating a component or circuit from the common ground to prevent interference or ground loops.

Question 48

Transient Voltage

Accepted Answer

A sudden and brief voltage surge or spike in an electrical system.

Question 49

Ground Fault Locator

Accepted Answer

A device used to identify and locate ground faults in electrical circuits or wiring.

Question 50

Insulation Resistance

Accepted Answer

The measure of a material's ability to resist the flow of current through it, indicating its effectiveness as an insulator.

Question 51

Pulse Generator

Accepted Answer

A device that produces electrical pulses of various frequencies and durations for testing and troubleshooting purposes.

Question 52

Power Distribution Module (PDM)

Accepted Answer

A centralized electrical distribution system that controls and protects multiple circuits in a vehicle.

Question 53

Serial Data Communication

Accepted Answer

The transmission of digital data between electronic devices using a sequential, bit-by-bit method.

Question 54

Magnetic Pickup

Accepted Answer

A sensor that detects changes in a magnetic field and generates electrical signals, commonly used for engine speed sensing.

Question 55

Load Dump

Accepted Answer

A sudden voltage surge or spike that occurs when a heavy electrical load is disconnected from a vehicle's electrical system.

Question 56

Torque Converter Lockup

Accepted Answer

A mechanism that mechanically connects the engine's torque converter to the transmission, reducing slippage for improved efficiency.

Question 57

In-Circuit Testing

Accepted Answer

The process of testing electronic components or circuits while they are still connected within the system, without disassembly.

Question 58

EMI

Accepted Answer

Electromagnetic Interference, unwanted electromagnetic radiation that can disrupt the operation of electronic devices.

Question 59

Vehicle Electrical Architecture

Accepted Answer

The overall design and organization of electrical systems and components within a vehicle.

ASE Truck E2 Electrical/Electronic Systems Flashcards