Exam 8: Introduction to the Body Computerbody Computer System Diagnosis

Logic gates are the thousands of field effect transistors (FETs) incorporated into the computer ____.

____ diagnostic capabilities may include the ability to determine a short circuit or open circuit condition.

____ are the output of the self-diagnostics program in the form of alpha/numeric codes that indicate faulty circuits or components.

The brain of the computer is the central processing unit.

Actuators are devices that perform work commanded by a computer.

High-side drivers complete the actuator control circuit to ground.

Name four forms of actuators.

Hard code failures are those that were detected the last time the BCM tested the circuit.

_______________ are registers designed to store the results of logic operations.

Technician A says the output of one computer can also be used as an input to another computer. Technician B says a sensor is an output device. Who is correct?

What is the function of the clock circuit?

Wear a(n) ____ to ground your body to prevent static discharges that may damage electronic components.

Define a ROM memory chip.

An interface protects the computer from excessive voltage.

Technician A says if the scan tool indicates that an actuator is being turned on and off, the actuator is working. Technician B says that DTCs can only be retrieved by a scan tool. Who is correct?

All of the following are precautions to prevent static electricity damage when replacing a control module EXCEPT:

A(n) ____ is a set of instructions the computer must follow to achieve desired results.

Technician A says to test sensor signals, a breakout box can be used. Technician B says sensors can only be tested with a scan tool. Who is correct?

Explain why it is important to test the sensor return circuit.

To ____ a computer means to remove the existing programming and overwrite it with new software.