X2T35X Set 1 Volume 2

What is the first step in removing an alternator? a. Disconnect the battery. b. Remove the field terminal plug. c. Mark the alternator housing with a scribe. d. Ensure the diode trio is discharged to prevent any residual voltage.

a. Disconnect the battery.

Which of the following memories can be altered in the field to adjust for operating parameters? a. Electrically erasable programmable read only memory (EEPROM). b. Exchangeable programmable read only memory (XPROM). c. Random access memory (RAM). d. Keep alive memory (KAM).

a. Electrically erasable programmable read only memory (EEPROM).

A set of electronic/electric circuits that feeds voltage (alternating current and direct current) between the high voltage (HV) battery and the motor-generator is the a. HV power control module (HV PCM). b. power transfer module (PTM). c. hybrid electric vehicle (HEV). d. engine control unit (ECU).

a. HV power control module (HV PCM).

Which is most common type of voltage regulator on today's vehicles? a. Integral. b. External. c. Electronic. d. Piezoelectric.

a. Integral.

Which alternator component includes the field windings, claw poles, and slip rings? a. Rotor. b. Stator. c. Rectifier. d. Voltage regulator.

a. Rotor.

All of the following are functions of a distributor in a distributor ignition system except a. analyzes sensor data to advance spark timing. b. changes spark timing with changes in engine load. c. distributes the coil's high-voltage pulses to the spark plug wires. d. actuates on/off cycles of current flow through the ignition coil primary windings.

a. analyzes sensor data to advance spark timing.

In all-electric drive mode, all the energy needed for city driving is provided by the a. battery pack. b. power splitter. c. hybrid control module. d. internal combustion engine.

a. battery pack.

On average, how many miles of driving in full-electric mode does one kilowatt hour (kWh) of high-voltage (HV) battery power equal? a. 0.5. b. 1. c. 3. d. 10.

b. 1.

Which of the following is not a typical electronic spark advance ignition system sensor? a. Knock sensor. b. Coolant level sensor. c. Throttle position sensor. d. Manifold absolute pressure sensor.

b. Coolant level sensor.

What is sometimes used to supplement or replace the conventional voltage regulator to more precisely control the changing circuit? a. Battery control module. b. Engine control module. c. Contact-point module. d. Dual ballast resistor.

b. Engine control module.

What factor is used in determining a spark plug's heat range? a. Size of ground electrode. b. Length of the insulator tip. c. Composition of the inner shell. d. Composition of the outer shell.

b. Length of the insulator tip.

What effect does a light switch stuck in the open position have on the circuit? a. Lights will not turn off. b. Lights will not turn on. c. Lights flicker. d. Blows a fuse.

b. Lights will not turn on.

What is a data-link connector (DLC) designed to do? a. Link the computer to the sensors. b. Link the scan tool to the computer. c. Connect one scan tool to another scan tool to transfer data. d. Connect one memory stick (card) to the computer motherboard.

b. Link the scan tool to the computer.

How is a high-voltage (HV) battery constructed? a. Several large 12-volt batteries wired in series. b. Many small battery cells inside several battery packs wired in series. c. A single large battery with many plates similar to those found in a 12-volt battery. d. Several 12-volt batteries wired in series with smaller battery packs providing additional power.

b. Many small battery cells inside several battery packs wired in series.

Which of the following components do hybrid vehicles use to recharge the high-voltage (HV) battery? a. Alternator. b. Motor-generator. c. Battery thermistor. d. HV power control module.

b. Motor-generator.

What term is used to describe computer interaction in vehicles? a. Data sharing. b. Multiplexing. c. Computer codependence. d. Input/output (I/O) communication.

b. Multiplexing.

A direct ignition system's coil assembly is mounted a. in series with the secondary wiring. b. directly above each spark plug. c. inside the distributor cap. d. next to the distributor.

b. directly above each spark plug.

A starter armature consists of each of these except a. shaft. b. flange. c. windings. d. commutator.

b. flange.

If the dot on the battery eye is not visible, it means the battery a. has a low electrolyte level. b. needs to be charged. c. must be replaced. d. is fully charged.

b. needs to be charged.

Each of the following is a wire current-carrying rule except a. in most conductors, resistance increases as temperature increases. b. wire resistance increases as conductor diameter increases. c. resistance depends on the material used in the conductor. d. resistance increases as the length of the wire increases.

b. wire resistance increases as conductor diameter increases.

A multimeter combines each of the following meters in one housing except a. an ohmmeter. b. an ammeter. c. a wattmeter. d. a voltmeter.

c. a wattmeter.

To reduce alternator output, the voltage regulator places more resistance between the a. alternator brushes and slip rings. b. alternator pulley and the stator. c. battery and the field windings. d. rotor and the stator.

c. battery and the field windings.

During a preliminary visual inspection, you might look for each of the following except a. loose wires. b. part damage. c. computer problems. d. leaking vacuum hoses.

c. computer problems.

Depending on the diagnostic system, all of the following procedures will clear or erase trouble codes except a. using a scan tool. b. disconnecting the battery ground cable or strap. c. turning the cycle ignition switch on and off several times. d. unplugging the fuse to the electronic control module (ECM).

c. turning the cycle ignition switch on and off several times.

What is the most common cause of turn signal problems? a. Shorted turn signal circuit. b. Open turn signal circuit. c. Bad electric relay. d. Burned-out bulb.

d. Burned-out bulb.

What is the reach on a spark plug? a. Length of the spark plug insulator. b. Distance the spark plug electrode is gapped. c. Length between the spark plug and the piston top dead center (TDC). d. Distance between the end of the plug threads and the sealing surface on the plug shell.

d. Distance between the end of the plug threads and the sealing surface on the plug shell.

Which of the following is an electrical service chemical that can be used to find intermittent problems in electronic components? a. Electrical solvent. b. Dielectric grease. c. Contact cleaner. d. Freeze spray.

d. Freeze spray.

In which hybrid vehicle operating mode does the motor-generator serve as an electrical generator? a. Idle stop. b. Motor assist. c. Engine starting. d. Regenerative braking.

d. Regenerative braking.

What type of actuator reacts to a small control signal from the computer to control a much higher current flow? a. Servomotor. b. Regulator. c. Solenoid. d. Relay.

d. Relay.

Which of the following is used to check ignition system output voltage? a. Ammeter. b. Voltmeter. c. Ohmmeter. d. Spark tester.

d. Spark tester.

When working on a hybrid electric vehicle, approximately how many feet should a high-voltage buffer zone have around the perimeter of the vehicle? a. 3. b. 6. c. 10. d. 15.

a. 3.

During a load test on a 12-volt battery at 70 degrees Fahrenheit (° F), the battery performance is poor if the voltmeter reads less than a. 9.5 volts. b. 9.7 volts. c. 9.9 volts. d. 10.0 volts.

a. 9.5 volts.

What is the name of the function most digital meters possess to automatically change to display the correct scale? a. Auto ranging. b. Self adjusting. c. Dynamic output. d. Adaptable display.

a. Auto ranging.

What component allows the operator to input and read data about the vehicle? a. Driver information center. b. Driver heads-up display. c. Multipurpose switch. d. Instrument cluster.

a. Driver information center.

Which of the following components converts the high-voltage (HV) alternating current (ac) used in hybrid charging systems? a. HV power control module. b. Hybrid control module. c. Motor-generator. d. Voltmeter.

a. HV power control module.

Why do you use a special grease when installing a new ignition control module? a. Helps transfer heat away from the circuits. b. Ensures continuity with the ground circuit and frame. c. Prevents corrosion between the module and mounting point. d. Insulates the point contacts from touching the distributor housing.

a. Helps transfer heat away from the circuits.

Which electrical system malfunction reduces but does not stop current flow through a circuit? a. High resistance. b. Low resistance. c. Open circuit. d. Short circuit.

a. High resistance.

To avoid overheating and melting, under what load conditions must wire size be matched to circuit amperage draw? a. Peak. b. Average. c. Runaway. d. Minimum.

a. Peak.

In addition to light emitting diodes (LED), what does an optical sensor use to produce a digital signal? a. Photo diodes. b. Magnetic diodes. c. Continuity diodes. d. Light-actuated diodes (LAD).

a. Photo diodes.

Which of the following is not a function of a 12-volt charging system? a. Provides a 15-17 volt output to charge the vehicle's battery. b. Changes current and voltage output to meet different electrical loads. c. Supplies all the vehicle's 12-volt electricity when the engine is running. d. Provides smooth direct current (dc) for the proper function of electronic circuits.

a. Provides a 15-17 volt output to charge the vehicle's battery.

What is the purpose of resistor spark plugs? a. Reduce static in radios and television sets. b. Cause the coil to keep firing its maximum. c. Eliminate damaging arcing within the plug. d. Ensure the firing tip will not wear out prematurely.

a. Reduce static in radios and television sets.

In a waste-spark ignition system, what is the purpose of the wasted spark? a. The waste spark serves no purpose. b. Reduce carbon deposits on the valves. c. Preheat the combustion chamber for the next cycle. d. Create a "second-chance burn" to reduce emissions.

a. The waste spark serves no purpose.

What type of sensor is commonly used to monitor throttle position and temperature? a. Variable resistor. b. Piezoelectric. c. Manifold. d. Hot wire.

a. Variable resistor.

If you increase the current draw through a flasher, such as by adding trailer lights, the flasher will a. blink more quickly. b. blink more slowly. c. overheat and melt. d. stop blinking.

a. blink more quickly.

All of the following are wire protection devices except a. flux. b. plastic tubing. c. electrical tape. d. wiring harness.

a. flux.

The color of a properly burning spark plug should be a. grayish-tan. b. yellow. c. black. d. white.

a. grayish-tan.

The purpose of the dimmer switch is to control the function of the a. high and low headlamp beams. b. headlights and turn signals. c. cruise control circuits. d. ignition on/off circuit.

a. high and low headlamp beams.

The term operating parameter refers to acceptable a. minimum and maximum values. b. engine transient loading levels. c. key-on/engine-on diagnostics. d. emitted engine pollutants.

a. minimum and maximum values.

As battery temperature drops, battery power is a. reduced, increasing the need for starter current b. reduced, decreasing the need for starter current. c. increased, increasing the need for starter current. d. increased, decreasing the need for starter current.

a. reduced, increasing the need for starter current

A fully-charged high-voltage (HV) battery should show voltage levels to within what percentage of specifications? a. 50-60%. b. 60-75%. c. 75-85%. d. 85-100%.

b. 60-75%.

What is considered "intrusive" and can help find out if specific output devices are working? a. Switch diagnostic test. b. Actuator diagnostic test. c. Key-on/engine-on diagnostics. d. Key-on/engine-off diagnostics.

b. Actuator diagnostic test.

Usually, what type of sensor is a knock sensor? a. Potentiometer. b. Piezoelectric. c. Thermistor. d. Hot wire.

b. Piezoelectric.

What is the function of the neutral safety switch? a. Supplies power to the ignition switch when the transmission is in gear. b. Prevents the engine from cranking when the transmission is in gear. c. Supplies power to the ignition switch when the brake is depressed. d. Prevents the engine from cranking unless the parking brake is set.

b. Prevents the engine from cranking when the transmission is in gear.

Which test can quickly check the general output of a charging system? a. Circuit resistance tests. b. Voltmeter test. c. Scan tool test. d. Load test.

b. Voltmeter test.

Each of these conditions should exist during a headlight aiming test except a. tires inflated correctly. b. panel lights are dimmed. c. vehicle has half a tank of fuel. d. spare tire and jack are the only items in the trunk.

b. panel lights are dimmed.

In a hybrid vehicle, the planetary gearset used to control the transfer of power through the hybrid drive train is called the a. transfer case. b. power splitter. c. torque multiplier. d. planetary transfer unit.

b. power splitter.

Of the following, jumper wires should only be used to bypass a a. fuse. b. switch. c. circuit breaker. d. high-resistance component.

b. switch.

On an electronic spark advance system, the camshaft position sensor a. measures the engine intake manifold vacuum. b. tells the computer which cylinder is on its power stroke. c. controls the amount of voltage in the primary coil winding. d. allows the ignition module to make decisions about what the ignition timing should be.

b. tells the computer which cylinder is on its power stroke.

A 12-volt battery voltage test determines a. the electrolyte consistency. b. the battery's general state of charge. c. voltage loss across the battery terminals. d. amperage loss across the battery terminals.

b. the battery's general state of charge.

The best method to start spark plugs in their holes is with the use of a. a ratchet. b. your fingers. c. a spark plug socket. d. a short piece of vacuum hose.

b. your fingers.

What is an acceptable voltmeter reading during a starter ground circuit test? a. 12 volts. b. 6 volts. c. 0.5 volts. d. 0.7 volts.

c. 0.5 volts.

Which basic type of computer gating circuit requires voltage at both inputs to produce a voltage at the output? a. OR. b. NOT. c. AND. d NAND.

c. AND.

Which of the following can shorten the service life of a 12-volt battery if it occurs repeatedly? a. Charging. b. Discharging. c. Deep cycling. d. Battery cycling.

c. Deep cycling.

What is not a likely cause of a slow-cranking starter problem? a. Engine Mechanical problems. b. Partially discharged battery. c. Faulty ignition switch. d. Bad starting motor.

c. Faulty ignition switch.

When performing a 12-volt starter current draw test, which condition most likely causes a low voltage, high current reading? a. Low battery. b. This is normal. c. Faulty starter motor. d. Faulty starter circuit connections.

c. Faulty starter motor.

Which general computer system failure is the most severe, but is the easiest to locate? a. Low-input failure. b. High-input failure. c. General circuit failure. d. Improper range/performance failure.

c. General circuit failure.

How can you calculate the load test value that should be applied to a battery during a load test? a. One-third of the cold cranking amp (CCA) rating. b. Twice the amp rating of the battery. c. One-half of the CCA rating. d. The actual CCA rating.

c. One-half of the CCA rating.

When checking a temperature switch, what should you measure when cold and hot? a. Voltage. b. Amperage. c. Resistance. d. Voltage drop.

c. Resistance.

What type of wiring diagram contains only the components and wires for a particular circuit? a. Main. b. Block. c. System. d. Harness routing.

c. System.

When the motor-generator serves as a high voltage motor to propel the vehicle, what type of voltage is applied to the stator windings? a. Single-phase alternating current (ac) power. b. Single phase direct current (dc) power. c. Three-phase ac power. d. Three phase dc power.

c. Three-phase ac power.

Which computer is described as a large, powerful computer that processes data from sensors and other, less powerful control units? a. Body module. b. Engine control module. c. Vehicle control module. d. Powertrain control module.

c. Vehicle control module.

The primary difference between permanent-magnet starters and conventional starters is that permanent-magnet starters a. use a helicoil armature shaft that allows the drive unit to slide better. b. have planetary gears to increase starter drive speed. c. do not have field windings. d. do not use brushes.

c. do not have field windings.

All of these refer to a sensor that measures the temperature of air entering the engine intake manifold except a. inlet air temperature. b. intake air temperature. c. engine air temperature. d. manifold air temperature.

c. engine air temperature.

If the engine does not shut off when the ignition key is turned off, a technician should suspect a a. bad knock sensor. b. parasitic battery load. c. faulty ignition switch. d. malfunctioning fuel pump.

c. faulty ignition switch.

Each of the following is part of the brake light system except a. fuse. b. rear lamps. c. flasher unit. d. brake light switch.

c. flasher unit.

Each of the following is considered a main part of 12-volt starting system except the a. battery. b. ignition switch. c. fuel pump relay. d. engine control module (ECM).

c. fuel pump relay.

A passive sensor may be tested in any of the following ways except a. measuring voltage drop across the sensor with reference voltage applied. b. measuring internal resistance with an ohmmeter. c. measuring reference voltage with a voltmeter. d. reading data stream values with a scan tool.

c. measuring reference voltage with a voltmeter.

The second step in the systematic approach to electrical diagnosis is to a. make and verify the repair. b. perform the proper tests. c. narrow down the cause. d. verify the symptoms.

c. narrow down the cause.

Each of the following refers to an ignition system using multiple ignition coils, a coil control unit, engine sensors, and a computer except a. distributorless ignition system. b. computer-coil ignition system. c. points and condenser ignition. d. coil pack unit.

c. points and condenser ignition.

An alternator rebuild may include each of the following steps except a. testing the diodes. b. replacing the brushes. c. repacking the bearings. d. inspecting and testing the rotor.

c. repacking the bearings.

What is the best way to be trained to diagnose and repair a hybrid charging system? a. Read service magazines that discuss hybrid repairs. b. Search the internet for specific service information. c. Read posts from hybrid vehicle forums on the internet. d. Attend factory training courses or read manufacturer instructions.

d. Attend factory training courses or read manufacturer instructions.

What type of 12-volt battery requires a specific, low charging rate to avoid damage? a. Absorbed glass mat (AGM). b. Maintenance-free. c. Conventional. d. Gel.

d. Gel.

What does a battery charger set on trickle charge feed to a battery? a. High current flow for a shorter charging time. b. Low current flow for a shorter charging time. c. High current flow for a longer charging time. d. Low current flow for a longer charging time.

d. Low current flow for a longer charging time.

Which device on a starter locks the pinion gear in one direction and releases it in the other? a. Roller retainer. b. Starter solenoid. c. Flywheel ring gear. d. Overrunning clutch.

d. Overrunning clutch.

What type of computer memory stores specific data such as engine valve sizes, fuel-system type, transaxle, and so forth? a. Selectable access memory. b. Keep alive memory (KAM). c. Random access memory (RAM). d. Programmable read-only memory (PROM).

d. Programmable read-only memory (PROM).

What type of computer memory permanently stores information? a. Erasable programmable read only memory (EPROM). b. Random access memory (RAM). c. Keep alive memory (KAM). d. Read-only memory (ROM).

d. Read-only memory (ROM).

Which is not a characteristic of a controller area network (CAN) bus system? a. Each computer can send and receive signals. b. Each signal is sent to all other computers in the network. c. Computers decide whether to process the signal based on markers. d. Several computers and sensors use the wiring in turn based on priority.

d. Several computers and sensors use the wiring in turn based on priority.

Which type of wire is normally used in vehicles because it is flexible and can withstand vibration without breaking? a. Solid b. Ribbon. c. Parallel. d. Stranded.

d. Stranded.

How often should batteries with removable vent caps have their electrolyte checked? a. Any time the hood is opened. b. Quarterly. c. Weekly. d. Yearly.

d. Yearly.

When a vehicle with on-board diagnostics generation two (OBD II) has a malfunction indicator light (MIL) that is flashing, it indicates a. there are no problems detected. b. an intermittent problem has been detected. c. a problem has been detected, but it is not critical. d. a problem that could damage the catalytic converter has been detected.

d. a problem that could damage the catalytic converter has been detected.

Wiring repairs may include any of the following except a. replacing a burned connector. b. soldering a wire to a terminal. c. crimping a terminal over a wire. d. covering melted insulation with electrical tape.

d. covering melted insulation with electrical tape.

A charging system load test is designed to measure alternator/regulator a. voltage only under minimum load. b. current only under maximum load. c. current and voltage output under minimum load. d. current and voltage output under maximum load.

d. current and voltage output under maximum load.

A 12-volt battery electrolyte is made from a. sulfuric acid only. b. distilled water only. c. lead acid and distilled water. d. distilled water and sulfuric acid.

d. distilled water and sulfuric acid.

When the lights stay bright but the engine does not crank properly during a starting headlight test, this most likely indicates a a. dead battery. b. shorted starting motor. c. broken feed wire to the main fuse box. d. high resistance or an open in the starting circuit.

d. high resistance or an open in the starting circuit.

High-voltage (HV) batteries may be cooled in any of the following ways except a. refrigerant. b. water. c. air. d. oil.

d. oil.

Each of the following is an advantage of high-intensity discharge (HID) bulbs except that they a. last longer. b. produce more light. c. consume less power. d. operate on lower voltage.

d. operate on lower voltage.

A wire code identification system on a wiring diagram explains all of the following except the wires' a. color. b. location. c. gage size. d. overall length.

d. overall length.

A basic circuit problem is caused by a malfunction that increases or decreases all of the following except a. current. b. voltage. c. resistance. d. processing speed.

d. processing speed.

An alternator's brushes a. provide alternator output current to the battery. b. transfer the rotor's output into the stator winding. c. change the stator's magnetic field to an electrical current. d. ride on the slip rings to make a sliding electrical connection.

d. ride on the slip rings to make a sliding electrical connection.

Generally, the only serviceable parts within a windshield wiper motor assembly are the a. wiper blades. b. wiper motors. c. wiper switches. d. transmission gears.

d. transmission gears.