Question 1

Which switching device used below is also called a "magnetic pulse generator"?

Accepted Answer

A) Ignition coil 
B) Optical sensor 
C) Hall-effect switch 
D) Pickup coil 
A) Ignition coil 
B) Optical sensor 
C) Hall-effect switch 
D) Pickup coil D

Question 2

Which statement below is correct?

Accepted Answer

A) It is not possible to control the ignition timing for each cylinder separately 
B) All coil on plug systems require ignition wires 
C) Coil on plug systems use one ignition coil per cylinder 
D) Ignition control circuits cannot sense the voltage required to fire a spark plug 
A) It is not possible to control the ignition timing for each cylinder separately 
B) All coil on plug systems require ignition wires 
C) Coil on plug systems use one ignition coil per cylinder 
D) Ignition control circuits cannot sense the voltage required to fire a spark plug C

Question 3

Which switching device uses LEDs?

Accepted Answer

A) Pickup coil 
B) Hall effect 
C) Optical sensor 
D) Magnetic reluctor 
A) Pickup coil 
B) Hall effect 
C) Optical sensor 
D) Magnetic reluctor C

Question 4

Which switching device uses a shutter blade and sensor to detect a magnetic field?

Accepted Answer

A) Pickup coil 
B) Hall-effect switch 
C) Ignition coil 
D) Optical sensor 
A) Pickup coil 
B) Hall-effect switch 
C) Ignition coil 
D) Optical sensor

Question 5

How does a waste-spark ignition system fire the spark plugs?

Accepted Answer

A) The waste spark is sent to the cylinder next to the cylinder being fired 
B) The same plug always is fired straight or reverse polarity 
C) The polarity reverses at each firing (flip flops) 
D) Both A and C 
A) The waste spark is sent to the cylinder next to the cylinder being fired 
B) The same plug always is fired straight or reverse polarity 
C) The polarity reverses at each firing (flip flops) 
D) Both A and C

Question 6

Which statement below is correct?

Accepted Answer

A) Most ignition systems work by switching the positive side of the coil windings to power. 
B) Most ignition systems work by switching the circuit to power the ignition coil's secondary windings. 
C) Most ignition systems work by switching the negative side of the coil primary windings to ground. 
D) Most ignition systems work by switching the circuit grounding the ignition coil's secondary windings. 
A) Most ignition systems work by switching the positive side of the coil windings to power. 
B) Most ignition systems work by switching the circuit to power the ignition coil's secondary windings. 
C) Most ignition systems work by switching the negative side of the coil primary windings to ground. 
D) Most ignition systems work by switching the circuit grounding the ignition coil's secondary windings.

Question 7

The following statements are all correct EXCEPT ________.

Accepted Answer

A) Knock sensors require voltage input from the PCM to function properly. 
B) The knock sensor may be ignored by the PCM at idle. 
C) When the PCM detects detonation using the knock sensor, it will retard ignition timing. 
D) Ignition timing may be either ATDC, at TDC, or BTDC. 
A) Knock sensors require voltage input from the PCM to function properly. 
B) The knock sensor may be ignored by the PCM at idle. 
C) When the PCM detects detonation using the knock sensor, it will retard ignition timing. 
D) Ignition timing may be either ATDC, at TDC, or BTDC.

Question 8

The following statements are all correct EXCEPT ________.

Accepted Answer

A) Waste spark systems do not need a timing signal from the PCM when cranking the engine. 
B) Waste spark systems use a signal from the PCM once the engine is running. 
C) Up-integrated ignition controls use the PCM to control ignition timing. 
D) No ignition system uses the PCM to control ignition timing. 
A) Waste spark systems do not need a timing signal from the PCM when cranking the engine. 
B) Waste spark systems use a signal from the PCM once the engine is running. 
C) Up-integrated ignition controls use the PCM to control ignition timing. 
D) No ignition system uses the PCM to control ignition timing.

Question 9

The ignition system pickup coil or trigger is usually electrically connected to the ________.

Accepted Answer

A) Ignition module 
B) Ignition coil 
C) Rotor 
D) Distributor cap 
A) Ignition module 
B) Ignition coil 
C) Rotor 
D) Distributor cap

Question 10

Technician A says that a two-wire COP system uses the PCM to trigger the coil. Technician B says that a three-wire COP system has an ICM built into the coil assembly. Which technician is correct?

Accepted Answer

A) Technician A only 
B) Technician B only 
C) Both technicians A and B 
D) Neither technician A nor B 
A) Technician A only 
B) Technician B only 
C) Both technicians A and B 
D) Neither technician A nor B

Question 11

All these terms have been used to describe communication between the ignition module and PCM EXCEPT ________.

Accepted Answer

A) DIS 
B) SPOUT 
C) EST 
D) IC 
A) DIS 
B) SPOUT 
C) EST 
D) IC

Question 12

Which switching device creates its own electrical voltage pulse?

Accepted Answer

A) Pickup coil 
B) Optical sensor 
C) Hall-effect switch 
D) Ignition coil 
A) Pickup coil 
B) Optical sensor 
C) Hall-effect switch 
D) Ignition coil

Question 13

Which statement below is correct?

Accepted Answer

A) Turning on the low voltage primary coil induces a high voltage in the secondary windings. 
B) No voltage is induced in the secondary circuit. 
C) No voltage is induced in the primary circuit. 
D) Turning off the low voltage primary coil induces a high voltage in the secondary windings. 
A) Turning on the low voltage primary coil induces a high voltage in the secondary windings. 
B) No voltage is induced in the secondary circuit. 
C) No voltage is induced in the primary circuit. 
D) Turning off the low voltage primary coil induces a high voltage in the secondary windings.

Question 14

Which statement below is correct?

Accepted Answer

A) The primary coil windings are designed for higher current (2-6 Amperes). 
B) The primary coil windings are made of thinner wire than the secondary windings. 
C) The secondary coil windings are designed for higher current (2-6 Amperes). 
D) The primary coil windings have more turns of wire than the secondary windings. 
A) The primary coil windings are designed for higher current (2-6 Amperes). 
B) The primary coil windings are made of thinner wire than the secondary windings. 
C) The secondary coil windings are designed for higher current (2-6 Amperes). 
D) The primary coil windings have more turns of wire than the secondary windings.

Question 15

The ignition system is usually divided into ________ different sections.

Accepted Answer

A) Four 
B) Two 
C) One 
D) Three 
A) Four 
B) Two 
C) One 
D) Three

Question 16

Technician A says that in bypass mode, the ignition system is timed by the ignition module. Technician B says that in bypass mode, the ignition system does not use the PCM to time spark plug firing. Which technician is correct?

Accepted Answer

A) Technician A only 
B) Technician B only 
C) Both technicians A and B 
D) Neither technician A nor B 
A) Technician A only 
B) Technician B only 
C) Both technicians A and B 
D) Neither technician A nor B

Question 17

Technician A says that a waste spark ignition system fires two spark plugs at the same time. Technician B says that the waste spark ignition system uses ignition coils connected to companion cylinders. Which technician is correct?

Accepted Answer

A) Technician A only 
B) Technician B only 
C) Both technicians A and B 
D) Neither technician A nor B 
A) Technician A only 
B) Technician B only 
C) Both technicians A and B 
D) Neither technician A nor B

Question 18

Two technicians are discussing distributor ignition. Technician A says that the pickup coil or optical sensor in the distributor is used to pulse the ignition module (igniter). Technician B says that some distributor ignition systems use an optical sensor. Which technician is correct?

Accepted Answer

A) Technician A only 
B) Technician B only 
C) Both technicians A and B 
D) Neither technician A nor B 
A) Technician A only 
B) Technician B only 
C) Both technicians A and B 
D) Neither technician A nor B

Question 19

Which of these terms is specified by the Society of Automotive Engineers (SAE) as the term describing an ignition system that does NOT use a distributor?

Accepted Answer

A) DI 
B) ND 
C) IGN 
D) EI 
A) DI 
B) ND 
C) IGN 
D) EI

Question 20

What is the principle used to create high voltage from low voltage?

Accepted Answer

A) Electromechanic induction 
B) Electromagnetic induction 
C) Electromagnetic multiplication 
D) Electromagnetic magnification 
A) Electromechanic induction 
B) Electromagnetic induction 
C) Electromagnetic multiplication 
D) Electromagnetic magnification

Exam 69: Ignition System Components and Operation

Which switching device used below is also called a "magnetic pulse generator"?

Which statement below is correct?

Which switching device uses LEDs?

Which switching device uses a shutter blade and sensor to detect a magnetic field?

How does a waste-spark ignition system fire the spark plugs?

Which statement below is correct?

The following statements are all correct EXCEPT ________.

The following statements are all correct EXCEPT ________.

The ignition system pickup coil or trigger is usually electrically connected to the ________.

Technician A says that a two-wire COP system uses the PCM to trigger the coil. Technician B says that a three-wire COP system has an ICM built into the coil assembly. Which technician is correct?

All these terms have been used to describe communication between the ignition module and PCM EXCEPT ________.

Which switching device creates its own electrical voltage pulse?

Which statement below is correct?

Which statement below is correct?

The ignition system is usually divided into ________ different sections.

Technician A says that in bypass mode, the ignition system is timed by the ignition module. Technician B says that in bypass mode, the ignition system does not use the PCM to time spark plug firing. Which technician is correct?

Technician A says that a waste spark ignition system fires two spark plugs at the same time. Technician B says that the waste spark ignition system uses ignition coils connected to companion cylinders. Which technician is correct?

Two technicians are discussing distributor ignition. Technician A says that the pickup coil or optical sensor in the distributor is used to pulse the ignition module (igniter). Technician B says that some distributor ignition systems use an optical sensor. Which technician is correct?

Which of these terms is specified by the Society of Automotive Engineers (SAE) as the term describing an ignition system that does NOT use a distributor?

What is the principle used to create high voltage from low voltage?

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