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WorksheetsIgnition Systems
Total questions: 15
Worksheet time: 8mins
Under heavy load, the ignition timing must be advanced.
false
true
A late-model ignition system can supply 30,000 to 60,000 volts of electricity.
true
false
Reach, heat range, and air gap are all characteristics that affect the performance of which ignition system component?
ignition coil
points and condenser
spark plugs
spark plug wires
What is the typical amount of secondary coil voltage required to jump the spark plug gap?
10,000V
100V
500V
12V
What type of signal is produced by a Hall-effect sensor?
digital
analog
What is the purpose of the ignition module?
raise and lower secondary voltage
turn on and off the magnetic pickup
turn on and off the primary current
What is dwell?
the duration of the spark
the time secondary current flows
the size of the spark plug gap
the time primary current flows
All ignition systems used a distributor cap and rotor assembly until 1996.
True
False
Which of the following PCM memory circuits is used to store temporary information?
ROM
RAM
Programmed ROM
Erasable RAM
Mode $06 Data only provides the stored DTC and cannot be used to determine component condition or misfire rates.
TRUE
FALSE
A spark plug fires before the piston reaches top dead centre (TDC).
TRUE
FALSE
Waste spark ignition systems can have longer dwell time than coil-over-plug ignition systems.
TRUE
FALSE
When testing coil primary resistance, what does an infinite reading indicate?
Open coil winding
Good coil winding
Short to ground
Low resistance
Which of the following is a cause of pinging?
cold running engine
high octane fuel
poor compression
overly advanced ignition timing
The distributorless ignition system of a V6 engine may be designed with three ignition coils.
True- using a waste spark system
False- V6 cannot use waste spark system
True- using COP style ignition coils
False- a 6cylinder engine will require 6 ignition coils
