Ignition System Quiz

The primary (low-voltage) ignition system must be working correctly before any spark occurs from a coil. Which component is NOT in the primary ignition circuit?

• Spark plug wires

• Pick up coil

• Ignition switch

• Ignition module

The ignition module has direct control over the firing of the coil(s) of an EI system. Which component(s) triggers (controls) the module?

• Crankshaft sensor

• Computer

• Pickup coil

• All of the above

A reluctor is a _______.

• type of sensor used in the secondary circuit
• notched ring or pointed wheel
• type of Hall-effect sensor
• type of optical sensor

HEI and EIS are examples of _______.

• waste-spark systems
• distributor ignition systems
• pickup coil types
• coil-on-plug systems

Coil polarity is determined by the _______.

• turns ratio
• direction of lamination
• direction of the coil windings
• saturation direction

Because of _______, an ignition coil cannot be fully charged (reach magnetic saturation) until after a delay of about 10 milliseconds.

• saturation
• resistance in the coil windings
• inductive reactance
• voltage drop across the ignition switch and related wiring

A COP ignition system can be called _______.

• coil-over-plug
• coil-by-plug
• coil-near-plug
• Any of the above

A compression-sensing ignition system is what type?

• Coil-on-plug
• Distributor
• Waste-spark
• Any of the above

A waste-spark-type ignition system _______.

• fires two spark plugs at the same time
• fires one spark plug with straight polarity
• fires one spark plug with reverse polarity
• All of the above

An ion-sensing ignition system allows the ignition system itself to be able to _______.

• detect misfire

• detect spark knock

• detect rich or lean air-fuel mixture

• All of the above