Automotive Electrical and Electronic Systems Classroom Manual Fifth Edition Update by John F. Kershaw

9
Starting
System
Operation
LEARNING
OBJECTIVES
Upon completion and review of this chapter, you
should be able to:
• Define the two circuits of the automotive
starting system.
• Identify the basic starting systems parts and
explain their function in the system.
• Define the different designs of starting
systems used by the different automotive
manufacturers.
• Identify the internal components of an
automotive starter motor and explain their
operation.
• Define the term magnetic repulsion and
explain how a DC starter motor operates.
• Define the terms series, shunt (parallel),
and compound (series-parallel) as they
apply to starter motor internal circuitry.
• Explain the operation of the armature and
fields.
• Define starter motor drives and explain their
operation.
• Define the different designs of starting
motors used by the different automotive
manufacturers.
• Explain the operation of the overrunning
clutch.
KEY TERMS
Armature
Brushes
Clutch Start Switch
Compound Motor
Detented
Ignition Switch
Lap Winding
Magnetic Repulsion
Magnetic Switch
Overrunning Clutch
Pinion Gear
Series Motor
Shunt Motor
Solenoid
Solenoid-Actuated Starter
Starter Drive
Starting Safety Switch
Torque
183