Post on 25-Mar-2018
Automotive Service Modern Auto Tech Study Guide Chapters 30 & 32 Pages 499 547 Starting & Charging Systems 21 Points
Starter Motor
Alternator
Automotive Service 1. The _________________ system uses battery power and an electric motor
to crank the engine for starting.
Charging Starting Ignition
Automotive Service 2. The ____________ is the source of energy for the starting system.
The _____________ switch allows the driver to control starter motor operation.
Battery, Ignition Battery, Brake Battery, Park/Neutral
Automotive Service 3. The __________________ is a highcurrent relay (electromagnetic switch)
for connecting the battery to the starter motor. The initial “click” you hear just before cranking is the action of the solenoid.
Cellophane Solenoid Fuel Pump
Automotive Service 4. The starter __________ produces the hightorque needed for turning the
ring gear on the engine flywheel.
Relay Solenoid Motor
Automotive Service 5. The starter motor uses repelling _________________ fields to cause the
rotary motion to crank the engine.
Static Magnetic Dynamic
Automotive Service 6. The starter drive is made up of a small, ____________ gear and an
________________________ clutch that work together to mesh with the flywheel during cranking. The pinion gear is has just a few teeth (10) and the flywheel it meshes with has over a hundred teeth. This gear reduction provides a gain in torque.
Pinion, Overrunning Bevel, OneWay Hypoid, Roller
Automotive Service 7. The ________________ _______________ switch
(also known as the park/neutral switch) prevents cranking unless the shift selector is in park or neutral. A clutch safety switch is used on manual transmission cars.
Starting Safety Brake Light AntiTheft
Automotive Service 8. The _______________ system charges the battery & supplies current to all of
the car’s electrical systems.
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Charging Starting Ignition
Automotive Service 9. The _______________________ is the AC generator that uses engine
rotary motion to produce electricity.
Alternator Turbocharger Powertrain Control Module
Automotive Service 10. The _________________ regulator is an electronic device that
controls the charging rate of the alternator.
Automotive Service 11. The AC generator is powered by a drive _______ (serpentine or v)
connected to the engine crankshaft pulley.
Smelt Welt Belt
Automotive Service 12. The alternator produces ac electricity inside, but is rectified to
______________ _______________ (DC) before it flows out through wiring to recharge the battery and run the vehicle electrical systems.
Direct Current Eddy Current House Current
Automotive Service 13. Generally speaking, alternators move __________ fields past ____ of wire
to generate power…This is called electromagnetic induction
Plowed, Fences Magnetic, Coils Force, Mountains
Automotive Service 14. Inside of an alternator, the brushes carry a regulated amount of battery voltage
through copper slip rings into the spinning field coil of the __________. Moving this electromagnetic field past the ____________ windings generates AC electricity. The AC is changed to dc by diodes in the rectifier bridge.
Rotor Rotates
Stator is Stationary
Stator, Rotor Rotor, Stator Armature, Rotor
Automotive Service 15. Charging system output is sensitive to ____________ temperature.
The ________ is sometimes used to supplement or replace the conventional voltage regulator for more precise control the charging circuit.
Battery, PCM Coolant, EGR Ambient, Trunk Battery Temperature Sensor
Automotive Service 16. A loose or slipping alternator drive ______ can cause low charging system
output & lead to a dead battery. (also known as accessory drive belt)
Train Belt Pinion
Automotive Service
Accessory Drive Belt
Tensioner
Balancer Alternator