ASE Test Prep Manual A6 Automobile Electrical/Electronic Systems
by Motorage, Most recent edition

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The Motor Age Self-Study Guide for the A6 Automobile Electrical/Electronic Systems ASE Test contains:

• Tips on preparing for and taking the ASE test.
• The A6 ASE Test Task List, which lists the knowledge that a technician must have to pass the A6 ASE test.
• Complete Electrical/Electronic System, Battery, Starting System, Charging System, Lighting Systems, Gauges, Horn, Wiper/Washer and Power Accessories diagnostic information, symptom descriptions and probable causes,  testing procedures, and interpretation of test results; repair information, disassembly, cleaning, inspection, repair, adjustment and assembly procedures.
• A Practice Test, with all questions written in the ASE style. The answers to the Practice Test questions contain thorough explanations for each answer.
• A comprehensive Glossary, including all electrical/electronic system-related terms used in the Study Guide.

In addition to the easy-to-read text, the Motor Age A6 Electrical/Electronic Systems Self-Study Guide contains dozens of useful illustrations, and like all Motor Age Self-Study Guides, it is spiral bound, which allows the pages to lie flat for ease of use. You ll also find the Motor Age A6 Electrical/Electronic Systems Self-Study Guide to be a handy reference manual that you can use on the job after you ve taken the ASE test.

ASE A6 Auto Test Prep Study Guide Electrical / Electronics Systems

A. General Electrical/Electronic System Diagnosis (13 questions)
a. Check voltages and voltage drops in electrical/electronic circuits; interpret readings and determine needed repairs.
b. Check current flow in electrical/electronic circuits and components; interpret readings and determine needed repairs.
c. Check continuity and resistances in electrical/electronic circuits and components; interpret readings and determine needed repairs.
d. Check electronic circuit waveforms; interpret readings and determine needed repairs.
e. Use scan-tool data and/or diagnostic trouble codes (DTCs) to diagnose electronic systems; interpret readings and determine necessary action.
f. Find shorts, grounds, opens, and resistance problems in electrical/ electronic circuits; determine needed repairs.
g. Measure and diagnose the cause(s) of abnormal key-off battery drain (parasitic draw); determine needed repairs.
h. Inspect, test, and replace fusible links, circuit breakers, fuses, diodes, and current limiting devices.
i. Read and interpret electrical schematic diagrams and symbols.
j. Research applicable vehicle and service information, such as vehicle service history, sevice precautions, technical service bulletins, and service campaigns/recalls.
k. Diagnose failures in the data bus communications network; determine needed repairs.
l. Remove and replace control modules; program as needed.

B. Battery and Starting System Diagnosis and Repair (9 questions)
a. Perform battery state-of-charge test; determine needed service.
b. Perform battery tests (load and capacitance) determine needed service.
c. Maintain or restore electronic memory functions.
d. Perform slow/fast battery charge in accordance with manufacturer’s recommendations.
e. Inspect, clean, repair and/or replace battery(ies), battery cables, connectors, clamps hold downs, and vent tubes.
f. Jump-start a vehicle using jumper cables, a booster battery or auxiliary power supply.
g. Perform starter current draw test; determine needed repairs.
h. Perform starter circuit voltage drop tests; determine needed repairs.
i. Inspect, test, repair and/or replace starter, relays, solenoids, modules, switches, connectors, and wires of starter circuits.
j. Differentiate between electrical and engine mechanical problems that cause a slow crank, no crank, extended cranking, or a cranking noise condition.

C. Charging System Diagnosis and Repair (5 questions)
a. Diagnose charging system problems that cause a no charge, a low charge, or an over-charge condition; determine needed repairs.
b. Inspect, reinstall and/or replace pulleys, tensioners and drive belts; adjust belts and check alignment.
c. Perform charging system voltage output test; determine needed repairs.
d. Perform charging system current output test; determine needed repairs.
e. Inspect and test generator (alternator) control components including computers/regulators; determine needed repairs.
f. Perform charging circuit voltage drop tests; determine needed repairs.
g. Inspect, test, repair and/or replace connectors and wires of charging system circuits.
h. Remove, inspect, and replace generator (alternator).

D. Lighting Systems Diagnosis and Repair (6 questions)
a. Diagnose the cause of brighter than normal, intermittent, dim, continuous or no operation of exterior lighting; determine needed repairs.
b. Inspect, replace, aim and/or level headlights and auxiliary lights (fog lights/driving lights); inspect and replace headlight and auxiliary bulbs including high-intensity discharge systems (HID).
c. Inspect, test, repair and/or replace switches, relays, bulbs, LEDs, sockets, connectors, wires, and controllers of exterior lighting.
d. Diagnose the cause of turn signal and/or hazard light system malfunctions; determine needed repairs.
e. Inspect, test, repair and/or replace switches, flasher units, bulbs, sockets, connectors, wires, and controllers of turn signal and hazard light circuits.
f. Diagnose the cause of intermittent, dim, continuous or no operation of interior lighting circuits (courtesy, dome, map, vanity, cargo, trunk, and hood); determine needed repairs.
g. Inspect, test, repair and/or replace switches, relays, bulbs, sockets, connectors, wires, and controllers of interior lighting circuits (courtesy, dome, map, vanity, cargo, trunk, and hood).
h. Inspect, test, repair and/or replace trailer wiring harness, relays, connectors, and controllers.

E. Instrument Cluster and Driver Information Systems Diagnosis and Repair (6 questions)
a. Diagnose the cause of intermittent, dim, no lights, continuous operation, or no brightness control of instrument lighting circuits; determine needed repairs.
b. Inspect, test, repair and/or replace switches, relays, bulbs, LEDs, sockets, connectors, wires, and controllers of instrument lighting circuits.
c. Diagnose the cause of high, low, intermittent, or no readings on electronic instrument cluster gauges; determine needed repairs.
d. Diagnose the cause of constant, intermittent, or no operation of warning lights, indicator lights, audible warning devices, and other driver information systems; determine needed repairs.
e. Inspect, test, repair and/or replace bulbs, sockets, connectors, switches, relays, sensors, timers, wires, gauges, sending units, sensors, electronic components, and controllers of electronic instrument clusters and driver information system circuits.

F. Body Electrical Systems Diagnosis and Repair (11 questions)
a. Diagnose operation of comfort and convenience accessories and related circuits (such as: power window, power seats, pedal height, power locks, truck locks, remote start, moon roof, sun roof, sun shade, remote keyless entry, voice activation, steering wheel controls, back-up camera, park assist, and auto dimming headlamps); determine needed repairs.
b.Inspect, test, repair and/or replace components, connectors and wiring of comfort and convenience accessories.
c. Diagnose operation of heated and cooled accessories and related circuits (such as: heated/cooled seats, heated steering wheel, heated mirror, heated glass, and heated/cooled cup holders); determine needed repairs.
d. Inspect, test, repair and/or replace components, connectors and wiring of heated and cooled accessories.
e. Diagnose operation of security/anti-theft systems and related circuits (such as: theft deterrent, door locks, remote keyless entry, remote start, and starter/fuel disable); determine needed repairs.
f. Inspect, test, repair and/or replace components, connectors and wiring of security/anti-theft systems.
g. Diagnose operation of entertainment and related circuits (such as: radio, DVD, remote CD changer, navigation, amplifiers, speakers, antennas, and voice activated accessories); determine needed repairs.
h. Inspect, test, repair and/or replace components, connectors and wiring of entertainment systems.
i. Diagnose operation of safety systems and related circuits (such as: airbags, seat belt pretensioners, occupancy classification, wipers, washers, speed control/collision avoidance, heads-up display, park assist, and back up camera); determine  needed repairs.
j. Inspect, test, repair and/or replace components, connectors and wiring of safety systems.