YEAR 2 INTERN STANDARD PROFILE
AUTOMOTIVE TECHNOLOGY 3 AND 4
Course Codes 6022 and 6023
Unit 1
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Explain how to become an ASE Certified Professional Automotive Technician.
Describe the main differences between dealerships, independents, franchises,
and service stations.
Define the educational requirements and basic responsibilities for an automotive
technician.
Interact with management, fellow technicians, and customers.
Unit 2
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Safety
Explain the purposes of the Occupational Safety and Health Act and demonstrate
knowledge of these purposes.
Identify the types of safety information posted in an automotive service area.
Define the steps required to safely handle and store gasoline and Diesel fuel.
Describe the necessary housekeeping safety steps and explain the essential
general shop safety practices.
Explain the steps needed for electrical safety in the shop.
Identify and ensure compliance with relevant federal, state, and local regulations
and safety concerns.
Secure needed factual OSHA information relevant to making the decision.
Unit 5
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Shop Operation
Use all input and output devices to acquire, organize, analyze, and communicate
computer information in an ethical way.
Use technology resources (e.g., calculators, data-collection probes, videos,
computer-based (CBT) educational software) for problem-solving, self-directed
learning, and extended learning activities.
Complete an accurate automotive repair order and explain the routing of a repair
order in a typical OEM dealership.
Document customer complaints and interact with management, fellow
technicians, and customers.
Unit 4
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Automotive Technician Career
HAZ-MAT
Identify, describe, and record potentially unsafe conditions or acts, environmental
noncompliance, malfunctions, and health or industrial hygiene problems.
Identify hazardous materials by chemical and physical properties, such as: color,
corrosivity, density, flammability, reactivity, specific gravity, and toxicity.
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Describe the documentation of hazardous materials, such as: chain of custody,
equipment calibration and maintenance, exception reports, field notebooks,
incident documentation, laboratory data, manifests, MSDSs, purchase orders,
shipping documents, and vendor invoices.
Read and interpret a hazardous material inventory roster.
Unit 6
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Identify hazards and precautions in the use of automotive solvents.
Identify the types and proper use of soaps and cleaning solutions used in the
automotive service industry.
Identify the types of oils, lubricants, and specialty chemicals used in the
automotive service shop.
Identify the airborne gases found in the automotive shop and explain the hazards
that they present.
Explain the hazards of asbestos dust.
Unit 9
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Power & Shop Tools
Demonstrate the safe use of automotive shop equipment such as machine lathe,
wheel balancer, and grease gun.
Unit 10
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Chemical Use
PowerTrain/HVAC
Remove and reinstall engine in a late model front-wheel drive vehicle (OBDI or
newer); reconnect all attaching components and restore the vehicle to running
condition.
Remove and reinstall engine in a late model rear-wheel drive vehicle (OBDI or
newer); reconnect all attaching components and restore the vehicle to running
condition.
Remove and reinstall transmission and/or transaxle and torque converter while
following the steps to install a Manufacturer's replacement transmission
assembly.
Inspect and replace clutch pressure plate assembly and clutch disc.
Verify correct operation and maintenance of refrigerant handling equipment.
Identify and recover A/C system refrigerant.
Recycle refrigerant.
Label and store refrigerant.
Test recycled refrigerant for non-condensable gases.
Evacuate and charge A/C system.
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A6 ELECTRICAL/ELECTRONICS: YEAR 2: 150-HOURS
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Solve for current in a complex series-parallel circuit using algebraic simultaneous
equations.
Measure source voltage and perform voltage drop tests in electrical/electronic
circuits using a voltmeter; determine necessary action.
Measure current flow in electrical/electronic circuits and components using an
ammeter; determine necessary action.
Check continuity and measure resistance in electrical/electronic circuits and
components using an ohmmeter; determine necessary action.
Define electrical power and its Ohm's Law relationship (Power is the rate at
which a device performs work.)
Diagnose electrical/electronic integrity for series, parallel and series-parallel circuits
using principles of electricity (Ohm’s Law).
Identify the characteristics of Series, Parallel, and Series-Parallel circuits;
Construct a series, parallel, and series-parallel circuit, then assess and solve
circuit problems both electrically and mathematically on those circuits.
Differentiate between a short, ground, and an open circuit.
Define Magnetism, Electromagnetism, electromagnetic Induction, and
Magnemotive Force.
Compare the units of magnetism to electricity: magnetic force to current, field
density to voltage, and reluctance to resistance.
Explain the use and operation of automotive circuit components that use
Electromagnetic Induction and Magnetism, to include: Alternators, motors,
starters, relays, solenoids, etc.
Diagnose incorrect horn operation; repair as needed.
Identify and interpret electrical/electronic system concern; determine necessary
action
Research applicable vehicle and service information, such as electrical/electronic
system operation, vehicle service history, service precautions, and technical
service bulletins.
Locate and interpret vehicle and major component identification numbers (VIN,
vehicle certification labels, and calibration decals).
Use wiring diagrams during diagnosis of electrical circuit problems.
Measure source voltage and perform voltage drop tests in electrical/electronic
circuits using a voltmeter; determine necessary action.
Measure current flow in electrical/electronic circuits and components using an
ammeter; determine necessary action.
Check continuity and measure resistance in electrical/electronic circuits and
components using an ohmmeter; determine necessary action.
Locate shorts, grounds, opens, and resistance problems in electrical/electronic
circuits; determine necessary action.
Inspect and test fusible links, circuit breakers, and fuses; replace as needed.
Inspect and test switches, connectors, relays, and wires of electrical/electronic
circuits; repair or replace as needed.
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Diagnose incorrect wiper operation; diagnose wiper speed control and park
problems; repair as needed.
Diagnose incorrect windshield washer operation; repair as needed.
Maintain or restore electronic computer memory functions.
Measure and diagnose the cause(s) of excessive key-off battery drain (parasitic
draw); determine necessary action.
Identify charging system principles.
Explain charging system function and operation.
Identify generator components.
Explain generator operation.
Diagnose charging system for the cause of undercharge, no-charge, and
overcharge conditions.
Perform charging circuit voltage drop tests; determine necessary action.
Remove, inspect, and install generator (alternator).
Identify and explain starting system principles.
Describe starting system switch function and operation.
Explain electric motor operation.
Identify starter component function to include gear ratios.
Explain the use and operation of automotive circuit components that use
Electromagnetic Induction and Magnetism, to include: starters, relays, solenoids,
etc.
Inspect and test starter relays and solenoids; determine necessary action.
Inspect, test, and repair or replace switches,
connectors, and wires of starter control circuits.
Differentiate between electrical and engine mechanical problems that cause a slowcrank or no-crank condition
Inspect and test switches, connectors, relays, and wires of electrical/electronic
circuits; repair or replace as needed.
Describe the purpose of Daytime Running Lights
Describe how the brake and turn signal lights work
Describe how the dome lights work
Describe how the reverse lights work
Diagnose the cause of brighter than normal, intermittent, dim, or no light
operation; determine necessary action.
Inspect and diagnose incorrect turn signal or hazard light operation; perform
necessary action
Describe the different types of gauges and sending units and explain how they
work.
Describe the different types of warning lights and explain how they work
Inspect, test, and diagnose gauge sending units for the cause of intermittent,
high, low, or no gauge readings; determine necessary action.
Inspect and test connectors, wires, and printed circuit boards of gauge circuits;
determine necessary action.
Diagnose the cause of incorrect operation of warning devices and other driver
information systems; determine necessary action.
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Diagnose incorrect operation of motor-driven accessory circuits; determine
necessary action.
Diagnose incorrect heated glass operation; repair as needed.
Diagnose incorrect electric lock operation; determine necessary action.
Diagnose radio static and weak, intermittent, or no radio reception.
Diagnose the cause of false, intermittent, or no operation of anti-theft system.
Identify the basic types and constructions of solid-state devices used in
automotive circuits and explain their operation.
Explain the terms Conductor, Insulator, and Semi-conductor; and differentiate
between their functions.
Define capacitance and describe the function of a capacitor in an electrical
circuit.
Explain the types, function, and symbols of Diodes and Transistors used in an
automotive electronic circuit.
Describe the function and basic operation of a microprocessor and the concept of
the integrated circuit (IC).
Define impedance as it relates to microprocessor protection.
Describe the types of automotive computer input signals.
Identify the different types of sensors and differentiate between analog and digital
types.
Explain the operation of cruise control systems
Diagnose incorrect operation of cruise control systems; repair as needed
Explain the operation of the Supplemental Restraint System (SRS).
Diagnose supplemental restraint system (SRS) concerns; determine necessary
action. (Note: Follow manufacturer’s safety procedures to prevent accidental
deployment.)
Identify radio and/or entertainment system components and explain their
operation.
Disarm and enable the airbag system for vehicle service.
Diagnose radio static and weak, intermittent, or no radio reception.
Explain the operation and uses of the scan (Scan Tools) equipment in
communicating with automotive and personal computers.
Download file(s) from a remote computer to a local computer and/or Scan tool
using a communications program to reprogram an automotive computer.
Explain the operation of the automotive cellular phone system
Diagnose body electronic system circuits using a scan tool; determine necessary
action.
Check for module communication errors using a scan tool.
Diagnose electrical/electronic integrity for series, parallel and series-parallel circuits
using principles of electricity (Ohm’s Law).
Repair automotive wiring harnesses and connectors following OEM procedures.
Explain the use of oscilloscopes in the understanding and diagnosis of
automotive electronic circuits.
Diagnose automotive electronic circuits using oscilloscopes.
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Year 2: A5 Brakes: 65 HOURS
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Explain friction, force, inertia, momentum, speed, work, torque, and power.
Apply these terms to automotive brake systems.
Define basic brake requirements.
Explain the effects of weight and speed on braking and stopping distance.
Explain thermal expansion of fluids, gases, and solids.
Explain energy, heat, temperature, and pressure and how they relate to
automotive braking.
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Identify the thermodynamic principles that apply to automotive braking.
Explain the energy conversion of motion changed to heat energy.
Explain Newton’s laws of motion and identify which concepts of mass, force, and
acceleration apply to automotive braking.
Define the coefficient of friction.
Interpret how the laws of hydraulics apply to automotive brake systems.
Identify the different types of master cylinders and explain their operation.
Identify the components and types of parking brakes and explain their operation.
Explain the operation of the split brake system.
Identify the plumbing components of the brake system.
Identify foundation brake components and explain their operation
Explain atmospheric pressure and identify the relationship to the term vacuum.
Identify components and types of power assist units and explain their operation.
Identify the components of an antilock brake system (ABS) and explain system
operation.
Explain the operation of a wheel sensor
Identify and differentiate between the wheel sensors used by antilock brake
computers.
Describe the uses of the scan equipment in communicating with ABS computers.
Identify the types of Traction Control Systems and explain their operation.
Identify traction control system components.
Define the characteristics of liquids.
Explain the properties of automotive brake fluid.
Identify the terms associated with automotive brake fluid and explain their
definitions.
Identify the terms associated with automotive brake bleeding and explain their
definitions.
Identify and interpret brake system concern; determine necessary action.
Research applicable vehicle and service information, such as brake system
operation, vehicle service history, service precautions, and technical service
bulletins.
Locate and interpret vehicle and major component identification numbers (VIN,
vehicle certification labels, calibration decals).
Diagnose pressure concerns in the brake system using hydraulic principles
(Pascal’s Law).
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Diagnose poor stopping, pulling, or dragging caused by problems in the hydraulic
system; determine necessary action.
Diagnose poor stopping, noise, pulling, grabbing, dragging, or pedal pulsation
problems; determine necessary action.
Measure brake pedal height; determine necessary action.
Inspect brake lines, flexible hoses, and fittings for leaks, dents, kinks, rust,
cracks, bulging, or wear; tighten loose fittings and supports determine necessary
action.
Inspect, test, and replace components of brake warning-light system.
Diagnose wheel-bearing noises, wheel shimmy, and vibration problems;
determine necessary action.
Remove, clean, inspect, repack, and reinstall wheel bearings and replace seals;
reinstall hub and adjust wheel bearings.
Check parking brake cables and components for wear, rusting, binding, and
corrosion; clean, lubricate, or replace as needed.
Check parking brake operation; determine necessary action.
Replace wheel bearing and race.
Check master cylinder for internal and external leaks and proper operation;
determine necessary action.
Remove, bench bleed, and reinstall master cylinder.
Measure and adjust master cylinder pushrod length.
Fabricate and install brake lines (double-flare and ISO types); replace hoses,
fittings, and supports as needed.
Inspect, test, and replace metering (hold-off) proportioning (balance), pressure
differential, and combination valves.
Inspect, test, replace, and adjust height (load) sensing proportioning valve.
Check operation of brake stop light system; adjust and service as needed.
Remove the caliper assembly from mountings; clean and inspect for leaks and
damage to caliper housing; determine necessary action.
Clean and inspect caliper mounting and slides for wear and damage; determine
necessary action.
Disassemble and clean caliper assembly; inspect parts for wear, rust, scoring,
and damage; replace seal, boot, and damaged or worn parts.
Reassemble, lubricate, and reinstall caliper, pads, and related hardware; seat
pads, and inspect for leaks.
Remove and reinstall rotor.
Refinish rotor according to manufacturer's recommendations.
Adjust calipers with integrated parking-brake system.
Refinish brake drum.
Remove, clean, and inspect brake shoes, springs, pins, clips, levers,
adjusters/self-adjusters, other related brake hardware, and backing support
plates; lubricate and reassemble.
Remove and reinstall wheel cylinders.
Test pedal free travel with and without engine running; check power assist
operation.
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Check vacuum supply (manifold or auxiliary pump) to vacuum-type power
booster.
Inspect the vacuum-type power booster unit for vacuum leaks; inspect the check
valve for proper operation; determine necessary action.
Inspect and test hydro-boost system/accumulator for leaks and proper operation;
determine necessary action.
Observe antilock brake system (ABS) warning light(s) at start-up; determine if
further diagnosis is needed.
Inspect and test anti-lock brake system (ABS) components; determine necessary
action.
Diagnose poor stopping, wheel lock-up, abnormal pedal feel or pulsation, and
noise concerns caused by the antilock brake system (ABS); determine necessary
action.
Test, diagnose and service ABS speed sensors, toothed ring (tone wheel), and
circuits using a graphing multimeter (GMM)/digital storage oscilloscope (DSO)
(includes output signal, resistance, shorts to voltage/ground, and frequency
data).
Diagnose antilock brake system braking concerns caused by vehicle
modifications (tire size, curb height, final drive ratio, etc.).
Diagnose antilock brake system electronic control(s) and components using selfdiagnosis and/or recommended test equipment; determine necessary action.
Depressurize high-pressure components of the antilock brake system following
manufacturer’s recommended safety procedures.
Bleed the antilock brake system’s front and rear hydraulic circuits following
manufacturer’s recommended procedure.
Remove and install antilock brake system electrical/electronic and hydraulic
components following OEM procedures and specifications.
Year 2: A4 Suspension/Steering 70 HOURS
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Define the characteristics of liquids.
Identify the fundamental laws of hydraulics and conclude how they apply to the
operation of a power steering pump.
Identify the fundamental laws of hydraulics and conclude how they apply to the
operation of non-rack and rack and pinion power steering gears.
Explain the terms friction, force, inertia, lever, gear ratios, momentum, reduction,
overdrive, speed, work, torque, and power and how these science terms apply to
automotive technology
Identify the components of the integral non-rack and pinion power steering gear
and explain system operation.
Identify the components of the power rack and pinion steering system and
explain system operation.
Identify the components of a typical electronically controlled automotive steering
system and explain system operation.
Identify and interpret suspension and steering concern; determine necessary
action.
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Diagnose power steering fluid leakage; determine necessary action.
Remove and reinstall power steering pump.
Remove and reinstall power steering pump pulley; check pulley and belt
alignment.
Perform power steering system pressure and flow tests; determine needed
repairs.
Research applicable vehicle and service information, such as suspension and
steering system operation, vehicle service history, service precautions, and
technical service bulletins.
Diagnose power steering gear (non-rack and pinion) binding, uneven turning
effort, and looseness, hard steering, and fluid leakage concerns; determine
necessary action.
Diagnose power steering gear (rack and pinion) binding, uneven turning effort,
and looseness, hard steering, and fluid leakage concerns; determine necessary
action.
Diagnose, inspect, and adjust, repair or replace components of electronically
controlled steering systems; determine necessary action.
Inspect and replace pitman arm, relay (centerlink/intermediate) rod, idler arm and
mountings, and steering linkage damper.
Inspect and adjust (where applicable) front and rear steering linkage geometry
including parallelism and vehicle ride height.
Remove and replace manual or power rack and pinion steering gear; inspect
mounting bushings and brackets
Remove and replace power non-rack and pinion steering gear; inspect and
replace mounting bushings and brackets (includes vehicles equipped with air
bags and/or other steering wheel mounted controls and components).
Adjust manual or power non-rack and pinion worm bearing preload and sector
lash.
Explain the construction and operation of the energy absorbing steering column
Disable supplemental restraint systems (SRS) in accordance with original
equipment manufacturer’s (OEM) procedures.
Remove and replace steering wheel, center/time supplemental restraint system
(SRS) coil in accordance with original equipment manufacturer's (OEM)
procedures.
Diagnose steering column noises, looseness, and binding concerns (including tilt
mechanisms); determine necessary action.
Inspect and replace steering shaft U-joint(s), flexible coupling(s), collapsible
columns, steering wheels (includes steering wheels with air bags and/or other
steering wheel mounted controls and components).
Explain the operation of short/long-arm and strut front suspension systems and
distinguish between the two systems.
Differentiate between a compression-loaded and a tension-loaded ball joint.
Explain the function of springs and Hooke’s law.
Explain shock absorber operation and ratios.
Locate and interpret vehicle and major component identification numbers (VIN,
vehicle certification labels, calibration decals).
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Diagnose the causes of long- and short-arm and strut suspension concerns;
determine needed service and make corrections using the correct tool (s) and
OEM procedures.
Remove, inspect, replace, and adjust strut (compression/tension) rods and
bushings.
Remove, inspect, and replace stabilizer bar bushings, brackets, and links.
Remove, inspect, and install upper and/or lower ball joints.
Remove, inspect, and replace steering knuckle assemblies.
Remove, inspect, and replace short and long arm suspension system coil springs
and spring insulators.
Remove, inspect, replace, and adjust suspension system torsion bars; inspect
mounts.
Diagnose strut suspension system noises, body sway, and uneven riding height
concerns; determine necessary action.
Diagnose and service front and/or rear wheel bearings.
Identify and explain the basic characteristics of leaf, control arm, and strut-type
rear suspension systems.
Remove, inspect, and replace coil springs and spring insulators.
Remove, inspect, and replace transverse links, control arms, bushings, and
mounts.
Remove, inspect, and replace leaf springs, leaf spring insulators (silencers),
shackles, brackets, bushings, and mounts.
Remove, inspect, and replace MacPherson strut cartridge or assembly, strut coil
spring, and insulators (silencers).
Explain the operation of air-adjustable shocks
Identify the components of a typical electronically controlled automotive
suspension system and explain system operation.
Diagnose, inspect, and adjust, repair or replace components of electronically
controlled suspension systems; determine necessary action.
Explain the terms motion forces, inertia, momentum, and speed, and how these
science terms apply to automotive wheels and tires.
Define the terms: static balance, dynamic balance, tramping, and radial force
variation.
Explain automotive wheel rim design
Choose the appropriate types of measurement to measure wheel, tire, axle, and
hub runout; determine needed repairs.
Diagnose tire wear problems; determine necessary action.
Diagnose tire pull (lead) problem; determine necessary action.
Diagnose wheel/tire vibration, shimmy, and noise; determine necessary action.
Measure wheel, tire, axle, and hub runout; determine necessary action.
Explain the terms: caster, camber, thrust angle, and toe-in (turning radius) and
relate them to wheels, steering, and tires.
Explain steering axis inclination.
Explain the terms included angle, turning radius, and toe-out on turns, and relate
them to steering geometry.
Explain the difference between a 2-wheel and a 4-wheel alignment
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Differentiate between steering and suspension concerns using principles of
steering geometry (caster, camber, toe, etc).
Diagnose vehicle wander, drift, pull, hard steering, bump steer, memory steer,
torque steer, and steering return concerns; determine necessary action.
Perform prealignment inspection; perform necessary action.
Measure vehicle-riding height; determine necessary action.
Check and adjust front and rear wheel camber; perform necessary action.
Check and adjust caster; perform necessary action.
Evaluate and adjust front and rear wheel toe; center the steering wheel.
Check and adjust front wheel toe; adjust as needed.
Center steering wheel.
Check toe-out-on-turns (turning radius); determine necessary action.
Check SAI (steering axis inclination) and included angle; determine necessary
action.
Check and adjust rear wheel toe.
Check rear wheel thrust angle; determine necessary action.
Check for front wheel setback; determine necessary action.
Check front cradle (subframe) alignment; determine necessary action.
Year 2: A8 Engine Performance 190 HOURS
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Explain the combustion of a hydrocarbon
Explain atmospheric pressure and identify the relationship to the term vacuum.
Explain energy, heat, temperature, and pressure and how they relate to
automotive gasoline spark ignition engines.
Explain the thermal expansion of fluids and solids.
Differentiate among bore, stroke, and displacement.
Differentiate between volumetric and mass efficiency.
Explain Boyle’s law of constant temperature and Charles’s law of constant
volume.
Explain the Otto or four-stroke cycle of operation.
Explain the operation of an electronic fuel injection system including speed
density, mass airflow, airflow meter, throttle bodies, idle controls, and injectors.
Check fuel for contaminants and quality; determine necessary action.
Inspect and test cold enrichment system components; adjust or replace as
needed.
Inspect and test fuel injectors; clean and replace.
Identify and interpret engine performance concern; determine necessary action.
Inspect engine assembly for fuel, oil and coolant levels and leaks; determine
needed repairs.
Diagnose unusual engine noise or vibration problems; determine needed repairs.
Diagnose unusual exhaust color, odor, and sound; determine necessary action.
Perform engine absolute (vacuum/boost) manifold pressure tests; determine
necessary action.
Perform cylinder power balance test; determine necessary action.
Perform cylinder compression tests; determine necessary action.
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Perform cylinder leakage test; determine necessary action.
Diagnose engine mechanical, electrical, electronic, fuel, and ignition problems
with oscilloscope and/or engine diagnostic equipment; determine necessary
action.
Prepare 4- or 5-gas analyzer, inspect and prepare vehicle for test, and obtain
exhaust readings; interpret readings and determine necessary action.
Record information related to an exhaust emission inspection.
Explain the function and identify the use of a thermometer and a pyrometer.
Verify engine-operating temperature; determine necessary action.
Verify correct camshaft timing.
Adjust valves on engines with mechanical or hydraulic lifters.
Remove and replace timing belt; verify correct camshaft timing.
Inspect and test mechanical/electrical fans, fan clutch, fan shroud/ducting, air
dams, and fan control devices; perform necessary action.
Identify the different types and explain the operation of the Exhaust Gas
Recirculation (EGR) Valve and system.
Identify the different types and explain the operation of the Catalytic Converter.
Inspect the integrity of the exhaust manifold, exhaust pipes, muffler(s), catalytic
converter(s), resonator(s), tail pipe(s), and heat shield(s); perform necessary action.
Perform exhaust system backpressure test; determine necessary action.
Test the operation of turbocharger/supercharger systems; determine necessary
action.
Diagnose oil leaks and emissions and driveability problems resulting from
positive crankcase ventilation (PCV) failures.
Diagnose emissions and driveability problems caused by malfunctions in the
exhaust gas recirculation (EGR) system; determine necessary action.
Inspect, test, service and replace components of the EGR system, including EGR
tubing, exhaust passages, vacuum/pressure controls, filters and hoses; perform
necessary action.
Inspect and test electrical/electronic sensors, controls, and wiring of exhaust gas
recirculation (EGR) systems; perform necessary action.
Diagnose emissions and driveability problems resulting from malfunctions in the
secondary air injection and catalytic converter systems; determine necessary
action.
Inspect and test catalytic converter performance.
Explain the function and basic operation of a microprocessor and identify the
different types of automotive computer input and output signals.
Explain the following terms: read only memory (ROM), programmable read only
memory (PROM), keep alive memory (KAM), and random access memory
(RAM).
Differentiate between volatile and nonvolatile memory and explain the term
adaptive strategy.
Explain why an analog/digital (A/D) converter is necessary in an automotive fuelmanagement computer.
Describe and identify the two types of voltage signals produced by engine loadsensing devices.
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Inspect and test power and ground circuits and connections; service or replace
as needed.
Identify the different types of input sensors used by automotive computers and
explain their operation.
Differentiate between a digital and an analog signal.
Identify the different types of automotive computer output devices and explain
their operation.
Diagnose emissions and driveability problems resulting from malfunctions in the
evaporative emissions control system; determine necessary action.
Inspect and test components and hoses of evaporative emissions control system;
perform necessary action.
Interpret evaporative emission related diagnostic trouble codes (DTCs); determine
necessary action
Diagnose the causes of emissions or driveability concerns resulting from
malfunctions in the computerized engine control system with stored diagnostic
trouble codes.
Diagnose emissions or driveability concerns resulting from malfunctions in the
computerized engine control system with no stored diagnostic trouble codes;
determine necessary action.
Check for module communication errors using a scan tool.
Inspect and test computerized engine control system sensors, powertrain control
module (PCM), actuators, and circuits using a graphing multimeter (GMM)/digital
storage oscilloscope (DSO); perform necessary action.
Obtain and interpret scan tool data.
Access and use service information to perform step-by-step diagnosis.
Diagnose driveability and emissions problems resulting from malfunctions of
interrelated systems (cruise control, security alarms, suspension controls, traction
controls, A/C, automatic transmissions, non-OEM-installed accessories, or similar
systems); determine necessary action.
Identify the Clean Air Act Amendment and explain the OBD II provision.
Research applicable vehicle and service information, such as engine management
system operation, vehicle service history, service precautions, and technical service
bulletins.
Locate and interpret vehicle and major component identification numbers (VIN,
vehicle certification labels, and calibration decals).
Diagnose fuel-system-related problems, including hot or cold no starting, hard
starting, poor driveability, incorrect idle speed, poor idle, flooding, hesitation,
surging, engine misfire, power loss, stalling, poor mileage, dieseling, and
emissions problems on vehicles with injection-type fuel systems; determine
necessary action.
Practice recommended precautions when handling static sensitive devices.
Explain the primary and secondary ignition circuits and waveforms they generate.
Explain the operation of triggering devices (sensors), such as, Pick-up Coils,
Hall-effect switches, PM Generators, Optical Pick-ups, and Magneto Resistive
(MR).
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67.
68.
69.
70.
71.
72.
Diagnose ignition system related problems such as no-starting, hard starting,
engine misfire, poor driveability, spark knock, power loss, poor mileage, and
emissions concerns on vehicles with electronic ignition (distributorless) systems;
determine necessary action.
Diagnose ignition system related problems such as no-starting, hard starting,
engine misfire, poor driveability, spark knock, power loss, poor mileage, and
emissions concerns on vehicles with distributor ignition (DI) systems; determine
necessary action.
Inspect and test ignition primary circuit wiring and solid-state components; perform
necessary action.
Inspect and test ignition coil(s); perform necessary action.
Read and interpret engine oscilloscope patterns
Inspect and test ignition system pick-up sensor or triggering devices; perform
necessary action.
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