atasa 5th diagnostic & specialty tools · tire _____ are used to reduce noise, vibration, and...

ATASA 5th Diagnostic & Specialty Tools

ATASA 5TH Study Guide

Chapter 5 Pages 99-133

Diagnostic & Specialty Tools

87 Points

Please Read The Summary

1. ___________ tools are used to check the performance of a system or a

component. Tools designed for a particular purpose or system are referred

to as ______________ tools.

Diagnostic, Specialty

Husky®, Craftsman®

Snap-on®, Kobalt®

2. A _____________ gauge, used to check cylinder compression has 10mm,

12mm, 14mm, or 18 mm threads to fit the spark plug hole or the glow plug

hole, in the case of a diesel engine.

Compression

Cylinder Leakage

Kilovolt

3. A _______________ __________ tester can be used to pinpoint the source

of a compression leak.

Compression

Cylinder Leakage

Kilovolt

4. Oil ____________ gauges can verify low pressure often due to excessive

engine bearing clearances.

Compression

Vacuum

Pressure

5. A _______________ amplifies sounds either mechanically or electronically.

Boroscope

Stethoscope

Microscope

6. Piston ring service tools include _______ __________, ring ____________,

ring ______________, and piston ring groove ____________.

Ring Ridge Reamers

Compressors,

Expanders,

Cleaners,

7. Dial bore gauges are an alternative to telescoping gauges and micrometers

for use in verifying cylinder _____ & ____ - __ - _______ in an engine block.

Taper, Out-of-Round

8. A cylinder ______ or _______ ___________ fit with 220 to 280 grit stones

can be used to restore cylinder wall crosshatch.

A __________ _______ is used to oversize an engine cylinder.

Glaze Breaker

Home Maker

Boring Bar

Rigid Hone

9. For servicing the engine valve train, _____ bearing driver sets, ___ - blocks

to support shafts while on the bench, valve ________ & valve ________

cutting equipment, valve _________ repair tools, a variety of valve spring

____________________, and valve spring testers are the specialty tools.

Cam Bearings, V-Blocks, Face & Seat, Guide, Compressors

10. A torque _________ ________ is needed for tightening torque-to-yield

fasteners like cylinder head bolts. These are one-time use fasteners that

stretch when incrementally tightened.

Angle Gauge

Stress Gauge

Twist Gauge

11. A _____________________ is a pressurized oil reservoir used to prime an

engine lube system.

Prelubricator

Preignitor

Premature

12. Cooling system specialty tools include: _______ testers used to find leaks,

refractometers, _________________, & pH testers used to determine

coolant freeze point & acidity.

Pressure, Hydrometers

13. The computer _____________ ___________ is a necessity if removing a

battery from a vehicle.

Battery Saver

Memory Saver

Station Saver

14. A 12-volt ___________ can locate voltage sources.

A _______________ light is used specifically on unpowered circuits to

locate opens. (continuity lights have their own power source)

12 Volt Test Light

Continuity Light

15. A digital __________ (DMM) has the capabilities of measuring resistance,

voltage drop & voltage available when connected in parallel, and amps

when connected in series or inductively.

NOTE: Ammeters can be connected either in series or with an inductive pickup.

Ammeters…meaning the ammeter function of a DMM

Ohmmeters are battery powered.

Never connect this meter to a live, powered up circuit!

Ohmmeters…meaning the ohmmeter function of a DMM

Multimeters may have either digital or analog displays.

DMM’s should have an input impedence of at least 10 megaohms

if they are to be used on automotive computer circuitry.

Note: Analog Bar Graph

Note: DMM’s can measure RPM, duty cycle (on-time %),

pulse width (on-time mSec), diode voltage drop,

and frequency (hertz or cycles per second).

16. Lab scopes display voltages in the form of a ________ or ______ on the

vertical axis and time, typically in milliseconds, on the horizontal axis.

Waveform, Trace

Pattern, Space

Function, Lace

www.picotech.com

NOTE: A lab scope is handy because it can find momentary electrical

disturbances called glitches, fall-outs or electrical noise

17. In an effort to identify circuit glitches, a ___________ multi-meter (GMM)

can be used.

Grocery

Graphing

18. Battery __________________ check state of charge. The VAT is fit with

meters and a carbon pile rheostat used to make battery load, cranking

amps draw, and charging system output tests.

Hydrometers

Potentiometers

Refractometers

19. Wire cutters, stripping tools, terminal ______________, connector picks,

heat guns, heat sinks, and soldering tools are all necessary for making

proper repairs to faulty wiring in vehicles.

Crimpers

Crampers

Smooshers

20. Headlight ___________ are used to obtain maximum illumination and the

proper night time view.

Tamers

Aimers

Reamers

21. A ______ ______ is a microprocessor designed to communicate with the

vehicle’s computers.

22. Through connection to the DLC, scan tools can read ______, play back

_________ ________ data, read input & output data, perform functional

tests, can troubleshoot & even access TSB’s.

DLC’s, Frost Frame

DTC’s, Freeze Frame

Data, Movies

23. An engine ______________ is a huge machine capable of performing many

diagnostic tests.

Analyzer

Computer

Scanner

24. Fuel system tools include __________ gauges, _________ balance testers,

________ lights to check injector pulses, EFI cleaning apparatus, line

disconnect tools, and pinch-off pliers.

Pressure

Injector

25.____________ (pressure lower than atmospheric), measured in Hg”

is a good indicator of engine load.

18 - 22 Hg” @ Idle

0- 5 Hg “ @ WOT

Vacuum

26. A vacuum _________ can apply vacuum to components to verify operation

and check for leaks.

28. Vacuum leaks can be pinpointed with _______________ leak detectors or

with smoke machines.

Ultrasonic

Supersonic

Megasonic

29. _________________ measure engine RPM. __________ lights are used to

check ignition timing.

Tachometers

Volt Meters

Dwell Meters

NOTE: An ADVANCE timing light can be used to verify the operation of spark

advance systems…vacuum, centrifugal, & electronic spark timing

30. A ________ tester can verify a no-spark condition.

A ________ probe is used for digital signals.

Spark, Logic

Spark, Test Light

Spark, Continuity

31. __________ sensor sockets, oil pressure switch sockets & spark plug

sockets are necessary tools.

Coolant

MAF & MAP

Oxygen

32. An ____________ _________ is worn as a wrist bracelet when handling

electronic modules.

Antistatic Strap

Anti Noise

Anti Aircraft

33. Hand-held digital ___________________ are handy for safely checking

very high temperatures.

Thermometer

*Pyrometer

Manometer

A pyrometer is a non-contacting device

that intercepts and measures thermal

radiation, a process known as pyrometry.

A thermometer is a device that measures temperature or

temperature gradient using a variety of different principles.

A thermometer has two important elements: the temperature

sensor (e.g. the bulb on a mercury-in-glass thermometer) in

which some physical change occurs with temperature, plus

some means of converting this physical change into a

numerical value (e.g. the visible scale that is marked on a

mercury-in-glass thermometer).

34. A five-gas analyzer measures _____, _____, _______, _______, & _____ in

the exhaust stream.

35. A ___________ dyno measures HP & torque at the wheels. An

____________ dyno is used in a test cell where it’s connected directly to

the engine crankshaft.

Chassis

Engine

36. Hybrid service equipment includes 1000 volt ____________ gloves and

CAT III – rated DMM’s.

Lion Tamer

Food Service

Lineman’s

37. Engine/transmission jacks and holding fixtures are necessary when

engine/trans ____________ have been loosened/removed for their

replacement or for service to other vehicle components.

Mounts

“Essential Service Tools”

Clutch, Universal, Angle

38. Drive line/transmission “______________ ________ _____” may include

axle pullers, __________ alignment tools, _______________ joint tools, &

drive shaft _________ gauges.

39. Automatic transmissions are diagnosed with scan tools, DMM’s &

hydraulic pressure _________.

Gauges

Filters

40. Tire pressure gauges, ______ depth gauges, power steering __________

gauges, and a variety of pullers for steering & suspension components

are essential service tools also.

Tread, Pressure

Tread, Angle

Tread, Torque

41. A _______/_______ compressor is needed to safely compress coil springs.

Strut/Spring

42. For checking caster, a ________ ________ depressor is necessary.

A ____________ wheel holder may be necessary for setting toe along with

steering wheel angle gauges & scan tools!

Clutch Pedal, Steering

Brake Pedal, Steering

Brake Pedal, Rear

43. Tire ____________ can dismount and mount tires off & on rims.

Tire _______________ are used to reduce noise, vibration, and harshness

by properly static & dynamically balancing tires.

Changers

Balancers

44. Wheel ____________ pliers/hammers and scrapers for “tape weights”

accompany tire balancers.

Weight

45. Brake systems service requires many specialty tools like ______ vacuum

cleaners or wet cleaning systems to capture brake dust, hold-down &

return spring tools, _____________ piston bottoming tools, drum brake

shoe adjusting tools, parking brake tools and brake cylinder hones.

HEPA, Caliper

FEMA, Caliper

OSHA, Caliper

High-Efficiency Particulate Air or

HEPA is a type of air filter

46. To service rigid brake line tubing, a tubing __________ & reamer, double

__________ tools, and tubing benders are recommended.

Flares on tubing can be single, double, or ISO metric bubble.

Cutter, Flaring

47. Disc & drum brakes are measured with _________________.

A shoe-set gauge is used to initially adjust shoe-to-drum clearance after

brake shoe replacement.

Micrometers

Multimeters

Carbon Piles

48. Brake _____________ are used to resurface both drums & rotors. They

can be ____ - _______ lathes or can be bench mounted, off-car machines.

Both are equipped with carbide tool bits.

Lathes, Mills, Drill Presses

On-Car, Below Grade, Elevated

49. Bleeder screw wrenches prevent rounding-off the hex on bleeder screws

during _______________ procedures. Pressure bleeders and vacuum

bleeders are alternatives to manual brake bleeding.

Weeding

Bleeding

Seeding

50. For AC service, a ________________ __________ _______ is used to

monitor system pressures.

Manifold Gauge Set

Heavy Duty Hose

Special Safety Stuff

51. Electronic leak ______________ and fluorescent leak ___________ (dyes)

are used to locate the source of refrigerant leaks.

Detectors, Tracers

52. Refrigerant sealant detectors and refrigerant _______________ are used

before AC service work.

Identifiers

53. Refrigerant is a substance controlled by federal & state laws _____/______

stations must be used during the recovery, evacuation, & recharging

processes on an AC system.

Recovery/Recycling

Note: Never use any type of test light to diagnose air bag(SIR/SRS) systems!

NOTE: A BREAKOUT BOX is connected in series with the PCM wiring to

allow DMM testing of individual circuits while they are under normal

operation w/o back-probing or opening harnesses

Blue = Modules on the CAN Bus Purple = DLC Yellow = Engine

Green = Outputs or Actuators Red = Sensors or Inputs Orange = MIL

Blue = Purple = Yellow =

Green = Red = Orange =

Engine Management

Engine

ECMEBCM TCM

SIR HVAC BCM

Inputs

Outputs

Ignition

Emission

Control

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