Question 1

What is Caterpillar ID?

Accepted Answer

A)  engine identification 
B)  software identification 
C)  driver information display 
D)  driver identity software 
A)  engine identification 
B)  software identification 
C)  driver information display 
D)  driver identity software C

Question 2

What type of signal is produced by the throttle position sensor used by Caterpillar ADEM managed engines?

Accepted Answer

A)  mechanical 
B)  V-DC 
C)  V-AC 
D)  PWM 
A)  mechanical 
B)  V-DC 
C)  V-AC 
D)  PWM D

Question 3

What is used to ensure that Caterpillar ADEMS non-volatile RAM (NV-RAM) is not lost should the vehicle batteries become disconnected?

Accepted Answer

A)  internal ECM battery 
B)  capacitor 
C)  EEPROM back up 
D)  pulse generator 
A)  internal ECM battery 
B)  capacitor 
C)  EEPROM back up 
D)  pulse generator A

Question 4

When Caterpillar fuel injector actuators are energized by the ECM drivers, voltage peaks at:

Accepted Answer

A)  5 V-DC 
B)  8 V-DC 
C)  12 V-DC 
D)  + 108 V-DC 
A)  5 V-DC 
B)  8 V-DC 
C)  12 V-DC 
D)  + 108 V-DC

Question 5

Technician A says that a flash memory chip may not be removed from a current Caterpillar ADEM ECM. Technician B says that the ADEM flash memory chip can be flashed with new programming. Who is right?

Accepted Answer

A)  Technician A only 
B)  Technician B only 
C)  Both A and B 
D)  Neither A nor B 
A)  Technician A only 
B)  Technician B only 
C)  Both A and B 
D)  Neither A nor B

Question 6

Which of the following will immediately trigger the Caterpillar ADEM diagnostic recorder?

Accepted Answer

A)  driver toggle switch 
B)  engine shutdown 
C)  connecting an EST 
D)  fault code 
A)  driver toggle switch 
B)  engine shutdown 
C)  connecting an EST 
D)  fault code

Question 7

Which of the following is true concerning the Caterpillar ADEM personality module in engines built since EPA MY 2004?

Accepted Answer

A)  not reprogrammable 
B)  cannot be separated from the ADEM ECM 
C)  contains the master program for engine management 
D)  no longer required in Cat ADEM 
A)  not reprogrammable 
B)  cannot be separated from the ADEM ECM 
C)  contains the master program for engine management 
D)  no longer required in Cat ADEM

Question 8

What is another way of describing Caterpillar SoftCruise?

Accepted Answer

A)  closed loop, hard cruise 
B)  smart cruise 
C)  progressive shifting logic driven 
D)  autopilot 
A)  closed loop, hard cruise 
B)  smart cruise 
C)  progressive shifting logic driven 
D)  autopilot

Question 9

When Caterpillar use the term flash programming, what is being referred to?

Accepted Answer

A)  setting the injector codes 
B)  any reprogramming operation 
C)  downloading Cat ID info 
D)  uploading FIS info 
A)  setting the injector codes 
B)  any reprogramming operation 
C)  downloading Cat ID info 
D)  uploading FIS info

Question 10

What has to be used to read a Caterpillar code on the dash CEL?

Accepted Answer

A)  ignition key 
B)  cruise switches 
C)  stalk switch 
D)  diagnostic fork 
A)  ignition key 
B)  cruise switches 
C)  stalk switch 
D)  diagnostic fork

Exam 43: Caterpillar Engine Management Systems

What is Caterpillar ID?

What type of signal is produced by the throttle position sensor used by Caterpillar ADEM managed engines?

What is used to ensure that Caterpillar ADEMS non-volatile RAM (NV-RAM) is not lost should the vehicle batteries become disconnected?

When Caterpillar fuel injector actuators are energized by the ECM drivers, voltage peaks at:

Technician A says that a flash memory chip may not be removed from a current Caterpillar ADEM ECM. Technician B says that the ADEM flash memory chip can be flashed with new programming. Who is right?

Which of the following will immediately trigger the Caterpillar ADEM diagnostic recorder?

Which of the following is true concerning the Caterpillar ADEM personality module in engines built since EPA MY 2004?

What is another way of describing Caterpillar SoftCruise?

When Caterpillar use the term flash programming, what is being referred to?

What has to be used to read a Caterpillar code on the dash CEL?

Introduction

Hand and Shop Tools, Precision Tools, and Units of Measurement

Personal and Safety Awareness

Engine Basics

History of the Heat Engine

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Engine Feedback Assembly

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Engine Lubrication Systems

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Engine Breathing

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Diesel Engine Run- in and Performance Testing

Chemistry and Combustion

Diesel Fuel Characteristics

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Fuel Injection Basics and Governor Principles

Injector Nozzles

Port-Helix Metering Injection Pumps

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