Question 1

What is the Bosch Departronic system?

Accepted Answer

A)  Common rail (CR) fuel injection 
B)  Exhaust gas recirculation (EGR) 
C)  Diesel particulate filter (DPF) 
D)  Selective catalytic reduction (SCR) 
A)  Common rail (CR) fuel injection 
B)  Exhaust gas recirculation (EGR) 
C)  Diesel particulate filter (DPF) 
D)  Selective catalytic reduction (SCR) C

Question 2

What is the common means of actuating Bosch fuel injection components by EDC drivers?

Accepted Answer

A)  PWM signals 
B)  pneumatics 
C)  hydraulics 
D)  Hall-effect signals 
A)  PWM signals 
B)  pneumatics 
C)  hydraulics 
D)  Hall-effect signals A

Question 3

Technician A says that the EPA MY 2010 Cummins ISB engine uses a Bosch CR fuel system. Technician B says that only Cummins InSite electronics can properly troubleshoot Cummins ISB engines regardless of chassis application. 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. A

Question 4

What is the term used by Bosch to describe their computerized diesel engine management systems?

Accepted Answer

A)  Electronic diesel control (ED
C)  
B)  Engine electronic control (EE
C)  
C)  Electronic control system (ECS) 
D)  Bosch control system (BCS) 
A)  Electronic diesel control (ED
C)  
B)  Engine electronic control (EE
C)  
C)  Electronic control system (ECS) 
D)  Bosch control system (BCS)

Question 5

Technician A says that Bosch fuel injection systems have been used by almost every North American engine manufacturer. Technician B says that Bosch engineers EDC to interface with OEM management software. 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

What does the CR acronym mean in a Bosch fuel system?

Accepted Answer

A)  Computer Regulated 
B)  Common Rail 
C)  Control Rack 
D)  Company Registered 
A)  Computer Regulated 
B)  Common Rail 
C)  Control Rack 
D)  Company Registered

Question 7

Technician A says that Bosch was one of the original architects of the CAN 2.0 data bus system on which J1939 is based. Technician B says that Bosch and Intel partnered in the development of CAN 2.0. 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 8

Technician A says that a black 9-pin J1939 connector may be used to access Cummins ISB electronics when the engine is installed in a Dodge chassis. Technician B says that a J1962 ALDL may be used to access ISB electronics in some chassis applications. 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 9

Technician A says that when an engine OEM uses a Bosch fuel injection system, Bosch service information software must be used to access engine datA.Technician B says that when an engine OEM uses a Bosch fuel injection system, Bosch diagnostic software must be used to troubleshoot engine problems. 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 10

What is the Bosch Denoxtronic system?

Accepted Answer

A)  Common rail (CR) fuel injection 
B)  Exhaust gas recirculation (EGR) 
C)  Diesel particulate filter (DPF) 
D)  Selective catalytic reduction (SCR) 
A)  Common rail (CR) fuel injection 
B)  Exhaust gas recirculation (EGR) 
C)  Diesel particulate filter (DPF) 
D)  Selective catalytic reduction (SCR)

Exam 42: Bosch Edc Systems

What is the Bosch Departronic system?

What is the common means of actuating Bosch fuel injection components by EDC drivers?

Technician A says that the EPA MY 2010 Cummins ISB engine uses a Bosch CR fuel system. Technician B says that only Cummins InSite electronics can properly troubleshoot Cummins ISB engines regardless of chassis application. Who is right?

What is the term used by Bosch to describe their computerized diesel engine management systems?

Technician A says that Bosch fuel injection systems have been used by almost every North American engine manufacturer. Technician B says that Bosch engineers EDC to interface with OEM management software. Who is right?

What does the CR acronym mean in a Bosch fuel system?

Technician A says that Bosch was one of the original architects of the CAN 2.0 data bus system on which J1939 is based. Technician B says that Bosch and Intel partnered in the development of CAN 2.0. Who is right?

Technician A says that a black 9-pin J1939 connector may be used to access Cummins ISB electronics when the engine is installed in a Dodge chassis. Technician B says that a J1962 ALDL may be used to access ISB electronics in some chassis applications. Who is right?

What is the Bosch Denoxtronic system?

Introduction

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History of the Heat Engine

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Servicing and Maintenance

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Diesel Fuel Characteristics

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Fuel Injection Basics and Governor Principles

Injector Nozzles

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