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Capacitacin ComercialSistema Elctrico y ElectrnicoCentury Class/Columbia

Marzo 2004

PLD - VCU

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Marzo 2004

55 Pin

Connection for

Engine Harness Wiring Plug 16 Pin

Connection for Cab Wiring Plug Power Supply Grounds CAN Link Diagnostics

Control Module ( PLD ) Pump Line Nozzle

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Marzo 2004

Valve Clearance Spec. Intake 0.40mm ( approx .016 inch )

Exhaust 0.60mm ( approx. 024 inch )

Valve Clearance Adjustment

3

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Marzo 2004

Todos los Sistemas Electrnicos han sido Desarrollados porMercedes-Benz en Cooperacin con VDO y Temic

Introducido en 1995

Minimo 2 sistemas de cajas

Sistema de Control Electrnico

Mercedes-Benz

4

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Marzo 2004

PLD (Engine Control Module)

VCU (Vehicle Control Unit)

Modulos de Control

5

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Marzo 2004

Menor Cantidad de Circuitos de la Cabina al Motor.

Menor longitud de Circuitos en el Vehiculo.

Programacin del Vehiculo en base a las Necesidades del Cliente.

Parametrizacin Simplificada.

Responsabilidades Definidas por unidades de Control.

Diagnstico Simplificado y Solucin de Problemas.

Sistema Mercedes-Benz

6

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Marzo 2004

Engine Protection

Engine Diagnostics

Reduced Maintenance

Improved Engine Governing

Fuel Economy Optimization

Enhanced Cold Starting

Smoke Control

Reduced Emission Levels

Electronic Engine Advantages

7

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Marzo 2004

Presin/Temperaturade Aceite

Temperatura de Refrigerante

Presion/Temp. del Turbo

Presin Atmosferica

Temperatura deCombustible

Bombas Unitarias

PLD

Sensor de Arbolde Levas

Sensor de

Cigeal

Localizacin de Sensores MBE4000

8

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Marzo 2004

Nunca arrancar el motor a menos que las baterias esten correctamente conectadas.

Nunca desconecte las Baterias cuando el motor esta trabajando.

Nunca invierta las terminales. Esta accin puede daar a las ECUs.

Nunca conecte desconecte el conector del PLD VCU a menos que la llave este apagada.

Nunca desconecte los cables CAN a menos que la llave este en la posicin de apagado.

Cuando desconecte las terminales de las baterias mantega los cables + y - de la bateria juntos. Tambien desconecte los conectores electricos del

PLD y VCU.

Cuando realice reparaciones electrnicas simpre utilice el equipo correcto (Multimetro).

Seguridad y precauciones Preliminares

9

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Marzo 2004

Operates on 5 Volts for All D.C. Sensors

.25 4.75

Rangode Operacin

Normal

0 5

Rango de Operacin de Trabajo de los sensores

10

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Marzo 2004

Conector de 55 Terminales

Harnes del Motor

Conector # N3

Conector de Cabina

16 Terminales

Conector # EC 1

Alimentacin de Bateria

Seal de Ignicion

Tierra

Cables CAN

Modulo de Control Electrnico (PLD)

11

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Capacitacin Comercial

Sistema Elctrico y ElectrnicoCentury Class/Columbia

Marzo 2004

Procesador Montado en el Motor

Funciones

Strategia

Entradas de Sensores

Salidas El Corazn del (PLD)

SIEMENS C167CR chip

Procesador Automotriz de Alta Velocidad

16 Bit Micro controller

34 MHZ Clock Speed OBD II (On Board Diagnostic II)

(Engine Performance Codes)

PLD

12

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Marzo 2004

8 BIT = 256 SEGMENTS 256 Possible Codes

.01953125 VOLTS

16 BIT = 65,536 SEGMENT 65,536 Possible Codes

.0000762939453125 VOLTS

Up to 34 MILLION Decisions Per Second

8 BITS

16 BITS

Ejemplo:

256 Segments

Informacin (PLD)

13

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Marzo 2004

Harnes del Motor

14

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Marzo 2004

Pin 1 Pin 18

Pin 0 Pin 36

Pin 37 Pin 54Pin 19

Conector de 55 Terminales ( Harnes del Motor )

15

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Marzo 2004

EngineControl

Module(PLD)

Crank Angle

TDC Sensor

Diagrama Esquematico de un Sistema MBE

16

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Marzo 2004

Crank Angle and TDC Sensors

17

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Marzo 2004

Crank Angle / TDC Magnetic pickup sensors generate alternating current (A.C.).

The frequency will change dependent on the speed of the Cam Gear and Flywheel

Flywheel has 37 Drilled Holes 36 holes spaced 10 degrees apart

1 hole 65 degrees before TDC

Cam Gear has 13 Drilled Holes 1 hole 55 degrees before TDC

12 holes spaced 30 degrees apart

Sensor de Cigeal y Arbol de Levas

18

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Marzo 2004

Series - 900 Series - 4000

Volante

19

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Marzo 2004

Operating Temperature

- 40 to 250 F

Resistance Range

1000 - 1385 ohms

1) Electric Cable

2) Housing

3) Clamping Bushing

4) Permanent Magnet

5) Permanent Magnet

6) Coil Core

7) Drilling

Sensores de Posicin Sincronizacin

20

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Marzo 2004

Sensor de Cigeal

21

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Marzo 2004

Sensor de Arbol de Levas TDC

22

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Marzo 2004

Camshaft

Signal

CrankshaftSignal

55 GradosAntes del PMS

23

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Marzo 2004

Seal de Velocidad del Motor

24

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Marzo 2004

Seal de Arbol de Levas TDC

25

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Marzo 2004

Inicio de Inyeccin

26

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Marzo 2004

Seal de Cigeal TDC

27

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Marzo 2004

Seal de Velocidad del Motor en el Arbol

de Levas

28

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Marzo 2004

Inico de la Inyeccion en el Arbol de Levas

en Ausencia de la seal del Cigeal

29

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Marzo 2004

EngineControlModule(PLD)

Crank Angle

TDC Sensor

Turbo Boost

Air Temp

Schematic Diagram MBE System

30

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Marzo 2004


- 40 to 266 degrees F

Resistances

14 F 7980 to 10560 ohms

68 F 2280 to 2750 ohms

176 F 290 to 365 ohms

Values

0.5 volts = 0.5 bar

4.5 volts = 3.5 bar 1 Bar = 14.5 PSI

Turbo Boost / Air Temp Sensor

31

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Marzo 2004


32

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Marzo 2004


33

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Marzo 2004

Intake Air Sensor

34

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Marzo 2004

-22 -4 32 68 104 140 176 212 248 284 *F

Intake Air Pressure / Temp Sensor Curve

35

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Marzo 2004


Crank Angle

TDC Sensor

Turbo Boost

Air Temp

Coolant Temp

Sistema Esqumatico MBE

36

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Marzo 2004

Thermistor

As the Temperature increases theresistance decreases


- 40 to 266 F

The Temperature Sensors are the SamePart Number for

Coolant Temp

Fuel Temp

Oil Temp

New Type

Sensores de Temperatura

37

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Marzo 2004

The Coolant Temperature Sensor is the Base Line Sensor for EnginePerformance.

The Coolant Temperature should Be Between 80 and 95 Degrees C( 176 to203 Degrees F ) Before requesting Full Engine Potential.

Coolant Temperature OutsideNormal Operating Range can

Result in a Reduction in Power.

Coolant Temperature Sensor

38

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Marzo 2004

Coolant Temperature Sensor

39

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Marzo 2004


Crank Angle

TDC Sensor

Turbo Boost

Air Temp

Coolant Temp

Fuel Temp


40

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Marzo 2004

Fuel Temperature Sensor

41

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Marzo 2004

Fuel Temperature Sensor

42

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Marzo 2004

Temperature Sensor Graph

43

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Marzo 2004

EngineControl

Module(PLD)

Crank Angle

TDC Sensor

Turbo Boost

Air Temp

Coolant Temp

Fuel Temp

Oil Pressure


44

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Marzo 2004

Piezoelectric Sensor

As The Pressure Increases TheResistance also Increases

Operating Range 0 to 5 bar

1 Bar = 14.5 PSI

Oil Pressure Sensor

45

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Marzo 2004

Oil Pressure Sensor

46

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Marzo 2004

EngineControl

Module(PLD)

Crank Angle

TDC Sensor

Turbo Boost

Air Temp

Coolant Temp

Fuel Temp

Oil Pressure

Oil Temp


47

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Marzo 2004

Oil Temperature Sensor

48

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Marzo 2004

Oil Pressure / Temp Sensor

49

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Marzo 2004

Oil Pressure / Temperature Sensor

50

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Marzo 2004

Oil Pressure / Temp Sensor curve

51

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Marzo 2004

EngineControl

Module(PLD)

Crank Angle

TDC Sensor

Turbo Boost

Air Temp

Coolant Temp

Fuel Temp

Oil Pressure

CANOil Temp


52

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Marzo 2004

The Term CAN (Controller area Network) Means that the control unitsin the vehicle are interlinked (Bus System)

Can Wires are Twisted to reduce Electromagnetic Interference

PLD VCU

CAN HIGH

CAN LOW

CAN Connection

53

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Marzo 2004

CAN - LOW

CAN - HIGH

CAN - Proprietary Data Link

54

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Marzo 2004

EngineControl

Module(PLD)

Crank Angle

TDC Sensor

Turbo Boost

Air Temp

Coolant Temp

Fuel Temp

Oil Pressure

CANBattery / Ignition +-

Battery

Oil Temp


55

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Marzo 2004

12 Volt System

Battery

12 Volts

+ -

Power Supply

56

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Marzo 2004

Battery Ground KL31

Battery

Grounds(KL 31)(T 31)

Ignition

(KL 15)(T 15)Battery Supply(KL 30)(T 30)

CAN HighCAN LOW

PLD Power Supply

57

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Marzo 2004

EngineControl

Module(PLD)

Crank Angle

TDC Sensor

Turbo Boost

Air Temp

Coolant Temp

Fuel Temp

Oil Pressure


Battery

Atmospheric Pressure

Oil Temp


58

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Marzo 2004

Atmospheric Pressure Sensor

59

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Marzo 2004

EngineControl

Module(PLD)

Crank Angle

TDC Sensor

Turbo Boost

Air Temp

Coolant Temp

Fuel Temp

Oil Pressure


Battery

Diagnostics

Atmospheric Pressu

Oil Temp


60

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Marzo 2004

Hand Held Readers

Minidiag 2

Pro-Link 9000 (DDR)

Diagnostic Software(Case Point)

Case Base Diagnostics

Diagnostics

61

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Marzo 2004

Pin-outs for On-highway Cable

6 Pin Deutsche Connector

C 12V

E Ground

A Data Link +

B Data Link -

Diagnostic Socket

62

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Marzo 2004

Pin-outs for On-highway Cable

9 Pin Deutsche Connector

A Ground

B 12 Volts

C J1939 +

D J1939 -

E J1939 Shield

F J1587 +

G J1587

H Plug

I Plug

Diagnostic Socket

63

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Marzo 2004

EngineControl

Module(PLD)

Crank Angle

TDC Sensor

Turbo Boost

Air Temp

Coolant Temp

Fuel Temp

Oil Pressure


Battery

Diagnostics

Atmospheric Pressu

Oil Level

Oil Temp


64

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Marzo 2004

Oil Level Sensor

65

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Marzo 2004

Oil Level Sensor

66

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Marzo 2004

EngineControl

Module(PLD)

Crank Angle

TDC Sensor

Turbo Boost

Air Temp

Coolant Temp

Fuel Temp

Oil Pressure

Unit Pumps


Battery

Diagnostics

Atmospheric Pressu

Oil Level

Oil Temp


67

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Marzo 2004

Series 900 Engine

1 Part # All Power Ranges

No cal Codes

Series 4000 Engine

1 Part # All Power Ranges

No cal Codes

Unit Pumps

68

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Marzo 2004

IRT Impact Response Time - Length of Time in (ms)

required to close the Control Valve

Normally 1.2 to 2.1 milliseconds (ms) (1200 to 2100 microseconds (us)

PW Pulse Width - Degrees of Crankshaft Rotation whenFuel is Injected

Injection Pressure(S-900) 1600 Bar / 23,200 PSI(S-4000) 1800 Bar / 26,300 PSI

Injection Terminology

69

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Marzo 2004

Impact Response Time

70

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Marzo 2004

Suction Stroke PreStroke

Delivery Phases of Unit Pump

71

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Marzo 2004

Delivery Stroke Residual Stroke

Delivery Phases of Unit Pump

72

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Capacitacin ComercialSistema Elctrico y Electrnico

Century Class/Columbia

Marzo 2004

1 2 3 4

5 6

Injector Wiring

73

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Marzo 2004

EngineControl

Module(PLD)

Crank Angle

TDC Sensor

Turbo Boost

Air Temp

Coolant Temp

Fuel Temp

Oil Pressure

Unit Pumps

CAN

Battery / Ignition +-Battery

Diagnostics

Atmospheric Pressu

Oil Level

Oil Temp


74

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Marzo 2004

CAN

QuantityStart of

Delivery

Coolant

Temp Oil PressureTurbo Boost

& Inlet Temp

Fuel

Temp

Crankshaft

Sensor

TDC Cam

SensorOil Pressure

& Oil TempOil Temp

MBE Engine Control System

75

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Marzo 2004

VehicleControl

Unit(VCU)

CAN

(VCU) Vehicle Control Unit

76

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Marzo 2004

All Switches

On the Chassis or in the Cab

Will be Wired to the (VCU)


77

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Marzo 2004

Vehicle

ControlUnit(VCU)

CANFoot Pedal

Speedometer

Air Filter Sensor

PTO

Tachometer

Oil pressure

Coolant Level Sensor

Coolant Temp

Engine Brake Switch

Neutral Switch

Ambient Air Temp

Battery Voltage

Clutch Pedal Sensor

Ignition Switch

Grid Heater

Cruise Control

Diagnostics

Brake Switch

Air Conditioning

ABS

Engine Shutdown override


78

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Marzo 2004

(PLD)Pump Line Nozzle

Wiring / Pin Assignments

79

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Marzo 2004

55 PinConnection for

Engine Harness

Wiring Plug # N3

16 Pin

Connection for Cab

Wiring Plug # EC 1

Power Supply

Ignition

Ground

CAN Link

(PLD) Pump Line Nozzle

80

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Marzo 2004

Pin 1 CAN High Pin 2 CAN Low

Pin 3 CAN Ground

Pin 4 CAN Ground

Pin 5 Battery Voltage


Pin 7 N/A Pin 8 Starter Control Signal

Pin 9 Battery Ground

Pin 10 Proportional Valve 1-4

Pin 11 Battery Ground

Pin 12 Starter

Pin 13 Diagnostic Line Pin 14 Proportional Valve 3

Pin 15 Ignition

Pin 16 Proportional Valve 4

1. Input / Output2. Input / Output

3. Input

4. Input

5. Input

6. Input

7. N/A8. Input

9. Input

10. Output

11. Input

12. Output

13. Input / Output14. Output

15. Input

16. Output

(EC 1) 16 Pin Connector

81

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Marzo 2004

(N 3) 55 Pin Connector

82

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Marzo 2004

(N 3) 55 Pin Connector

83

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Marzo 2004

Engine Sensor Harness

Wiring / Pin Assignments

84

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Marzo 2004

85

Sist. Electrnico MBE 4000

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Marzo 2004

86

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Marzo 2004

Fig. 287

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Marzo 2004Fig. 3

88

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Marzo 2004Fig. 4

89

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Marzo 2004

Fig. 5

90

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Marzo 2004

(VCU) Vehicle Control Unit Wiring / Pin Assignments

91

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Marzo 2004

15 Pin

18 Pin

21 Pin

VC-1VC-3VC-4


92

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Marzo 2004

1= 21 pin (VC-1)2= 18 pin (VC-3)3= 15 pin (VC-4)4= VCU Module


Connectors

93

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Marzo 2004

VCU/Columbia/Century

94

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Marzo 2004


Pin 2 Ignition

Pin 3 Ground

Pin 4 Oil Level Lamp

Pin 5 Stop Engine Lamp

Pin 6 Check Engine Lamp

Pin 7 Flame Start Lamp

Pin 8 Air Filter Lamp

Pin 9 Throttle Supply (Pedal Analog)

Pin 10 Boot Mode

Pin 11 Throttle Signal

Pin 12 Idle Validation 2

Pin 13 Idle Validation 1

Pin 14 Throttle Ground (Pedal & Remote)

Pin 15 Service Brake

Pin 16 Park Brake

Pin 17 J1708 +

Pin 18 J1708 - Pin 19 CAN High (J1939)

Pin 20 CAN Ground (J1939)

Pin 21 CAN Low (J1939)

1. Input

2. Input3. Input

4. Output

5. Output

6. Output

7. Output

8. Output

9. Output

10. Input

11. Input

13. Input

14. Output

15. Input

16. Input

17. Input / Output

18. Input / Output19. Input / Output

20. Input / Output

21. Input / Output

(VCU 1) 21 Pin Connector

95

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Marzo 2004

Pin 1 Accessory Bus Shutdown Pin 2 Clutch Switch 1

Pin 3 Ground for Idle Validation Switch

Pin 4 Cruise Control (Set)

Pin 5 Cruise Control (Resume)

Pin 6 Cruise Control( on/off)

Pin 7 Throttle Select

Pin 8 Engine Brake (Low)

Pin 9 Engine Brake (High) Pin 10 Limiter 1 (Remote PTO)

Pin 11 Limiter 2 (Engine Rating)

Pin 12 Dual Road Speed Limit

Pin 13 Engine Shutdown Override

Pin 14 Air Conditioning (Fast Idle.Fan)

Pin 15 Fan Override

Pin 16 Throttle Inhibit

Pin 17 5 Volts Supply Remote (PTO) Pin 18 Remote Signal (PTO)

1. Output2. Input

3. Input

4. Input

5. Input

6. Input

7. Input

8. Input9. Input

10. Input

11. Input

12. Input

13. Input

14. Input

15. Input16. Input

17. Input

18. Output


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Marzo 2004

Pin 1 Transmission Neutral Pin 2 Dual Speed Axle

Pin 3 Vehicle Speed Sensor

Pin 4 Vehicle Speed Sensor GRD

Pin 5 Gear Out 1

Pin 6 Gear Out 2

Pin 7 Coolant Level Pin 8 Air Filter Sensor

Pin 9 Flame Start Valve

Pin 10 Flame Start Gate (Grid Heater)

Pin 11 Oil Level Lamp

Pin 12 Starter Lock Out

Pin 13 High Speed CAN (MB)

Pin 14 CAN Ground (MB)

Pin 15 Low Speed Can (MB)

1. Input2. Input

3. Input

4. Input

5. Input

6. Input

7. Input8. Input

9. Output

10. Output

11. Output

12. Output

13. Input / Output

14. Input / Output

15. Input / Output


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Marzo 2004

15 Pin

18 Pin

21 Pin

( VCU )

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Marzo 2004

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Marzo 2004

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Marzo 2004

PLD

VCU

Diagnostic Toolsor Other Controllers

Inputs

Inputs

Outputs

Outputs

SAE J1939( 9 Pin Connector )

( CAN High )

SAE J1587( 6 Pin Connector )

( Serial )

Proprietary Data Link

( CAN Low )

ICU

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Marzo 2004

La lampara se iluminar cuando el motor se encuentre trabajando mientras se esta conduciendo cuando una falla es detectada en elsistema de PLD or VCU.

Lampara de Check Engine

Lampara de Stop Engine

Proteccin del Motor

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Marzo 2004

Lampara de Check Engine ( On )

El motor disminuir a 1300 rpm por las siguientesfallas.

High Oil Level

Low Oil Level

Low Oil Pressure

Coolant Temperature High

High Oil Temperature

Proteccin de Motor (Disminucin)

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Marzo 2004

Check Engine Light ( On )

Engine will Shut Down for the Following Faults.

Very High Coolant Temperature

Low Coolant Level

Very Low Oil Pressure

Stop Engine Light ( On )

Engine Protection (Shutdown)

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Marzo 2004

All Fault Codes are Eight Digits

Example of Fault Code

128 021 03 128 = Message Identifier ( MID )

021 = Parameter ID ( PID )

03 = Failure Mode ID ( FMI )

128 021 03 = Crankshaft Position Sensor Open Circuit

Fault Codes

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Marzo 2004

What is a Performance Code?

A Mechanical Failure ( Non Electrical )

A Performance Fault Code will be Logged when the EngineElectronics sees a Value 25 Percent above the NormalEngine Operational Values Calculated in the PLD.

Performance Fault Codes

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Marzo 2004

SAE J1587 Message Format

Message Identifier ( MID )

Parameters ID ( PID ) Failure Mode ID ( FMI )

PLD & VCU ( One Common MID = 128 )

PLD - Assigned SID = 233 VCU - Assigned SID = 254

Communication and Diagnostics

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Marzo 2004

Diagnostic Trouble Code( s ) MID ( Message Identifier )

PID / SID for J1587 ( PID ) Parameter ID

( SID ) System ID

FMI ( Failure Mode Identifier ) 0 - Parameter High

1 - Parameter Low

3 - Circuit High Voltage 4 - Circuit Low Voltage


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Marzo 2004



( SID ) System ID


1 - Parameter Low



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Marzo 2004



( SID ) System ID


1 - Parameter Low



8/4/2019 Sist_Elect_906_4000

111/112



Marzo 2004



( SID ) System ID


1 - Parameter Low



8/4/2019 Sist_Elect_906_4000

112/112



( SID ) System ID


1 - Parameter Low



Documents

Sist_Elect_906_4000