DAF XF105. Manual - part 74

0

©

 200528

1-1

DMCI engine management system

TECHNICAL DATA

XF105 series

1. DMCI ENGINE MANAGEMENT SYSTEM

1.1 POWER SUPPLY AND EARTH OF DMCI ELECTRONIC UNIT

A

C

B

i400726

1

4

5

9

13

17

21

25

29

33

37

41

45

49

53

57

60

62

A

Electronic unit connection point

B

Description of connection point

C

Reading at connection point (Ubat = battery voltage)

D

Measuring unit

E

Explanatory notes (if applicable)

F

Additional information available in Technical Data at "X" mark

A

B

C

D

E

F

B44

Power supply after ignition (G426)

Ubat

V DC

Ignition on

B57

Earth

< 0.5

VDC

Voltage loss measurement with 

as many consumers as possible 

switched on.

B58

Earth

< 0.5

VDC

Voltage loss measurement with 

as many consumers as possible 

switched on.

B59

Earth

< 0.5

VDC

Voltage loss measurement with 

as many consumers as possible 

switched on.

B60

Power supply before ignition (G126) Ubat

VDC

B61

Power supply before ignition (G126) Ubat

VDC

B62

Power supply before ignition (G126) Ubat

VDC

0

TECHNICAL DATA

1-2

©

 200528

DMCI engine management system

XF105 series

1.2 DMCI ELECTRONIC UNIT CAN CONNECTIONS

(1) Check the resistance by measuring at connection points B46 and B50 of the electronic unit.

(2) Check the resistance by measuring at connection points B45 and B53 of the electronic unit.

A

C

B

i400726

1

4

5

9

13

17

21

25

29

33

37

41

45

49

53

57

60

62

A

Electronic unit connection point

B

Description of connection point

C

Reading at connection point (Ubat = battery voltage)

D

Measuring unit

E

Explanatory notes (if applicable)

F

Additional information available in Technical Data at "X" mark

A

B

C

D

E

F

B27

V-CAN1-H

According to ISO 11898

B35

V-CAN1-L

According to ISO 11898

B42

V-CAN1 through connection

According to ISO 11898

B45

V-CAN2-H

According to ISO 11898

X

B46

V-CAN1 terminating resistance 

through connection

According to ISO 11898

X

B50

V-CAN1 through connection

According to ISO 11898

X

B53

V-CAN2-L

According to ISO 11898

X

B54

V-CAN1 terminating resistance 

through connection

According to ISO 11898

V-CAN1 terminating resistance

≥120 

(1)

V-CAN2 terminating resistance

≥120 

(2)

0

©

 200528

1-3

DMCI engine management system

TECHNICAL DATA

XF105 series

1.3 STATUS SIGNALS DMCI ELECTRONIC UNIT

A

C

B

i400726

1

4

5

9

13

17

21

25

29

33

37

41

45

49

53

57

60

62

A

Electronic unit connection point

B

Description of connection point

C

Reading at connection point (Ubat = battery voltage)

D

Measuring unit

E

Explanatory notes (if applicable)

F

Additional information available in Technical Data at "X" mark

A

B

C

D

E

F

B51

Input signal, service brake (G469)

Ubat

V DC

Brake pedal not operated

0

V DC

Brake pedal operated

0

TECHNICAL DATA

1-4

©

 200528

DMCI engine management system

XF105 series

1.4 ACCELERATOR PEDAL SENSOR

A

C

B

i400726

1

4

5

9

13

17

21

25

29

33

37

41

45

49

53

57

60

62

A

Electronic unit connection point

B

Description of connection point

C

Reading at connection point (Ubat = battery voltage)

D

Measuring unit

E

Explanatory notes (if applicable)

F

Additional information available in Technical Data at "X" mark

A

B

C

D

E

F

B33

Input signal accelerator pedal 

sensor (F672)

0.325 - 

0.500

V DC

Idling, accelerator pedal not operated 

(0%)

X

0.675 - 

0.875

V DC

Switching point idling switch (circa 10%) X

3.000 - 

3.400

V DC

Full load (circa 85%)

X

3.550 - 

4.265

V DC

Kickdown (circa 100%)

X

B34

Power supply, accelerator 

pedal sensor (F672)

5

V  DC

B37

Earth, accelerator pedal 

sensor (F672)

0

V  DC

B38

Accelerator pedal sensor 

earth, idling switch (F672)

0

V  DC

B41

Accelerator pedal sensor input 

signal, idling switch (F672)

5

V DC

Accelerator pedal not operated

X

0

V DC

Accelerator pedal operated circa 10%

X