Daf Ix Est41 Blockdiagram

EST 41

©452009 DAF Trucks N.V., Eindhoven, The Netherlands. In the interest of continuing product development, DAF reserves the right to change specifications or products at any time without prior notice. No part of this publication may be reproduced and/or published by printing, by photocopying, on microfilm or in any way whatsoever without the prior consent in writing of DAF Trucks N.V.

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452009

DAVIE

STRUCTURE series Structure

0 EST 41

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452009

1

EST 41 series

Contents

CONTENTS EST 41

Page 1.

2.

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DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Hydraulics diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 Key to block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-1 . . . . . 1-1 . . . . . 1-2 . . . . . 1-3 . . . . .

Date 452009 452009 452009 452009

LOCATION INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 . . . . . 452009 2.1 Location of electrical components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 . . . . . 452009 2.2 Location of hydraulic components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 . . . . . 452009

452009

1

1

EST 41 Contents

series

1

2

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452009

EST 41 series

Diagrams

1. DIAGRAMS 1.1 HYDRAULICS DIAGRAM

1

9

8

15 11 7

10

6

2 bar

14 12 16 5

4 13

3

17 2 1 V300969

Explanatory notes to hydraulics diagram 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17.

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Reservoir Oil filter Oil pump Oil pump pressure control valve Lock-up valve (B449) Lock-up selector valve Measuring point for lock-up closing pressure Restriction and non-return valve Lock-up Lock-up pressure control valve Torque converter Torque converter residual pressure valve Heat exchanger Retarder circuit selector valve Retarder Intarder proportional valve (B088) Air supply

452009

1-1

EST 41 Diagrams

series

1.2 BLOCK DIAGRAM

steering colomn switch

1010

C831 retarder diagnosis

resistor

UPEC D814

87

54

55

31

28

27

20

53

30

16

42

15

18

CAN network

11

Connector A021 2 1 9107

4051

29

44

52

3700J CAN-L

22

49

4883

I028

3701J CAN-H

4712 pos. 2

4713 pos. 3

4714 supply +

E351

B6

3417

B5

3420

B7

5148 V-constant OFF

B8

5147 V-constant SET

B9

4711 pos. 1

1234

B11

1381

1197

E199

B452

B453

B14

1010 E013

B521 oil temperature gauge WSK 3228

resistor

E053

1229

G426

1209

1010

1000

14

ECU, EST41 D988

R

F731 oil temperature sensor

4960 1 2

B449 lock-up valve

4 4887

3

5271

3778 1

2

1 3228

2 T

26 5272

37 11 3777

9131

1

Block diagram V300964 applies to: version YTZ95.530

2 B088 proportional valve

F546 T oil temperature sensor

R

V300964

1-2

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452009

EST 41 series

Diagrams

1.3 KEY TO BLOCK DIAGRAM Basic code number

Description

A021

Diagnostic connector (16-pole)

B088

Intarder proportional valve

B449

Lock-up valve

B452

Resistor 560 

B453

Resistor 560 

C831

Steering column switch, cruise control/engine speed control/retarder

D814

UPEC electronic unit

D988

Electronic unit, EST 41

E053

Fuse for diagnostic connector/LED unit/alarm system

E199

Fuse, ZF intarder

E351

Fuse, various electrical systems

F546

Oil temperature sensor, WSK

F731

Oil temperature sensor

G426

Contact relay

I028

Diode, intarder

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1

1-3

EST 41 Diagrams

series

1

1-4

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452009

EST 41 series

Location information

2. LOCATION INFORMATION 2.1 LOCATION OF ELECTRICAL COMPONENTS

1

C831

D988 B521

B088

F731

F546

B449

V300967

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452009

2-1

EST 41 Location information

1

series

Basic code

Description

Location

B088

Intarder proportional valve

On right-hand side of torque converter

B449

Lock-up valve

On control unit in bottom of torque converter

B521

Oil thermometer, WSK

On left-hand side of centre console

C831

Steering column switch, cruise control/engine speed control/retarder

On right side of steering column

D988

Electronic unit, EST 41

In central box below printed circuit board

F546

Oil temperature sensor, WSK

Outgoing oil pipe of intarder heat exchanger In oil pipe

F731

Oil temperature sensor

Outgoing oil pipe of intarder heat exchanger In retarder housing

2-2

Note

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452009

EST 41 series

Location information

2.2 LOCATION OF HYDRAULIC COMPONENTS Location of internal hydraulic components

1

2

4 3

1

V300970

Description

Location

1

Lock-up

In front of torque converter

2

Torque converter

At front of TC Tronic

3

Retarder circuit selector valve

On top of retarder

4

Retarder

Between torque converter and AS Tronic

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452009

Note

2-3

EST 41 Location information

series

Location of hydraulic components underneath

1

5

6

7 8 9 10 V300971

Description

Location

5

Oil filter

At bottom right of torque converter

6

Lock-up valve (B449)

At bottom left of torque converter

On valve block

7

Oil pump pressure control valve

At bottom left of torque converter

In valve block

8

Lock-up selector valve

At bottom left of torque converter

In valve block

9

Lock-up pressure control At bottom left of torque converter valve

In valve block

10

Torque converter residu- At bottom left of torque converter al pressure valve

In valve block

2-4

Note

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452009

EST 41 series

Location information

Location of external hydraulic components

3

1

11

12

V300972

Description

Location

11

Intarder proportional valve (B088)

On right-hand side of torque converter

12

Reservoir

On right-hand side of TC Tronic

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452009

Note

2-5

EST 41 Location information

series

Location of hydraulic components

1 13

V300973

14

V300974

Description

Location

13

Heat exchanger

Above AS Tronic

14

Oil pump

On right-hand side in torque converter

2-6

Note

©

452009

English Printed in the Netherlands

DAVIE