Ecs

Electronically Controlled Suspension

1

2

3

4

5 3

22

21

1

3 1

21

2 2  2 

2

1 13 6 6 4

12

12

8

5 8 P

13 6 9 3 2 1

8

11 10 6

2

1 13

6

6

6 4

12

12

12

8 5

8

5

8

P

13

6 3

2 1

8

10

11 9 6

3

9 6

ECU

+5.0 V 0.0 V

+1V 2.5 _ 

4 Analogue Inputs from Chassis Height Senders

Sender Voltage Supply

Voltage Supply

Pressure Sensor Kneeling Kneeling Levelling 2nd ECU Auxiliary

C3(B7)

Up to 6 Digital Inputs from Switches

Speed Signal Input

Microprocessor and Memories (RAM, EPROM, EEPROM)

Power Stages for Solenoid Valves and Lamps

ISO Diagnostics

+24V

3.3 V

Max. +80 mm

0 mm

2.5 V

Min. -80 mm

1.7 V

P

A B

R 0

1

C 2

D

3

1 2 D N R

S BRAKE

P 1 0 80

OIL

4

5

6

7

1/2

100

60

120

40

 2  3

turbo F

E

P

24 125 km / h

2

4

6

0

8

2 10

0

4

6

8

10

r / min x 100 km

0 0 0

P

O

C    1       

Start

P

0 0

2* 1

0 0

22

 26  28

30 32

A

R 0

1 2

B

3

C

Sensor

+24V

Sensor

+24V

125 km / h

km

0

0 0 0 0 0

125 km / h

0

2*1

0 0 0 0 0

0

0

Tachograph

Speedometer

C3 (B7)

C3

Sensor

Sensor

 _  +

 _  + Speedometer

Tachograph

VECU

VECU

C3

CECM

C3

CECM

1

3 22

21

1

2

3

1

21

22

21

21 35 34 3 4 1 43 22

42a

42

41 3

35 21 22 4 1 41 3

42 22

43

        1         2        5        4        3        4         2         2        3         3

21

1 43 22

42a

42

21

21 35 34 3 4

41 3

35 21 22 4

35 21 22 4

1

1 41 3

42 22

43

41 3

        1         2        5         4        3        4         2         2        3         3         5         1        2         4         3         2        2

42 22

43

21

21 35

35

34

21

3

22

4

4

1

43

42a

42

22

1

41

41

3

3

42

43

22

        1         2         5         4         3         4         2         2         3         3

21

21 35 34 3 4 1

43 22

42a

42

35 21 22 4 1

41

41

3

3

42 22

43

21

21 35

35

34

21

3

22

4

4

1

43

42a

42

22

1

41

41

3

3

42

43

22

        1         5         4         3         4         2         2         3         3         2

21

21 35 34 3 4 1

43 22

42a

42

35 21 22 4 1

41

41

3

3

42 22

43

1

2

3

2 1

8

4

3

2

1

P

4

8

5 6 10

P

P

CUSTOMER PARAMETER PROGRAMMING

DATASETPROGRAMMING

DIAGNOSIS ANDTESTING

SELECTECU ADRESS

LANGUAGE OPTION

DIAGNOSIS AND TESTING

Inputs/ outputs and Contr ols

ERRORMEMORY PULSE

Electronically Controlled Suspension TP78165-23

+0.16 V

2.50 V

-0.16 V

A = Sensor FL = 2.38 V

A = Sensor FL = 2.50 V

C D B

1

A

A

5

3 2

4