8/22/2019 ECU Injectie MA1.7.2-3 Dacia 1.6

1/4

TROUBLE-SHOOTING

MONO MOTRONIC MA 1.7

74 A01090249-1 / 98-08-14

INTERFACE - SIGNAL LOCATIONS

Interface - Signal Locations MA 1.7.2

Connector1. Control signal to ignition coil2. Not connected3. Ground to crankshaft sensor4. Diagnosis5. Not connected6. Not connected7. Diagnosis8. Signal from idle switch9. Ground to lambda sensor

10. Signal fom lambda sensor11. Signal from throttle potentiometer 212. Signal from throttle potentiometer 113. Signal from air temperature sensor14. Signal from coolant temperature sensor15. Not connected16. Constant power supply from battery (terminal 30)17. Power supply from main relay (terminal 15)18. Ground from chassis19. Control signal to ignition coil20. Ground from chassis21. Signal from crankshaft sensor22. Status signal from air conditioning system*23. Not connected24. Engine speed signal to revolution counter*25. Power supply to throttle potentiometer26. Not connected27. Ground to sensor28. Control signal to fuel pump relay29. Control signal to tank ventilation valve30. Status signal from air conditioning system*

31. Control signal to engine control lamp*32. Control signal to idle speed correction33. Ground from chassis34. Control signal to idle speed correction35. Control signal to injection valve

* Only certain models

Note: Interface viewed from below.

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

8/22/2019 ECU Injectie MA1.7.2-3 Dacia 1.6

2/4

75A01090249-1 / 98-08-14

TROUBLE-SHOOTING

MONO MOTRONIC MA 1.7WIRING DIAGRAM 1.7.2

Wiring Diagram MA 1.7.2

T

T

h

h

i

i

s

s

w

w

i

i

r

r

i

i

n

n

g

g

d

d

i

i

a

a

g

g

r

r

a

a

m

m

i

i

s

s

a

a

n

n

e

e

x

x

a

a

m

m

p

p

l

l

e

e

.

.

C

C

h

h

e

e

c

c

k

k

i

i

n

n

t

t

h

h

e

e

r

r

e

e

l

l

e

e

v

v

a

a

n

n

t

t

w

w

o

o

r

r

k

k

s

s

h

h

o

o

p

p

m

m

a

a

n

n

u

u

a

a

l

l

f

f

o

o

r

r

t

t

h

h

e

e

d

d

i

i

a

a

g

g

r

r

a

a

m

m

o

o

f

f

t

t

h

h

e

e

c

c

a

a

r

r

y

y

o

o

u

u

a

a

r

r

e

e

w

w

o

o

r

r

k

k

i

i

n

n

g

g

w

w

i

i

t

t

h

h

.

.

Control unitMono-Motronic MA 1.7.2

Air conditioning

Coolant temp. sensor

Throttle potentiometer

Air temp. sensor

Idle correction valve

Idle switch

Crankshaft sensor

Lambda sensor

Diagnosis

Instrument panel

Battery

Ignition switch

Main relay

Tank ventilation

Fuel pump relay Fuel pump

Ignition coils

Injection valve

Engine control lamp

Lambda sensor preheating

3 5

8 58 6

3 0 8 7

8 58 6

3 087

3 4

1

2

3

121

5

42

1

2

4

31

2

1 2

8/22/2019 ECU Injectie MA1.7.2-3 Dacia 1.6

3/4

TROUBLE-SHOOTING

MONO MOTRONIC MA 1.7

76 A01090249-1 / 98-08-14

INTERFACE - SIGNAL LOCATIONS

Interface - Signal Locations MA 1.7.3

Connector

1. Power supply from main relay (terminal 15)2. Diagnosis3. Signal from idle switch4. Not connected5. Not connected6. Diagnosis7. Signal from air temperature sensor8. Signal from coolant temperature sensor

9. Signal from throttle potentiometer 110. Signal from throttle potentiometer 211. Ground to sensor12. Signal from lambda sensor13. Ground to lambda sensor14. Knock sensor15. Knock sensor16. Signal from crankshaft sensor17. Engine speed signal to revolution counter*18. Signal from speedometer19. Constant power supply from battery (terminal 30)

20. Ground from chassis21. Control signal to injection valve22. Not connected23. Status signal from air conditioning system*24. Power supply to throttle potentiometer25. Control signal to fuel pump relay26. Control signal to tank ventilation valve27. Not connected28. Control signal to engine control lamp29. Control signal to idle speed correction

30. Ground from chassis31. Control signal to idle speed correction32. Ground to crankshaft sensor33. Ground from chassis34. Control signal to ignition coil35. Control signal to ignition coil

* Only certain models

Note: Interface viewed from below.

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

8/22/2019 ECU Injectie MA1.7.2-3 Dacia 1.6

4/4

77A01090249-1 / 98-08-14

TROUBLE-SHOOTING

MONO MOTRONIC MA 1.7WIRING DIAGRAM 1.7.3

Wiring Diagram MA 1.7.3

T

T

h

h

i

i

s

s

w

w

i

i

r

r

i

i

n

n

g

g

d

d

i

i

a

a

g

g

r

r

a

a

m

m

i

i

s

s

a

a

n

n

e

e

x

x

a

a

m

m

p

p

l

l

e

e

.

.

C

C

h

h

e

e

c

c

k

k

i

i

n

n

t

t

h

h

e

e

r

r

e

e

l

l

e

e

v

v

a

a

n

n

t

t

w

w

o

o

r

r

k

k

s

s

h

h

o

o

p

p

m

m

a

a

n

n

u

u

a

a

l

l

f

f

o

o

r

r

t

t

h

h

e

e

d

d

i

i

a

a

g

g

r

r

a

a

m

m

o

o

f

f

t

t

h

h

e

e

c

c

a

a

r

r

y

y

o

o

u

u

a

a

r

r

e

e

w

w

o

o

r

r

k

k

i

i

n

n

g

g

w

w

i

i

t

t

h

h

.

.

Control unitMono-Motronic MA 1.7.3

Air conditioning

Coolant temp. sensor

Throttle potentiometer

Air temp. sensor

Idle correction valve

Idle switch

Crankshaft sensor

Lambda sensor

Diagnosis

Instrument panel

Battery

Ignition switch

Main relay

Tank ventilation

Fuel pump relayFuel pump

Fuel cut-of switch

Ignition coilsInjection valve

Engine control lamp

Knock sensor

Lambda sensor preheating

21

8 58 6

3 0 8 7

8 58 6

3 087

1

2

1 2

2

3

1

A C

12

8 5

1

2

1

5

1

42

1

2

4

32

1

21

2

1

2