SsangYong: Engine Euro 4. Service manual — part 41

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

7

1491

ENGINE ECU

D27DTP/D27DT (EU4) SM - 2006.08

D27DTP/D27DT (EU4)

ENGINE

FUEL

I

N

T

AKE

EXHAUST

PRE-HEA

TING

LUB

COOLING

SWITCHABLE

ECU

DIAGNOSIS

AL

T

PTC relay box

PTC relay #1

PTC relay #2

Brake switch

AQGS unit

Immobilizer

Auto cruise control (A/T)

Accelerator

pedal sensor

Diagnostic

connector

Cluster and

other units

Condenser

fan (LO)

Condenser

fan (HI)

A/C unit

A/C relay

Engine ground

Main relay

Engine mount

D27DTP

(POWER UP) ENGINE

Switchable

engine mounting

solenoid valve

Fuel filter water

detection

Starter

A/C pressure

sensor

A/C

switch

Cluster

Throttle body

Throttle body

VGT

turbocharger

vacuum modulator

E-EGR valve

IMV valve

HFM sensor

Rail

pressure

sensor

Camshaft

position

sensor

Booster

pressure

sensor

Crankshaft

position

sensor

Knock

sensor #1

Knock

sensor #2

Coolant

temperature

sensor

Fuel

temperature

sensor (HPP)

Oil pressure switch

Injector

E-EGR valve

IMV valve

HFM sensor

Rail

pressure

sensor

Camshaft

position

sensor

Booster

pressure

sensor

Crankshaft

position

sensor

Knock

sensor #1

Knock

sensor #2

Coolant

temperature

sensor

Fuel

temperature

sensor (HPP)

Injector

D27DTP (POWER UP) ENGINE’S ECU CIRCUIT

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

8

1491

ENGINE ECU

D27DTP/D27DT (EU4) SM - 2006.08

D27DTP/D27DT (EU4)

PTC relay box

PTC relay #1

PTC relay #2

Brake switch

Cluster

Immobilizer

Preheat

control relay

Auto cruise control (A/T)

V

e

hicle with CDPF

Front

exhaust

gas

temperature

sensor

Rear

exhaust

gas

temperature

sensor

Diagnostic

connector

A/C triple

pressure switch

A/C unit

Blower

switch

Condenser

fan (LO)

A/C relay

(S2)

Condenser

fan (HI)

Engine main relay

D27DT ECU (including CDPF)

Starter

Fuel filter

water sensor

IMV

valve

EGR

valve

vacuum

modulator

Throttle body

vacuum modulator

V

e

hicle with CDPF

Tu

rbocharger

wastegate

vacuum

modulator

HFM sensor

Rail pressure

sensor

Camshaft

position sensor

Booster

pressure

sensor

Crankshaft

position

sensor

Knock

sensor #1

Knock

sensor #2

Coolant

temperature

sensor

Fuel

temperature

sensor

Injector

Engine ground

Accelerator

pedal sensor

Clutch pedal

switch (M/T)

Dif

ferential pressure sensor

( sensor)

V

e

hicle with CDPF

Neutral switch (M/T)

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

9

1491

ENGINE ECU

D27DTP/D27DT (EU4) SM - 2006.08

D27DTP/D27DT (EU4)

ENGINE

FUEL

I

N

T

AKE

EXHAUST

PRE-HEA

TING

LUB

COOLING

SWITCHABLE

ECU

DIAGNOSIS

Description of ECU Terminals for D27DT Engine and D27DT Engine
with CDPF

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

Engine ground

Engine ground

Main power (B+)

Main power (B+)

Main power (B+)

Rail pressure sensor power supply

-

-

ECU power hold relay

-

-

Neutral switch

-

ACC2 sensor ground

-

-

Auto cruise OFF

Auto cruise safety switch

A/C pressure (Hi / Low)

-

-

-

-

-

Rail pressure sensor signal

Rail pressure sensor ground

-

Engine ground

-

-

Pin No.

D27DT Engine

Remarks

←
←
←
←
←
←

-

-

←

-

-

←

CDPF front exhaut temperature sensor

ground

←

-

-

←
←
←

-

-

Vacuum modulator for controlling throttle

body flap

-

-

←
←

-

←

-

-

D27DT + CDPF Engine

CHANGED BY

EFFECTIVE DATE

AFFECTED VIN

10

1491

ENGINE ECU

D27DTP/D27DT (EU4) SM - 2006.08

D27DTP/D27DT (EU4)

31

32

33

34

35

36

37

38

39

40

41

42

42

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

Auto cruise acceleration signal (for export)

ACC2 sensor signal

-

K-LINE # 1 (preheat/Immobilizer)

K-LINE # 2 (Self diagnosis connector)

Vehicle speed sensor signal input
(vehicle without ABS/ESP)

1G 1

Clutch pedal switch (M/T)

-

Fuel filter water detection sensor signal

-

-

-

Knock sensor signal (# 2)

Knock sensor signal (# 1)

Knock sensor ground (# 1)

-

-

-

Auto cruise completion signal

-

-

ACC 1 sensor ground

CAN - HI

-

-

ACC 2 sensor ground

Brake lamp switch(Stop lamp switch)

-

-

PTC # 1 relay

PTC # 2 relay

Knock sensor signal (# 2)

HFM sensor (air temperature signal)

-

Engine ground

Auto cruise deceleration signal

-

Pin No.

D27DT Engine

Remarks

CDPF front exhaut temperature

sensor signal

←

-

←
←
←

←
←

-

←
←

-

-

←
←
←

-

-

-

-

Vehicle pressure sensor

operating reference voltage (5V)

-

←
←

-

-

←
←

-

-

←
←
←
←

Vehicle pressure sensor ground

←

CDPF Rear exhaust temperature

sensor signal

CDPF Rear exhaust temperature

sensor ground

D27DT + CDPF Engine

Function is different

by systems