ECU Common Rail System For HINO Dutro-ToYOTA Dyna N04C-T

 

 

7.

Other (ECU Related)

7-1. ECU External Wiring and Terminal Layout 

This is an example of the N04C-TF engine.

 A. ECU E CU External Wiring Diagr am

Main Relay

FUSE-EFI

+B

111

6

PCV+

PCV (7.9 )

15A

7

PCV-

+B

IGSW

       2    1    G    I    I    G

BATT

74

WFSE

EGRS

134    2    1    M    M    A    A

39

EGR Linear Solenoid

DLC3

EC

42

94

 AC T

 A/C Amplifier Amplifier

E1

35 120

W

Check Engi ne Warning Warning Light 1 (24V, 1.4W) 1.4W)

+B 24V Heater Idle-Up Switch

HSW

81

GIND

118 Exhaust Bra ke Switch

EXSW

Clutch Switch

CLSW

Powerr Take-Off Switch Powe

PTO

Idle Up Switch

IDUP

Sudden Stop Switch

STOP

BATT

Warning Light 3 (24V, 1.4W) 1.4W)

79 83 84 8 LUSL

9

38

Rotary Solenoid Driver

IG IGSW

IGSW

Stop Light Switch

113 ST1STP

121 129

Stop Light

116

BATT STA

MREL

43

 A/C Switch Switch IG

 AC

Starter Starter Rela y

92

 Air Conditioner Conditioner Magn etic Clut Clutch ch

M

 ABS ECU ECU

 ABS

102

HV ECU NUSW

76

Neutral Switch

TC

112

Test Terminal

Q000634E

-32-

 

 

B. ECU External External W Wiring iring Diagram

VCP VCPA

62 SREL

127

114 Glow R elay

VCP2 VC Rail Pressure Sensor PCR1 (Main) Rail Pressure Pressure Sensor (Sub) (Sub)

B

Intake Air Air Press ure Sens Sens or

Mass Airflow Sen Sensor sor

PCR2 PIM

VG

126

53

EXB

Exh Exhaust aust Br ake VSV

27 19 29 69

57

Hall Sensor VPA

125

106

TAC

Meter

Hall Sensor VPA2  Accelerator  Accelerator Position Sen Sensor sor

Intake Manifold Intake  Air Temperature Temperature Sensor THIA Coolant Temperature Sens Sens or

THW VLU VLU

135 124 25 26

21 22

#1

#2

23 24

THF

Diagnostic Check

#3

61

Sens Sen s or for fo rD Throttle Opening Fuel Temperature Sensor Sensor

SIL

EDU #4

B

33

Mass Airflow Intake  Air Temperature Temperature Sensor THA EGR Lift Sen Sens s or

31 115

EGLS

Idle Volume

VICM

VAP

IREL

64

EDU Relay

80

55

 Acce le rato r P osi tio n S en sor

for Work

E2P

63

E2

34 EVG

EPA2 EPA NE+

65 132 133 18

Engine Speed Sensor NEVCG G+ TDC Sensor Sensor MRE Sensor EDU

GINJF

Vehicle Vehicle Speed Sensor

SPD

28 E01

59

1

58 66

2

E02

20

128

Q000635E

-33-

 

 

C. ECU ECU T Termin erminal al L Layout ayout Co Connector nnector Terminal Configuration: Configuration: 135 Pins 34P 34 P 1

35P 7

35P

35

41

E1

VCP E2P

28

34

75

LUSLEGRS

N USW

EXB VG E G LLSS E V G

105

BATT

EC STA VAP

31 31P P

70

G+  V C G

VLU

G-

PI PIM M

62

E XS W V IC M H S W C LS W

 AC

+B

TAC

PTO

TC

I GS GS W S ER L I RE RE L

M RE L

G IN D

W

ST1-

W FSE

SIL SIL

ACT EPA2 EPA

ABS

69

111

97

104

130

135 Q000636E

D. Connector Connector Ter Terminal minal In Input/Output put/Output Details a.

No.

34 Pins

Signal

Connection

Input/Output

No.

Signal

Connection

Relationship

Relationship 1

E01

Power ground

18

NE+

(engine ground) 2

E02

Input/Output

Crankshaft PosiPos i-

(36-2) Cogs / 360 CA

tion Sensor

Power ground

19

PCR1

(engine ground)

Rail pressu pressure re

30MPa=>1.88V,

sensor

180MPa=>4.28V

3

— 

20

INJF

EDU

EDU fail si signal gnal

4

— 

21

#1

EDU

Injection signal

5

— 

22

#2

EDU

Injection signal

6

PCV PCV+ +

23

#3

EDU

Injection signal

24

#4

EDU

Injection signal

25

THIA

Intake air temper-

20 C=>2.43k ,

ature sensor

60 C=>584.1 ,

(high response) response)

100 C=>183.6

Coolant tempera-

-20 C=>15.04k ,

ture sen s enso sorr

20 C=>2.45k ,

7

PCV-

Pump control

Coil resistance 7.9

valve

(Ta=20 C)

Pump control valve

8

IDUP

Idle-up SW

Terminal is "H" during idle-up request.

9

STO STOP P

Emergency stop

Terminal is "H" during

SW

emergency stop.

26

THW

80 C=>318 10

— 

27

VC

11

— 

28

NE-

Sensor power su pply (+5V) Crankshaft PosiPos ition Sensor

12

— 

29

13

— 

30

14

— 

31

-34-

PCR2

Rail pressu pressure re

30MPa=>1.33V,

sub-sensor

180MPa=>3.73V

Intake air temper-

-20 C=>14.7k ,

ature sensor

20 C=>2.43k ,

(buil t into AFM AFM)

60 C=>590

—  THA

 

 

E01

E02

I D UUPP

S T OPOP

NE NE--

P CR 2

P C VV++

THA

PCV-

THF

E2

 

No.

Signal

Connection

Input/Output

No.

Signal

Input/Output

Connection

Relationship

Relationship 15

— 

32

16

— 

33

—  THF

Fuel temperature

-20 C=>15.04k ,

sensor

20 C=>2.45k , 80 C=>318

17 b.

No. 35

— 

34

E2

Sensor ground

35 Pins

Signal E1

Connection

Input/Output Relationship

Ground (engine

No. 53

Signal EX EXB B

ground) 36

— 

54

37

— 

55

38

39

40

LUSL

EGRS

D throttle driver

Opening side when ter-

IC

minal is "L"

EGR line ar sole sole--

Coil resistance stan ce 28

noid

(Ta=20 C)

— 

58

Relationship

Ex Exhaus haus t brake

Coil resistance stan ce 50

VSV

(Ta=20 C)

 Ac c elera ele ra t or po posi si -

5=>0.2V, 45 =>2.5V,

tion sensor for work

85 =>4.7V

Mas s airflow

1.6g/s=>1V,

meter

s=>4.4V

Cylinder recogni-

4+1 Cogs / 720 CA

—  VAP

56

57

Input/Output

Connection

— 

VG

G+

170g/

tion sensor 41

— 

59

VCG

Cylinder recogni-

(+5 V)

tion sensor power supply 42

EC

Case ground

43

STA

Starter rela relay y

60 Terminal is "H" during

61

—  VLU

starter energization. e nergization. 44

— 

62

VCP

Sensor for D

13.5=>0.69V, thereafter

throttle opening

0.04V/

Power supply for

(+5 V)

the accelerator posi-

tion sensor for work 45

— 

63

E2P

Accelerator posiposi tion sensor GND for work

46

— 

64

EGLS

EGR lift se nsor

Fully clos ed: 4V, fully open: 1.3V

47

— 

65

EV EVG G

Mas s airflow meter GND

48

— 

66

G-

Cylinder recognition sensor

49

— 

67

-35-

— 

 

No.

Signal

Connection

Input/Output

No.

Signal

Connection

Relationship

Relationship 50

— 

68

51

— 

69

52 c.

No.

—  PIM

Boost pressure

93kPa=>0.345V,

sensor

370kPa=>4.5V

—  35 Pins

Signal

Connection

Input/Output

No.

Signal

Connection

70

— 

88

— 

71

— 

89

— 

72

— 

90

— 

73

— 

91

— 

74

BATT BATT

76

Battery

92

—  NUSW

93 Neutral SW

Terminal is "L" exc except ept

94

AC

ACT

77

— 

95

— 

78

— 

96

— 

97

— 

98

— 

99

— 

100

— 

101

— 

80

81

EXSW EXSW

VICM

HSW

Exhaus Exhaus t brake

Terminal is "H" during

SW

exhaust brak bra ke ope ration.

Idle-speed vol-

20 =>0.71V,

ume SW

300 =>4.28V

Warm-up SW

Terminal is "H" during

Air conditioner condi tioner

Terminal is "H" during air

MG relay

conditioner operation

Air condi conditioning tioning

"L" during air condition-

amplifier

ing cutoff cu toff request.

ABS-ECU

"L" during ABS operation opera tion

— 

when neutral.

79

Input/Output Relationship

Relationship

75

Input/Output

heater idle-up request. 82 83

—  CLSW

Clutch SW

Terminal is "H" when pedal is not depressed.

84

PTO

Power take-off

Terminal is "H" during

SW

PTO operation. operation .

102  ABS  ABS

85

— 

103

— 

86

— 

104

— 

87

— 

-36-

 

d.

31 Pins

No.

Signal

105

— 

Connection

Input/Output Relationship

No.

Signal

121 ST1-

Input/Output

Connection Stop lig light ht SW

Relationship Brake operation ter terminal minal "L"

106

TAC TAC

Meter

Engine speed output:

122

— 

3 pulses / 360 CA 107 108

—  — 

109

123 —  124 VPA2

— 

110

125 VPA

— 

126 VCP2

Accelerator posiposi -

0.27 =>0.8V, therea therea fter

tion sub-sen su b-senso so r

0.153V/

Main accelera tor

0.27 =>0.8V, therea therea fter

position sensor

0.153V/

Accelerator posi-

(+5 V)

tion sensor se nsor subpower s upply 111 +B

Main Rela y

Power supply su pply

127 VCP CPA A

Accelerator posiposi -

(+5 V)

tion sensor sensor m ain power s upply 112

TC

Diagnostic

128 SPD

checker 113

IGSW

Ignition SW

Terminal is "H" during

129 STP

Vehicl e speed

4 pulses / revolution (637

sensor (MRE)

revolutions at 60k 60 km/h)

Stop lig light ht SW

Terminal is "H" during

igni tion switch sw itch ON. 114

SREL

Glow relay

Coil current current 0.37A

brake operation. 130

— 

131

— 

(Ta=20 C) 115

IREL

EDU relay

Coil current current 0.086A (Ta=20 C)

116

MREL

Main relay

Coil current current 0.086A

132 EPA EPA2 2

Accelerator posiposi tion sub-sen su b-senso so r

(Ta=20 C)

GND 117

— 

133 EPA

Accelerator posiposi tion main mai n senso sensorr GND

118

GIND

Glow plug indica-

1.4W @ 24V

134 WFSE

Flash write tool

135 SIL

Diagnostic

tor ligh t

— 

119

checker 120

W

Check engine

1.4W @ 24V

light

-37-

"L" durin g writing