ENGINE (DIAGNOSTICS)(H4DOTC DIESEL) > Engine Control Module (ECM) I/O Signal

ELECTRICAL SPECIFICATION

Description

Connector No.

Terminal No.

Signal (V)

Note

Ignition SW ON

(engine OFF)

Ignition SW ON

(idling)

Crankshaft position sensor

Signal

B135

43

0

0 or 5

Waveform

Power supply

B135

46

5

5

—

Ground

B135

19

0

0

—

Camshaft position sensor

Signal

B135

42

0

0 or 5

Waveform

Ground

B135

18

0

0

—

Air flow sensor

Signal

B135

30

—

1 — 2

—

Ground

B134

16

0

0

—

Intake air temperature sensor (integrated with air flow sensor)

Signal

B134

28

1.9

1.9

30°C (86°F)

Ground

B134

15

0

0

—

Engine coolant temperature sensor

Signal

B135

39

1

1

75°C (167°F)

Ground

B135

13

0

0

—

Manifold absolute pressure sensor

Signal

B135

61

1

1

101 kPa

Power supply

B135

48

5

5

—

Ground

B135

13

0

0

—

Intake air temperature sensor (integrated with manifold absolute pressure sensor)

Signal

B135

38

1.9

1.9

30°C (86°F)

Ground

B135

13

0

0

—

Fuel temperature sensor

Signal

B135

31

1.2

1.2

50°C (122°F)

Ground

B135

13

0

0

—

Common rail pressure sensor

Signal

B135

40

0.75 — 1.25

1.5

30,000 kPa

Power supply

B135

45

5

5

—

Ground

B135

16

0

0

—

Shield

B135

17

0

0

—

Exhaust temperature sensor 1

Signal

B135

34

4.4

4.4

200°C (392°F)

Ground

B135

13

0

0

—

Exhaust temperature sensor 2

Signal

B135

35

4.4

4.4

200°C (392°F)

Ground

B135

13

0

0

—

DPF pressure difference sensor

Signal

B135

37

0.54

0.54

1 kPa

Power supply

B135

44

5

5

—

Ground

B135

13

0

0

—

Accelerator pedal position sensor

Main signal

B134

24

0.49 — 0.77

0.49 — 0.77

—

Main power supply

B134

23

5

5

—

Main ground

B134

25

0

0

—

Sub signal

B134

11

0.57 — 0.79

0.57 — 0.79

—

Sub power supply

B134

10

5

5

—

Sub ground

B134

12

0

0

—

Shield

B134

31

0

0

—

Electronic throttle control

Sensor signal

B134

29

3 — 4.6

3 — 4.6

—

Power supply

B135

21

5

5

—

Ground

B135

8

0

0

—

Motor (+)

B134

57

Duty waveform

Duty waveform

Operation frequency:

500 Hz

Motor (−)

B134

44

Duty waveform

Duty waveform

Operation frequency:

500 Hz

EGR control valve

Sensor signal

B135

33

1.2

2 — 3

—

Power supply

B135

47

5

5

—

Ground

B135

9

0

0

—

Motor (+)

B134

58

Duty waveform

Duty waveform

Operation frequency:

500 Hz

Motor (−)

B134

45

Duty waveform

Duty waveform

Operation frequency:

500 Hz

Suction control valve

Power supply

B134

20

Duty waveform

Duty waveform

Operation frequency:

250 Hz

Operation output

B134

7

Duty waveform

Duty waveform

Operation frequency:

250 Hz

Boost control valve

Operation output

B135

89

10 — 13

Duty waveform

Operation frequency:

500 Hz

Battery current sensor

Signal

B135

32

2.6 — 2.8

2.4 — 2.6

After engine is warmed up.

(New battery)

Power supply

B135

22

5

5

—

Ground

B134

15

0

0

—

Battery temperature sensor

Signal

B135

36

1.1 — 2.4

1.1 — 2.4

When battery temperature is 20 — 50°C (68 — 122°F)

Ground

B135

12

0

0

—

Turbo lift sensor

Signal

B135

66

0.3

4.4

—

Power supply

B135

20

5

5

—

Ground

B135

13

0

0

—

Fuel injector No. 1

Operation power supply 1

B135

73

4 — 7

0 — 90

—

#1

B135

74

4 — 7

0 — 90

Waveform

Shield

B135

56

0

0

—

Fuel injector No. 2

Operation power supply 1

B135

49

4 — 7

0 — 90

—

#2

B135

51

4 — 7

0 — 90

Waveform

Shield

B135

56

0

0

—

Fuel injector No. 3

Operation power supply 2

B135

25

4 — 7

0 — 90

—

#3

B135

26

4 — 7

0 — 90

Waveform

Shield

B135

54

0

0

—

Fuel injector No. 4

Operation power supply 2

B135

1

4 — 7

0 — 90

—

#4

B135

3

4 — 7

0 — 90

Waveform

Shield

B135

54

0

0

—

Generator control

B134

36

0 — 6.5

0 — 6.5

—

Engine speed signal

B135

86

0

0 — 14

Waveform

Malfunction indicator light

B135

70

0

12 — 14

—

Glow voltage monitor

B135

60

When glow activates: 10 — 13

When glow does not activates: 0

When glow activates: 12 — 14

When glow does not activates: 0

—

Glow relay control

B135

90

When glow activates: 10 — 13

When glow does not activates: 0

When glow activates: 12 — 14

When glow does not activates: 0

—

Main relay control

B134

33

0

0

—

Sub fuel pump relay control

B135

69

10 — 13

0

—

Radiator fan relay 1 control

B135

68

ON: 0.5 or less

OFF: 10 — 13

ON: 0.5 or less

OFF: 12 — 14

—

Radiator fan relay 2 control

B135

67

ON: 0.5 or less

OFF: 10 — 13

ON: 0.5 or less

OFF: 12 — 14

—

A/C relay control

B135

91

ON: 0.5 or less

OFF: 10 — 13

ON: 0.5 or less

OFF: 12 — 14

—

A/C pressure switch

B135

85

ON: 0

OFF: 10 — 13

ON: 0

OFF: 12 — 14

—

Starter relay control

B135

92

0

0

When clutch pedal is depressed except when cranking: 10 — 14

Starter cut relay control

B135

95

0

0

Model with push button start, when cranking: 8 — 14

Accessory cut request

B135

93

10 — 13

12 — 14

Model with push button start

Ignition switch

B134

47

10 — 13

12 — 14

—

Delivery (test) mode switch

B134

42

10 — 13

12 — 14

When delivery (test) mode connector connected: 0

Neutral position switch

B134

55

ON: 0.5 or less

OFF: 10 — 13

ON: 0.5 or less

OFF: 12 — 14

Switch is ON when shift position is in neutral.

Clutch switch

B135

81

When clutch pedal is depressed: 0

When clutch pedal is released: 10 — 13

When clutch pedal is depressed: 0

When clutch pedal is released: 12 — 14

—

Brake switch 1

(brake switch)

B134

41

When brake pedal is depressed: 0

When brake pedal is released: 10 — 13

When brake pedal is depressed: 0

When brake pedal is released: 12 — 14

—

Brake switch 2

(stop light switch)

B134

40

When brake pedal is depressed: 10 — 13

When brake pedal is released: 0

When brake pedal is depressed: 12 — 14

When brake pedal is released: 0

—

Starter switch

B135

83

0

0

Model with push button start

Cranking: waveform

Starter switch 2

B134

54

0

0

Cranking: 8 — 14

Clutch start switch

B135

78

When clutch pedal is depressed: 10 — 13

When clutch pedal is released: 0

When clutch pedal is depressed: 12 — 14

When clutch pedal is released: 0

Model with push button start

Cruise control switch

Main switch

B134

53

ON: 0

OFF: 10 — 13

ON: 0

OFF: 12 — 14

—

Command switch

B135

62

When operating nothing: 3.5 — 4.5

When operating RES/ACC: 2.5 — 3.5

When operating SET/COAST: 0.5 — 1.5

When operating CANCEL: 0 — 0.5

When operating nothing: 3.5 — 4.5

When operating RES/ACC: 2.5 — 3.5

When operating SET/COAST: 0.5 — 1.5

When operating CANCEL: 0 — 0.5

—

CAN communication

HIGH

B134

51

—

—

Waveform

LOW

B134

52

—

—

Waveform

Immobilizer communication

B134

50

—

—

—

Control module power supply

B134

5

10 — 13

12 — 14

—

B134

6

10 — 13

12 — 14

—

Back-up power supply

B134

46

10 — 13

12 — 14

—

Ground (power supply)

B134

3

0

0

—

B134

4

0

0

—

Ground (control system)

B134

1

0

0

—

B134

2

0

0

—

Input/output name:

• Crankshaft position sensor

• Camshaft position sensor

Measuring condition:

• After warming-up

• At idling

Input/output name

Measuring condition

Waveform

1. EGR control valve

At idling

2. Suction control valve

At idling

3. Fuel injector

At idling

• Model without push button start

• Model with push button start

*1

Refer to “Push Button Start System” in WI section.

*2

Refer to “Starter System” in WI section.

*3

Refer to “Power Supply Circuit” in WI section.