Shaanxi блок ECU (Electronic Control unit)

Pin No.

Pin Description

Open-circuit Voltage

Reference

Signal-input Effective

Voltage

1.01

Не используется

1.02

ECU питание+ _3

1.05

Battery Voltage

1.03

ECU питание + _4

1.05

Battery Voltage

1.04

Positive

Power

Supply

Output

1.05

Battery Voltage-0.26V

1 (High End Drive)

1.05

ECU Power-_3

Body

1.06

ECU Power-_4

Body

1.07

Не используется

1.08

ECU Power + _1

1.05

Battery Voltage

1.09

ECU Power + _2

1.05

Battery Voltage

1.10

ECU Power-_1

Body

1.11

ECU Power-_2

Body

1.12

1.13

Fan Relay 2

1.05

Battery Voltage-0.26V

1.14

Не используется

1.21

Не используется

1.22

Diagnosis Lamp

1.05

1.23

1.24

Idling Lift Switch 1, Inner Earth

1.05

1.25

Idling Lift Switch 1, Signal

1.24

4.9-5.1V

1.26

Idling Lift Switch 2, Signal

1.05

4.9-5.1V

1.27

1.28

Idling Lift Switch 2, Earth

1.05

1.29

Digital Earth

1.05

1.30

Inner Earth

1.05

1.31

1.05

0-0.0102V

Cruise Control Button "

High Level: >3.98V

Setup/ Acceleration"

Low Level: <1.79V

1.32

Diesel Engine Starting Switch Signal

High Level: >3.75V

Low Level: <2.18V

1.33

Diesel Engine Output Signal

1.05

1.34

CAN_L

1.05/1.35

2~3V

High Level: >900mV

Low Level: <500mV

1.35

CAN_H

1.05/1.34

2~3V

High Level: >900mV

Low Level: <500mV

1.36

1.37

Starting Relay High End

1.05

Relay: No Start 3.5 V,

Start 24V

1.38

Cold Start Lamp

1.05

2.91-3.91V

1.39

Warning Lamp

1.05

2.91-3.91V

1.40

T15

ECU Activation Voltage:

3.35~24V

1.41

Main Brake Switch

1.05

High Level: >3.75V

Low Level: <2.18V

1.42

Air Conditioner Request Switch

1.26

High Level: >3.75V

Low Level: <2.18V

1.43

1.05

4.9-5.1V

Oil-Water Separation Water Level

Sensor

1.44

Parking Brake

1.05

4.755-5.25V

1.45

1.46

Cruise Control Button "Recover"

1.05

0-0.0102V

High Level: >3.98V

Low Level: <1.97V

1.47

Diesel Engine Stop Switch

1.05

1.48

Low Idle Switch

1.05/1.29

5.53-5.9V

High Level: >3.75V

Low Level: <2.18V

1.49

Redundant Brake Switch

1.05

High Level: >3.75V

Low Level: <2.18V

1.50

Starting Relay Low End

1.05

Relay: No Start 3.5V, Start

1.51

1.52

1.53

1.54

1.55

Air Intake Preheating Relay

1.05

Vbat-0.45V

1.56

Water-in-oil Warning Lamp

1.05

2.91-3.91V

1.57

1.58

Fan Relay 2 Earth

1.59

Air Intake Preheating Relay Earth

Body

1.60

1.61

T50 Starting Switch

1.05/1.59

0V I

Input High Level: >3.61V

Input Low Level: <2.33V

1.62

Torque Limiting Signal (Multi-state

1.65

4.9-5.1V

Switch)

1.63

1.64

Cruise Control Button

1.05

0-0.0102V

"Setup/Slowdown"

1.65

Torque Limiting Inner Earth

Body

1.66

Clutch Switch Signal

1.05

High Level:

>3.75V Low Level:

1.67

Fan Speed Sensor Earth

Body

1.68

Fan Speed Sensor Power

1.67

4.9-5.1V

1.69

Fan Speed Sensor Signal

1.67

4.84-5.16V

High Level:

>3.69V Low Level:

1.70

Vehicle Speed Sensor Earth

Body

1.71

Speed Sensor Signal

1.70

4.05-4.34V

1.72

Diagnostic Request Switch

1.05

0-0.0102V

High Level:

>3.69V Low Level:

1.73

1.74

Cruise Control Button "Switch"

1.05

0-0.0102V

High Level:

>3.98V Low Level:

1.75

1.76

Accelerator Pedal Position Sensor 2

Body

Earth

1.77

Accelerator Pedal Position Sensor 1

1.78

4.9-5.1V

Power

1.78

Accelerator Pedal Position Sensor 1

Body

Earth

1.79

Accelerator Pedal Position Sensor 1

1.78

Without Press:

Signal

0.75V Press to the Floor:

3.84 V

1.80

Accelerator Pedal Position Sensor 2

1.76

Without Press:

Signal

0.375V Press to the Floor:

1.92 V

1.81

Oil Filter Pressure Difference Sensor

1.83

5.75-5.85V

1.82

1.83

Oil Filter Pressure Difference Sensor

Body

Earth

1.84

Accelerator Pedal Position Sensor 2

1.83

4.9~5.1V

Power

1.85

Neutral Gear Switch

1.05/1.29

0~0.0105V

1.86

1.87

1.88

1.89

K Wire

1.05

Battery Voltage

Pin No.

Pin Description

Reference Pin

Open-circuit Voltage

Signal-input

Effective Voltage

2.01

Fan Solenoid Valve

1.05

2.91~3.91V

2.02

2.03

Power Positive Output 2 (High-end

1.05

Battery Voltage

Drive)

2.04

Fuel Heating Solenoid Valve

1.05

Vbat-0.45V

2.05

Fuel Heating Solenoid Valve Inner Earth

Body

2.06

Exhaust Brake Solenoid Valve

1.05

2.91~3.91V

2.07

2.08

2.09

Camshaft Speed Sensor Signal

2.10

231~260mV

2.10

Camshaft Speed Sensor Earth

1.05

2.11

Air Conditioner Compressor Relay

1.05

2.91~3.91V

2.12

Rail Pressure Sensor Earth

1.05

2.13

Rail Pressure Sensor Power

2.12

4.9~5.1V

2.14

Rail Pressure Sensor Signal

2.12

4.9~5.1V

2.15

Coolant Temperature Sensor

2.26

4.9~5.1V

2.16

Remote Throttle Sensor 1 Power

1.05

4.9~5.1V

2.17

Remote Throttle Sensor 1 Earth

Body

2.18

Remote Throttle Sensor 2 Earth

Body

2.19

Crankshaft Speed Sensor Earth

1.05

2.20

2.21

Remote Throttle Sensor 1 Signal

2.17

Without Press:

0.75V Press to the

2.22

Remote Throttle Sensor Signal

2.18

Without Press: 0.375V

Press to the Floor: 1.92V

2.23

Crankshaft Speed Sensor Signal

2.19

231~260mV

2.24

Oil Pressure Sensor Earth

Body

2.25

Inlet Pressure, Temperature Sensor

Body

Earth

2.26

Coolant Temperature Sensor Earth

Body

2.27

Oil Pressure Sensor Signal

2.24

5.243~5.406

2.28

Oil Pressure Sensor Signal

2.24

4.9~5.1V

2.29

Exhaust Brake Switch

2.17

High-Level: >

3.57 V Low

2.30

2.31

Remote Throttle Sensor 2 Power

2.17

4.9~5.1V

2.32

Oil Pressure Sensor Power

2.17

4.9~5.1V

2.33

Air-Inlet Boost Pressure Sensor Power

2.17

4.9~5.1V

2.34

Air-Inlet Boost Pressure Sensor Signal

2.25

5.243 ~ 5.406

2.35

Fuel Temperature Signal

2.26

4.9 ~ 5.1 V

2.36

Air Inlet Temperature Sensor Signal

2.25

4.9~5.1V

Pin No.

Pin Description

Reference Pin

Open-circuit Voltage

Signal-input

Effective Voltage

3.01

1.02

Fuel Injector 1 Capacitance High End 2

(Cylinder 5 Fuel Injector High End)

3.02

Fuel Injector 2 Capacitance High End 2

(Cylinder 6 Fuel Injector High End)

3.03

Fuel Injector3 Capacitance High

End 2 (Cylinder 4 Fuel Injector High

3.04

Fuel Injector 1 Capacitance High End

1 (Cylinder 1 Fuel Injector High End)

3.05

Fuel Injector1 Capacitance High

End 1 (Cylinder 3 Fuel Injector High

3.06

Fuel Injector 3 Capacitance High End 1

(Cylinder 2 Fuel Injector High End)

3.07

3.08

3.09

Flow Metering Unit Power(BAT+)

1.05

Vbat-0.26V

3.10

Flow Metering Unit Power PWM

1.05

2.91~3.91V

3.11

Fuel Injector 3 Capacitance High End 1

(Cylinder 2 Fuel Injector High End)

3.12

Fuel Injector 2 Capacitance High End 1

(Cylinder 3 Fuel Injector High End)

3.13

Fuel Injector 1 Capacitance High End 1

(Cylinder 1 Fuel Injector High

3.14

Fuel Injector 3 Capacitance High End 2

Cylinder 4 Fuel Injector High

3.15

Fuel Injector 2 Capacitance High End 2

(Cylinder 6 Fuel Injector High

3.16

Fuel Injector 1 Capacitance High End 2

(Cylinder 5 Fuel Injector High

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