Signals and voltages at the control module terminals (Opel Astra G)

1

Weight

Ignition on: 0B

2

Weight

Ignition on: 0B

3

To the engine management system relay

Ignition off: 0B

3

To the engine management system relay

Ignition on: 11—14V

27

To the tachometer

Idle speed: 5V/1ms per division (see illustration Oscillogram 1)

27

From the control module of the electric motor of the cooling system fan

Idle speed: 5V/10ms per division (see illustration Oscillogram 1)

28

From the control module of the electric motor of the cooling system fan

Data not provided

41

Control module of the electric motor of the cooling system fan - K/V

Data not provided

66

Control module of the electric motor of the cooling system fan - K/V

Data not provided

28

From the coolant temperature gauge

Idle speed: Data not provided

29

To the digital display of failures

Idle speed: 11—14V

29

To the digital display of failures

Ignition on: 11—14V

30

Brake Pedal Position Switch (BPP)

Ignition on, pedal released: 0B

30

To the BPP switch sensor

Ignition on, pedal depressed: 11—14V

65

To the BPP switch sensor

Ignition on, pedal released: 11—14V

65

To the BPP switch sensor

Ignition on, pedal depressed: 0B

31

Transmission Control Module (TCM) - 2.0

Data not provided

34

Transmission Control Module (TCM) - 2.0

Data not provided

67

Transmission Control Module (TCM) - 2.0

Data not provided

31

To the clutch pedal position switch (CPP)

Ignition on, pedal released: 11—14V

31

To the CPP switch sensor

Ignition on, pedal depressed: 0B

33

K/V relay

No verification data provided

35

To the engine immobilization system control module

Ignition off: 0B

35

To the engine immobilization system control module

Ignition on: 11—14V

38

To the accelerator pedal position sensor (APP)

Ignition on, pedal released: 0.5V

38

To the APP sensor

Ignition on, pedal depressed: 3.5V

49

APP sensor

Ignition on: 0B

57

From APP sensor

Ignition off: 0B

57

From APP sensor

Ignition on: 5B

69

To the APP sensor

Ignition on, pedal released: 3.5V

69

To the APP sensor

Ignition on, pedal depressed: 0.1B

39

To the ignition switch

Ignition off: 0B

39

To the ignition switch

Ignition on: 11—14V

42

From the Malfunction Indicator Lamp (MIL)

Ignition on, lamp on: 0B

42

From the Malfunction Indicator Lamp (MIL)

Ignition on, lamp off: 11—14V

43

From the pre-glow control lamp

Ignition on, lamp on: 0B

43

From the pre-glow control lamp

Ignition on, lamp off: 11—14V

45

Main Tempostat Switch

No verification data provided

63

Main Tempostat Switch

No verification data provided

64

Main Tempostat Switch

No verification data provided

58

Engine Management System Relay - Ground Switching

Ignition off: 11—14V

58

Engine Management System Relay - Ground Switching

Ignition on: 0B

60

To the EGR control throttle valve - 2.0

Ignition on: 11—14V

60

EGR Control Throttle Valve - 2.0

Idle speed: 5V/5ms per division (see illustration Oscillogram 2)

68

To the speed sensor (VSS)

Ignition on: 0 or 11—14V

68

To the speed sensor (VSS)

Ignition on - car moving: 5V/10ms per division (see illustration Oscillogram 1)

82

From the absolute manifold pressure (MAP) sensor

5B

93

MAP sensor - ground

Ignition on: 0B

85

To the MAP sensor

Idle speed: 0B

85

To the MAP sensor

Idle speed - fast acceleration: 2.85V

83

From the mass air flow (MAF) sensor

Ignition on: 5B

88

To the MAF sensor

1.1B

88

To the MAF sensor

Idle speed: 1.1B

88

To the MAF sensor

Idle speed - fast acceleration: 3.7V

92

MAF sensor - ground

Ignition on: 0B

84

To the MAF sensor - intake air temperature

Ignition on, air temperature 20°C: 2.2B

86

To the engine oil temperature sensor

Idle speed, engine warmed up: 2.47V

86

To the engine oil temperature sensor

Idle speed, engine cold: 3.77V

93

Engine Oil Temperature Sensor - Ground

Ignition on: 0B

87

From the preheat control module

Idle speed: 0.3V

87

From the preheat control module

Ignition on: 0.3V

89

To the coolant temperature sensor (ECT)

Ignition on, fluid temperature 20°C: 3.7V

89

To the ECT sensor

Idle speed, engine warmed up: 1.1B

93

ECT sensor - ground

Ignition on: 0B

90

To the crankshaft position sensor (CKP)

Idle speed: 3.8V ace

90

To the CKP sensor

Idle speed: 5V/5ms per division (see illustration Oscillogram 3)

98

CKP sensor - ground

Ignition on: 0B

101

CKP sensor shield wire - ground

Ignition on: 0B

91

From the fuel injection pump control module

Idle speed: 2V/5ms per division (see illustration Oscillogram 4)

99

Fuel injection pump control module - data exchange

Idle speed: 1.5—2.5V

99

Fuel injection pump control module - data exchange

Idle speed: 2V/10 µs per division (see illustration Oscillogram 5)

99

Fuel injection pump control module - data exchange

Ignition on: 2.5V

100

Fuel injection pump control module - data exchange

Ignition on: 2.5V

100

Fuel injection pump control module - data exchange

Idle speed: 2.5—3.5V

100

Fuel injection pump control module - data exchange

Idle speed: 0.5V/10µs per division (see illustration Oscillogram 6)

105

Fuel injection pump control module - data exchange

Ignition on: 0B

105

Fuel injection pump control module - data exchange

Idle speed: 0.1V/10ms per division (see illustration Oscillogram 7)

94

From the preheat control module

Idle speed: 11—14V

94

From the preheat control module

Ignition on: 0B

96

To the turbocharger drain valve-regulator - 2.0

The engine is running: 5V/10ms per division (see illustration Oscillogram 8)

96

To the turbocharger drain valve-regulator - 2.0

Ignition on: 11—14V

97

From the EGR solenoid valve

Ignition on: 11—14V

97

From the EGR solenoid valve

Idle speed: 5V/1ms per division (see illustration Oscillogram 9)