NOTE: This is for the earlier ME442 Rev C or D (see sticker on back of case). It is MOSTLY  compatible with the ME442/360/221 GEN2 but there are some differences so attention should be paid.

ME442 V2.0 REV C/D

Pin

Function

Notes

1

COIL 4

IGBT 20A MAX

2

COIL 3

IGBT 20A MAX

3

INJECTOR 4

2A CONSTANT PROTECTED (6ohm Min Hi Imp)

4

INJECTOR 2

2A CONSTANT PROTECTED (6ohm Min Hi Imp)

5

DIG_IN 4

PULLED HIGH WEAK 5V

6

DIG_IN 1

PULLED HIGH WEAK 5V

7

DIG_IN 2

PULLED HIGH WEAK 5V

8

DIG_IN 3

PULLED HIGH WEAK 5V

9

LOW SIDE 18

500mA RELAY (SLOW) DRIVE

10

GROUND CHASSIS

GROUNDS (CHASSIS)

11

EGT 1

EGT 1 K-Type +ve Input

12

LOW SIDE 2

2.5A PWM-ABLE

13

LOW SIDE 15

500mA RELAY (SLOW) DRIVE

14

VBAT IGNITION

BATTERY VOLTAGE SUPPLY (SWITCHED IGNITION)

15

VBAT IGNITION

BATTERY VOLTAGE SUPPLY (SWITCHED IGNITION)

16

LSU HEATER -VE

17

ANA VOLT 3

0-5V ANALOG PROTECTED INPUT

18

ANA VOLT 4

0-5V ANALOG PROTECTED INPUT

19

LSU UN

20

LSU VM

21

CAN 1 HIGH

CAN 1 HIGH

22

CAM A VR+

23

CAM A VR-

24

SERIAL 1 GROUND

SERIAL COMMS GROUND

25

SERIAL 1 TX

SERIAL COMMS TRANSMIT RS232 LEVEL

26

ANA VOLT 1

0-5V ANALOG PROTECTED INPUT

27

INJECTOR 8

2A CONSTANT PROTECTED (6ohm Min Hi Imp)

28

INJECTOR 5

2A CONSTANT PROTECTED (6ohm Min Hi Imp)

29

COIL 7

IGBT 20A MAX

30

COIL 8

IGBT 20A MAX

31

COIL 2

IGBT 20A MAX

32

COIL 1

IGBT 20A MAX

33

INJECTOR 3

2A CONSTANT PROTECTED (6ohm Min Hi Imp)

34

DIG_IN 6

PULLED HIGH WEAK 5V

35

CAN 2 LOW

--

36

CAN 2 HIGH

--

37

LOW SIDE 11

3.5A PWM-ABLE FLYBACK PROTECTED

38

LOW SIDE 10

3.5A PWM-ABLE FLYBACK PROTECTED

39

LOW SIDE 6

2.5A PWM-ABLE

40

LOW SIDE 17

500mA RELAY (SLOW) DRIVE

41

LOW SIDE 7

2.5A PWM-ABLE

42

LOW SIDE 12

500mA RELAY (SLOW) DRIVE

43

LOW SIDE 14

500mA RELAY (SLOW) DRIVE

44

LOW SIDE 4

2.5A PWM-ABLE

45

LOW SIDE 9

7A PWM-ABLE FLYBACK PROTECTED

46

5V REF

500mA MAX 5V SENSOR SUPPLY

47

ANA TEMP 4

THERMISTOR INPUT PULLED TO 5V via 2K7

48

ANA VOLT 7

0-5V ANALOG PROTECTED INPUT

49

LSU IA

50

LSU IP

51

CAN 1 LOW

CAN 1 LOW

52

SENSORS GROUND

SENSOR & COMMS GROUND AND VR SHEILDS

53

KNOCK 1 SIGNAL

KNOCK DSP 1

54

KNOCK 2 SIGNAL

CURRENTLY NOT SUPPORTED IN SOFTWARE

55

SERIAL 1 RX

SERIAL COMMS RECIEVE RS232 LEVEL

56

ANA VOLT 2

0-5V ANALOG PROTECTED INPUT

57

ANA TEMP 2

THERMISTOR INPUT PULLED TO 5V via 2K7

58

INJECTOR 6

2A CONSTANT PROTECTED (6ohm Min Hi Imp)

59

COIL 5

IGBT 20A MAX

60

COIL 6

IGBT 20A MAX

61

GROUND

POWER GROUND TO CHASSIS

62

DIG_IN 5

PULLED HIGH WEAK 5V

63

INJECTOR 1

2A CONSTANT PROTECTED (6ohm Min Hi Imp)

64

VBAT (H-BRIDGE SUPPLY)

BATTERY VOLTAGE SUPPLY (SWITCHED IGNITION)

65

H-BRIDGE A OUT 1

DBW H-BRIDGE

66

H-BRIDGE A OUT 2

DBW H-BRIDGE

67

H-BRIDGE B OUT 1

DBW H-BRIDGE

68

H-BRIDGE B OUT 2

DBW H-BRIDGE

69

LOW SIDE 5

2.5A PWM-ABLE

70

LOW SIDE 16

500mA RELAY (SLOW) DRIVE

71

LOW SIDE 19

500mA RELAY (SLOW) DRIVE

72

LOW SIDE 13

500mA RELAY (SLOW) DRIVE

73

LOW SIDE 1

2.5A PWM-ABLE

74

LOW SIDE 3

2.5A PWM-ABLE

75

LOW SIDE 8

7A PWM-ABLE FLYBACK PROTECTED

76

5V REF

500mA MAX 5V SENSOR SUPPLY

77

ANA TEMP 3

THERMISTOR INPUT PULLED TO 5V via 2K7

78

ANA VOLT 6

0-5V ANALOG PROTECTED INPUT

79

TACHOMETER

200mA 12V PWM-ABLE

80

CRANK VR-

81

CRANK VR+

82

CAM B VR-

83

CAM B VR+

84

CAM C VR+

85

CAM C VR-

86

ANA TEMP 1

THERMISTOR INPUT PULLED TO 5V via 2K7

87

ANA VOLT 5

0-5V ANALOG PROTECTED INPUT

88

INJECTOR 7

2A CONSTANT PROTECTED (6ohm Min Hi Imp)

89

--

--

90

GROUND

POWER GROUND TO CHASSIS