ECM Terminal And Input/Output signal
ECM Harness Connector
ECM Terminal Function
Connector [CNG-A]

Pin No.

Description

Connected to

1

Ignition Coil (Cylinder #2) control output 

Ignition Coil (Cylinder #2) [Without Immobilizer]

Ignition Coil (Cylinder #3) control output 

Ignition Coil (Cylinder #3) [With Immobilizer]

2

-

 

3

-

 

4

-

 

5

-

 

6

-

 

7

-

 

8

-

 

9

-

 

10

-

 

11

Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input

Camshaft Position Sensor (CMPS) [Bank 1/Intake]

12

Sensor power (+5V)

CVVL Position Sensor

Power Steering Pressure Sensor

13

-

14

Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input

Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]

15

-

 

16

Mass air flow sensor signal input

Mass Air Flow Sensor (MAFS)

17

Sensor shield

CVVL Position Sensor

18

-

 

19

Sensor shield

CVVL Position Sensor

20

Sensor ground

Crankshaft Position Sensor (CKPS)

21

-

22

Ignition Coil (Cylinder #4) control output 

Ignition Coil (Cylinder #4) [Without Immobilizer]

Ignition Coil (Cylinder #1) control output 

Ignition Coil (Cylinder #1) [With Immobilizer]

23

-

 

24

-

 

25

-

 

26

-

 

27

-

 

28

-

 

29

-

 

30

Sensor ground

Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] 

31

Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input

Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] 

32

Sensor ground

Camshaft Position Sensor (CMPS) [Bank 1/Intake]

33

Sensor power (+5V)

Throttle Position Sensor (TPS) 1,2

34

-

35

Sensor ground

Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]

36

-

 

37

Sensor ground

Mass Air Flow Sensor (MAFS)

38

Mass air flow sensor frequency signal input

Mass Air Flow Sensor (MAFS)

39

-

 

40

-

 

41

Crankshaft Position Sensor (CKPS) signal input

Crankshaft Position Sensor (CKPS)

42

-

43

-

 

44

-

 

45

-

 

46

-

 

47

-

 

48

-

 

49

-

 

50

-

 

51

-

 

52

-

 

53

CVVL position sensor Reference clock

CVVL Position Sensor

54

Sensor ground

Throttle Position Sensor (TPS) 1, 2

55

CVVL position sensor 2 chip select signal input

CVVL Position Sensor

56

Sensor shield ground

Knock Sensor (KS)

57

Immobilizer communication line

Immobilizer control module 

58

-

59

Intake Air Temperature Sensor (IATS) signal input

Intake Air Temperature Sensor (IATS)

60

-

 

61

Sensor ground

Manifold Absolute Pressure Sensor (MAPS)

62

Sensor ground

Engine Coolant Temperature Sensor (ECTS)

63

Engine Coolant Temperature Sensor (ECTS) signal input

Engine Coolant Temperature Sensor (ECTS)

64

Ignition Coil (Cylinder #3) control output 

Ignition Coil (Cylinder #3) [Without Immobilizer]

Ignition Coil (Cylinder #2) control output 

Ignition Coil (Cylinder #2) [With Immobilizer]

65

-

 

66

-

 

67

-

 

68

-

 

69

-

 

70

-

 

71

-

 

72

-

 

73

-

 

74

Sensor ground

CVVL Position Sensor

75

Throttle Position Sensor (TPS) 2 signal input

Throttle Position Sensor (TPS) 2

76

CVVL position sensor data 1 signal input

CVVL Position Sensor

77

Sensor ground

Knock Sensor (KS)

78

Sensor ground

Power Steering Pressure Sensor

79

-

80

-

 

81

-

 

82

Manifold Absolute Pressure Sensor (MAPS) signal input 

Manifold Absolute Pressure Sensor (MAPS)

83

Rc/Rp (Pump Cell Voltage)

Heated Oxygen Sensor [Bank 1/Sensor 1]

84

VS-/IP- (Common Ground for VS, IP)

Heated Oxygen Sensor [Bank 1/Sensor 1]

85

Ignition Coil (Cylinder #1) control output 

Ignition Coil (Cylinder #1) [Without Immobilizer]

Ignition Coil (Cylinder #4) control output 

Ignition Coil (Cylinder #4) [With Immobilizer]

86

-

 

87

-

 

88

-

 

89

-

 

90

-

 

91

-

 

92

-

 

93

-

 

94

-

 

95

CVVL position sensor 1 select signal input

CVVL Position Sensor

96

Throttle Position Sensor (TPS) 1 signal input

Throttle Position Sensor (TPS) 1

97

CVVL position sensor data 2 signal input

CVVL Position Sensor

98

Knock Sensor (KS) signal input

Knock Sensor (KS)

99

Power steering pressure sensor signal input

Power Steering Pressure Sensor

100

Battery Current Direct input

Battery Sensor 

101

-

 

102

-

 

103

Sensor power (+5V)

Manifold Absolute Pressure Sensor (MAPS)

104

Rc (Compensative Resistance)

Heated Oxygen Sensor [Bank 1/Sensor 1]]

105

VS+ (NERNST Cell Voltage)

Heated Oxygen Sensor [Bank 1/Sensor 1]

Connector [CNG-B]

Pin No.

Description

Connected to

1

Battery power (B+)

Main relay

2

Power ground

Chassis ground

3

CVVL relay power

CVVL motor relay

4

Power ground

Chassis ground

5

CVVL motor control 1

CVVL motor

6

CVVL motor control 2

CVVL motor

7

-

 

8

-

 

9

-

 

10

Brake Test Switch signal input

Brake Switch

11

-

12

-

 

13

Sensor power (+5V)

A/C Pressure Transducer (APT)

Power Steering Pressure Sensor (PSPS)

14

-

 

15

Alternator PWM signal input (FR)

Alternator

16

Alternator PWM signal output (COM)

Alternator

17

-

 

18

Cooling Fan Relay [High] control output

Cooling Fan Relay [High]

19

Immobilizer indication lamp control output

Immobilizer Lamp

20

ETC Motor [+] control output

ETC Motor

21

ETC Motor [-] control output

ETC Motor

22

Electrical load [Wiper] signal input

Wiper [Low] Relay

23

Injector (Cylinder #1) control output

Injector (Cylinder #1)

24

-

 

25

-

 

26

-

 

27

Brake Light Switch signal input

Brake Switch

28

A/C request switch signal output

Heater & A/C Control module

29

Sensor power (+5V)

Accelerator Position Sensor (APS) 1

30

Sensor power (+5V)

Accelerator Position Sensor (APS) 2

31

-

 

32

LIN communication signal input

Bettery sensor

33

Cooling Fan Relay [Low] control output

Cooling Fan Relay [Low]

34

-

 

35

-

 

36

-

 

37

Malfunction Indication Lamp (MIL) control output

Malfunction Indication Lamp (MIL)

38

-

 

39

-

 

40

Injector (Cylinder #3) control output

Injector (Cylinder #3)

41

Battery power (B+)

Ignition Switch

42

-

 

43

-

 

44

Sensor ground

A/C Pressure Transducer (APT)

45

A/C Pressure Transducer (APT) signal input

A/C Pressure Transducer (APT)

46

Sensor ground

Accelerator Position Sensor (APS) 1

47

Sensor ground

Accelerator Position Sensor (APS) 2

48

-

 

49

-

50

-

 

51

-

 

52

Start Motor relay control output 

Start motor relay 

53

Main Relay control output

Main relay

54

-

 

55

CVVL relay control

CVVL motor relay

56

-

 

57

Injector (Cylinder #4) control output

Injector (Cylinder #4)

58

-

59

CCP CAN [Low]

Other control module, Data Link Connector (DLC), 

60

C-CAN [Low]

Other control module, Data Link Connector (DLC), 

61

-

 

62

Clutch switch singnal input

Clutch Switch [M/T]

63

Accelerator Position Sensor (APS) 1 signal input

Accelerator Position Sensor (APS) 1

64

Accelerator Position Sensor (APS) 2 signal input

Accelerator Position Sensor (APS) 2

65

Blower Max. signal input

Heater & A/C Control module

66

 

 

67

A/C Compressor Relay control output

A/C Compressor Relay

68

Variable Intake Solenoid (VIS) Valve control output

Variable Intake Solenoid (VIS) Valve

69

-

 

70

Fuel Pump Relay control output

Fuel Pump Relay

71

Engine speed signal output

Power Distribution Module (PDM)

72

-

 

73

-

 

74

Injector (Cylinder #2) control output

Injector (Cylinder #2)

75

Battery power (B+)

Main Relay

76

CCP CAN [High]

 

77

C-CAN [High]

 

78

Vehicle speed signal input

ABS/ESP Control Unit

79

-

 

80

-

81

-

82

Start Motor control switch

Smart key control module

83

-

84

CVVT Oil Control (OCV) Valve [Bank 1/Exhaust] control output

CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] 

85

CVVT Oil Control (OCV) Valve [Bank 1/Intake] control output

CVVT Oil Control Valve (OCV) [Bank 1/Intake]

86

Purge Control Solenoid Valve (PCSV) control output

Purge Control Solenoid Valve (PCSV)

87

-

88

-

 

89

-

 

90

Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output

Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]

91

Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output

Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]

ECM Terminal Input/Output signal
Connector [CNG-A]

Pin No.

Description

Condition

Type

Level

1

Ignition Coil (Cylinder #2) control output 

Idle

Pulse

Turn on: Max. 1.6V

Turn off: Battery voltage

Ignition Coil (Cylinder #3) control output 

2

-

 

 

 

3

-

 

 

 

4

-

 

 

 

5

-

 

 

 

6

-

 

 

 

7

-

 

 

 

8

-

 

 

 

9

-

 

 

 

10

-

 

 

 

11

Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input

Idle

Pulse

Around 7Hz at 850rpm

Around 25Hz at 3000rpm

12

Sensor power (+5V)

IG OFF

DC

Max. 0.5V

IG ON

Min. 4.75V ~ Max. 5.25V

13

-

14

Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input

Idle

Analog

DC

Min. 0.6V ~ Max. 1.0V

15

-

 

 

 

16

Mass air flow sensor signal input

 

17

Sensor shield

 

 

 

18

-

 

 

 

19

Sensor shield

 

 

 

20

Sensor ground

Idle

DC

Max. 50mV

21

-

22

Ignition Coil (Cylinder #4) control output 

Idle

Pulse

Turn on: Max. 1.6V

Turn off: Battery voltage

Ignition Coil (Cylinder #1) control output 

23

-

 

 

 

24

-

 

 

 

25

-

 

 

 

26

-

 

 

 

27

-

 

 

 

28

-

 

 

 

29

-

 

 

 

30

Sensor ground

Idle

DC

Max. 50mV

31

Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input

Idle

Pulse

Around 7Hz at 850rpm

Around 25Hz at 3000rpm

32

Sensor ground

Idle

DC

Max. 50mV

33

Sensor power (+5V)

IG OFF

DC

Max. 0.5V

IG ON

Min. 4.75V ~ Max. 5.25V

34

-

35

Sensor ground

Idle

DC

Max. 50mV

36

-

 

 

 

37

Sensor ground

Idle

DC

Max. 50mV

38

Mass air flow sensor frequency signal input

 

 

 

39

-

 

 

 

40

-

 

 

 

41

Crankshaft Position Sensor (+) signal input

Idle

Frequency 

 Vpp Min. : 18V at Idle (for 1 rail)

 Vpp Max. : 90V at 5000rpm (for 1 rail)

42

-

43

-

 

 

 

44

-

 

 

 

45

-

 

 

 

46

-

 

 

 

47

-

 

 

 

48

-

 

 

 

49

-

 

 

 

50

-

 

 

 

51

-

 

 

 

52

-

 

 

 

53

CVVL position sensor Reference clock

 

 

 

54

Sensor ground

Idle

DC

Max. 50mV

55

CVVL position sensor 2 chip select signal input

 

 

 

56

Sensor shield ground

Idle

DC

Max. 50mV

57

Immobilizer communication line

When communicating after IG ON

Pulse

Hi: Min. 8.5V

Lo: Max. 3.5V

58

-

59

Intake Air Temperature Sensor (IATS) signal input

Idle

Analog

Min. 0.1V ~ Max. 4.7V

60

-

 

 

 

61

Sensor ground

Idle

DC

Max. 50mV

62

Sensor ground

Idle

DC

Max. 50mV

63

Engine Coolant Temperature Sensor (ECTS) signal input

Idle

Analog

Min. 0.1V ~ Max. 4.7V

64

Ignition Coil (Cylinder #3) control output 

Idle

Pulse

Turn on: Max. 1.6V

Turn off: Battery voltage

Ignition Coil (Cylinder #2) control output 

65

-

 

 

 

66

-

 

 

 

67

-

 

 

 

68

-

 

 

 

69

-

 

 

 

70

-

 

 

 

71

-

 

 

 

72

-

 

 

 

73

-

 

 

 

74

Sensor ground

Idle

DC

Max. 50mV

75

Throttle Position Sensor (TPS) 2 signal input

Idle

Analog

Min. 0.4V ~ Max. 4.5V

76

CVVL position sensor data 1 signal input

 

 

 

77

Sensor ground

Idle

DC

Max. 50mV

78

Sensor ground

Idle

DC

Max. 50mV

79

Battery Sensor signal 

Idle

Analog

Min. 0.3V ~ Max. 4.7V

80

-

 

 

 

81

-

 

 

 

82

Manifold Absolute Pressure Sensor (MAPS) signal input 

Idle

Analog

Min. 0.8V ~ Max. 4.2V

83

Rc/Rp (Pump Cell Voltage)

Idle

Analog

0 ~ 5.1V

84

VS-/IP- (Common Ground for VS, IP)

Idle

DC voltage

Max. 50mV

85

Ignition Coil (Cylinder #1) control output 

Idle

Pulse

Turn on: Max. 1.6V

Turn off: Battery voltage

Ignition Coil (Cylinder #4) control output 

86

-

 

 

 

87

-

 

 

 

88

-

 

 

 

89

-

 

 

 

90

-

 

 

 

91

-

 

 

 

92

-

 

 

 

93

-

 

 

 

94

-

 

 

 

95

CVVL position sensor 1 select signal input

 

 

 

96

Throttle Position Sensor (TPS) 1 signal input

Idle

Analog

Min. 0.4V ~ Max. 4.5V

97

CVVL position sensor data 2 signal input

 

 

 

98

Knock Sensor (KS) signal input

Idle

Analog / Frequency

Freq.: Min. 8KHz ~ Max. 12KHz

Level: Min. 180 ~ Max. 300mVpp

99

Power steering pressure sensor signal input

 

 

 

100

Battery Current Direct Input

Idle

Analog

 Min. 0.4V ~ Max. 4.5V

101

-

 

 

 

102

-

 

 

 

103

Sensor power (+5V)

IG OFF

DC

Max. 0.5V

IG ON

Min. 4.75V ~ Max. 5.25V

104

Rc (Compensative Resistance)

Idle

Analog

0 ~ 5.1V

105

VS+ (NERNST Cell Voltage)

Idle

Analog

0 ~ 5.1V 

Connector [CNG-B]

Pin No.

Description

Condition

Type

Level

1

Battery power (B+)

IG OFF

DC

Max. 0.5V

IG ON 

Battery Voltage

2

Power ground

Idle

DC

Max. 50mV

3

CVVL relay power

IG OFF

DC

Max. 0.5V

IG ON 

Battery Voltage

4

Power ground

Idle

DC

Max. 50mV

5

CVVL motor control 1

6

CVVL motor control 2

7

-

 

 

 

8

-

 

 

 

9

-

 

 

 

10

Brake Test Switch signal input

 Swich ON

Digital

Battery voltage

 Switch OFF

Min. -0.3V ~Max. 0.5V

11

-

12

-

 

 

 

13

Sensor power (+5V)

IG OFF

DC

Max. 0.5V

IG ON

Min. 4.75V ~ Max. 5.25V

14

-

 

 

 

15

Alternator PWM signal input (FR)

Idle

Pulse

High: Battery voltage

Low: Max. 1.5V

16

Alternator PWM signal output (COM)

Idle

Pulse

High: Battery voltage

Low: Max. 0.6V

17

-

 

 

 

18

Cooling Fan Relay [High] control output

IG OFF

DC

Battery voltage

IG ON 

Min. -0.3V ~Max. 1.2V

19

Immobilizer indication lamp control output

20

ETC Motor [+] control output

Idle

PWM

 Operating freq.: 1000Hz (estimated)

Forward direction

Turn on: Battery voltage

Frewheeling: Max. 0.1V

Reverse direction

Turn on: Max. 0.1V

Frewheeling: Max. 0.1V

21

ETC Motor [-] control output

Idle

PWM

Operating freq.: 1000Hz (estimated)

Forward direction

Turn on: max 0.1V

Frewheeling: max 0.1V

Reverse direciton

Turn on: Battery voltage

Frewheeling: max 0.1V

22

Electrical load [Wiper] signal input

Idle

PWM

Battery voltage

23

Injector (Cylinder #1) control output

Idle

DC

Hi: Battery voltage

LO: Max. 0.5V 

48~50V

24

-

 

 

 

25

-

 

 

 

26

-

 

 

 

27

Brake Light Switch signal input

 Swich ON

Digital

Battery voltage

 Switch OFF

Min. -0.3V ~Max. 0.5V

28

A/C request switch signal output

 Swich ON

Digital

Battery voltage

 Switch OFF

Min. -0.3V ~Max. 0.5V

29

Sensor power (+5V)

IG OFF

DC

Max. 0.5V

IG ON

Min. 4.75V ~ Max. 5.25V

30

Sensor power (+5V)

IG OFF

DC

Max. 0.5V

IG ON

Min. 4.75V ~ Max. 5.25V

31

-

 

 

 

32

LIN communication signal input

RECESSIVE

Pulse

Max. 5.6V (at 14V)

DOMINANT

Min. 8.4V (at 14V)

33

Cooling Fan Relay [Low] control output

IG OFF

PWM

Battery voltage

IG ON 

Min. -0.3V ~Max. 1.2V

34

-

 

 

 

35

-

 

 

 

36

-

 

 

 

37

Malfunction Indication Lamp (MIL) control output

 

 

 

38

-

 

 

 

39

-

 

 

 

40

Injector (Cylinder #3) control output

Idle

DC

Hi: Battery voltage

LO: Max. 0.5V 

48~50V

41

Battery power (B+)

IG OFF

DC

Max. 0.5V

IG ON 

Battery Voltage

42

-

 

 

 

43

-

 

 

 

44

Sensor ground

Idle

DC

Max. 50mV

45

A/C Pressure Transducer (APT) signal input

 

 

 

46

Sensor ground

Idle

DC

Max. 50mV

47

Sensor ground

Idle

DC

Max. 50mV

48

-

 

 

 

49

-

50

-

 

 

 

51

-

 

 

 

52

Start Motor contol switch

Switch ON

Digital

Battery voltage

Switch OFF

Min. -0.3V ~ Max. 0.5V

53

Main Relay control output

IG OFF

DC

Min. -.03V ~Max. 1.2V

IG ON 

Battery Voltage

54

-

 

 

 

55

CVVL relay control

IG OFF

DC

Max. 0.5V

IG ON

Battery Voltage

56

-

 

 

 

57

Injector (Cylinder #4) control output

Idle

DC

Hi: Battery voltage

LO: Max. 0.5V 

48~50V

58

-

59

CCP CAN [Low]

RECESSIVE

Pulse

2.0∼3.0V

DOMINANT

0~0.5V

60

C-CAN [Low]

RECESSIVE

Pulse

2.0∼3.0V

DOMINANT

0~0.5V

61

-

 

 

 

62

Clutch switch singnal input

 

 

 

63

Accelerator Position Sensor (APS) 1 signal input

Idle

Analog

Min. 0.6V ~Max. 4.3V

64

Accelerator Position Sensor (APS) 2 signal input

Idle

Analog

Min. 0.3V ~Max. 2.1V

65

Blower Max. signal input

Idle

Analog 

Min. 0.5V ~Max. 4V

66

-

 

 

 

67

A/C Compressor Relay control output

Relay OFF

DC

Battery voltage

Relay ON

Min. -0.3V ~Max. 1.2V

68

Variable Intake Solenoid (VIS) Valve control output

 

 

 

69

-

 

 

 

70

Fuel Pump Relay control output

Relay OFF

DC

Battery Voltage

Relay ON 

 

Min. -.03V ~Max. 1.2V

71

Engine speed signal output

Idle

Frequency

Around 26Hz at 850rpm, idle

Around 16Hz at 3000rpm

72

-

 

 

 

73

-

 

 

 

74

Injector (Cylinder #2) control output

Idle

DC

Hi: Battery voltage

LO: Max. 0.5V 

48~50V

75

Battery power (B+)

IG OFF

DC

Max. 0.5V

IG ON 

Battery Voltage

76

CCP CAN [High]

RECESSIVE

Pulse

2.0∼3.0V

DOMINANT

2.75∼4.5V

77

C-CAN [High]

RECESSIVE

Pulse

2.0∼3.0V

DOMINANT

2.75∼4.5V

78

Vehicle speed signal input

Idle

Frequency 

Duty rate 40% ~ 60%

79

-

 

 

 

80

-

81

-

82

Start Motor contol switch

Switch ON

Digital

Battery voltage

Switch OFF

Min. -0.3V ~ Max. 0.5V

83

-

84

CVVT Oil Control (OCV) Valve [Bank 1/Exhaust] control output

Idle

PWM

Operating freq. range: 300Hz

Duty rate: 0% ~ 100%

85

CVVT Oil Control (OCV) Valve [Bank 1/Intake] control output

Idle

PWM

Operating freq. range: 300Hz

Duty rate: 0% ~ 100%

86

Purge Control Solenoid Valve (PCSV) control output

Relay OFF

DC

Battery voltage

Relay ON

Max. 1.76V

87

-

88

-

 

 

 

89

-

 

 

 

90

Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output

Relay OFF

DC

Battery voltage

Relay ON

Max. 0.5V

91

Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output

Relay OFF

DC

Battery voltage

Relay ON

Max. 0.5V

Circuit Diagram
Яндекс.Метрика