1. ECM HARNESS CONNECTOR
2. ECM TERMINAL FUNCTION

Pin

No.

Description

Connected to

Remark

1

ECM ground

Chassis ground

2

Power stage ground

Chassis ground

3

Direct battery voltage supply

Battery

4

Ignition coil output 1,4

Ignition Coil #1, 4

5

Ignition coil output 2,3

Ignition Coil #2, 3

6

CAN LOW

Other control modules (TCM, ABS, etc.)

7

CAN HIGH

Other control modules (TCM, ABS, etc.)

8

HO2S Heater (B1/S1)

HO2S (B1/S1)

Except for LEADED

9

HO2S Heater (B1/S2)

HO2S (B1/S2)

EOBD ONLY

10

Knock Sensor Input

Knock Sensor

11

CVVT Oil Control Valve output

CVVT Oil Control Valve

12

Not connected

-

13

Not connected

-

14

Battery Voltage Supply after Main Relay

Main Relay

15

Not connected

-

16

Not connected

-

17

Wheel Speed Sensor (-)

Wheel Speed Sensor

18

Wheel Speed Sensor (+)

Wheel Speed Sensor

19

Not connected

-

20

Not connected

-

21

Battery Voltage Supply after Main Relay

Main Relay

22

Battery Voltage Supply after Ignition Key

Ignition Key

23

Injector output (cyl. 4)

Injector (cyl. 4)

24

Injector output (cyl. 1)

Injector (cyl. 1)

25

Spare Sensor supply

Sensors

26

Purge Control Solenoid Valve (PCSV) PWM output

Purge Control Solenoid Valve (PCSV)

27

Crankshaft Position Sensor ground

Crankshaft Position Sensor

28

Not connected

-

29

Crankshaft Position Sensor input

Crankshaft Position Sensor

30

Camshaft Position Sensor ground

Camshaft Position Sensor

31

Engine Coolant Temperature Sensor input

Engine Coolant Temperature Sensor

32

Throttle Position Sensor input

Throttle Position Sensor

33

Not connected

-

34

Not connected

-

35

Not connected

-

36

Not connected

-

37

HO2S (B1/S2) ground

HO2S (B1/S2)

38

Throttle Position Sensor ground

Throttle Position Sensor

39

Vehicle Speed Sensor input

Vehicle Speed Sensor

Without ABS

Wheel Speed Sensor input

Wheel Speed Sensor

With ABS

40

Not connected

-

41

Not connected

-

42

HO2S (B1/S2) input

HO2S (B1/S2)

EOBD ONLY

43

HO2S (B1/S1) input

HO2S (B1/S1)

Except for LEADED

44

Sensor power (+5V)

MAPS

45

Throttle Position Sensor supply

Throttle Position Sensor

46

Spare Sensor supply 2

Sensors

47

Immobilizer Data Line

Immobilizer

With Immobilizer

48

MAPS, IATS ground

MAPS, IATS

49

Not connected

-

50

Air Conditioner Compressor Switch input

Triple Switch

51

Air Conditioner Pressure switch input

Triple Switch

52

Oil Temperature Sensor input

Oil Temperature Sensor

53

Not connected

-

54

Knock Sensor ground

Knock Sensor

55

Ignition shield ground

Ignition Coil

56

Intake Air Temperature Sensor input

MAFS, IATS

57

Not connected

-

58

Air Conditioner Request Switch input

Air Conditioner Request Switch

59

HO2S (B1/S1) ground

HO2S (B1/S1)

Except for LEADED

60

MAPS signal input

MAPS

61

Injector output (cyl.3)

Injector (cyl.3)

62

Injector output (cyl.2)

Injector (cyl.2)

63

Not connected

-

64

Cooling Fan Relay - High control output

Cooling Fan Relay

65

Cooling Fan Relay - Low control output

Cooling Fan Relay

66

Engine Speed signal output

Tachometer

67

Main Relay control output

Main Relay

68

Air Conditioner Compressor Relay control output

Air Conditioner Compressor Relay

69

Electric Fuel Pump Relay control output

Electric Fuel Pump Relay

70

Malfunction Indicating Lamp (MIL) output

Malfunction Indicating Lamp (MIL)

71

Immobilizer ground

Immobilizer

With Immobilizer

72

Camshaft Position Sensor input

Camshaft Position Sensor

73

Engine Coolant Temperature Sensor ground

Engine Coolant Temperature Sensor

74

Throttle Position PWM output

75

Fuel Consumption signal output

Trip Computer

76

Oil Temperature Sensor ground

Oil Temperature Sensor

77

Diagnostic Data Line (k-Line)

Data Link Conector (DLC)

78

Idle Speed Control Actuator PWM output 2 (CLOSE)

Idle Speed Control Actuator

79

Not connected

-

80

Idle Speed Control Actuator PWM output 1 (OPEN)

Idle Speed Control Actuator

81

Immobilizer Lamp output

Immobilizer

With Immobilizer

3. ECM TERMINAL INPUT/OUTPUT SIGNAL

Pin

No.

Description

Input, Output Value

Vehicle State

Test Result

Type

Range

1

ECM ground

Static Signal

0 ~ 0.5V

Always

0.3V

2

Power stage ground

Static Signal

0 ~ 0.5V

Always

0.3V

3

Direct battery voltage supply

Static Signal

Vbatt

Others

12.5 V

(Vbatt Level)

Running

13.7 V

(Vbatt Level)

4

Ignition coil output 1,4

Pulse

Engine run

High: 14.03V

Low: 0.78~1.13V

Peak voltage: 348V

Idle : 17.2Hz

5

Ignition coil output 2,3

Pulse

Engine run

High: 14.03V

Low: 0.78~1.13V

Peak voltage: 348V

Idle : 17.2Hz

6

CAN LOW

DC

(PWM)

2.0 ~ 3.0V

Recessive

0.5 ~ 2.25V

Dominant

7

CAN HIGH

DC

(PWM)

2.0 ~ 3.0V

Recessive

2.75~4.5V

Dominant

8

HO2S Heater (B1/S1)

PWM

Engine run

High: 14.01V

Low: 0.4V

Frequency:10Hz

9

HO2S Heater (B1/S2)

PWM

Engine run

High: 14.01V

Low: 0.4V

Frequency:10Hz

10

Knock Sensor Input

Frequency

-0.5 ~ 0.7V

Knocking

0.3V

0V

Normal

0V

11

CVVT Oil Control Valve output

PWM

Engine run

High: 14.01V

Low: 0.4V

Frequency: 300Hz

12

Not connected

13

Not connected

14

Battery Voltage Supply after Main Relay

DC

Vbatt

IG ON

12.7V

0 ~ 0.5V

IG OFF

0.3V

15

Not connected

16

Not connected

17

Wheel Speed Sensor(-)

Sensor

signal

Approximately

50rpm: 37Hz, 236mV

(Peak to Peak)

100rpm: 76Hz, 376mV

(Peak to Peak)

1000rpm: 769Hz, 1.64V

(Peak to Peak)

Vehicle run

18

Wheel Speed Sensor(+)

Sensor

signal

Approximately

50rpm: 37Hz, 236mV

(Peak to Peak)

100rpm: 76Hz, 376mV

(Peak to Peak)

1000rpm: 769Hz, 1.64V

(Peak to Peak)

Vehicle run

19

Not connected

20

Not connected

21

Battery Voltage Supply after Main Relay

Static Signal

Vbatt

IG ON

12.7V

0 ~ 0.5V

IG OFF

0.3V

22

Battery Voltage Supply after Ignition Key

Static Signal

Vbatt

IG ON

12.7V

0 ~ 0.5V

IG OFF

0.3V

23

Injector output (cyl. 4)

Frequency

Idle: 6.25Hz

3000rpm: 12.6Hz

High: 14.01V

Low: 0.3V

Peak voltage: 58V

24

Injector output (cyl. 1)

Frequency

Idle: 6.25Hz

3000rpm: 12.6Hz

High: 14.01V

Low: 0.3V

Peak voltage: 58V

25

Spare Sensor supply

Static Signal

Vcc

IG ON

5V

0 ~ 0.5V

IG OFF

0.3V

26

Purge Control Solenoid Valve (PCSV) PWM output

PWM

Pulse

Inactive

Active

(after warm up & racing)

High: 14.01V

Low: 0.3V

Frequency: 20Hz

27

Crankshaft Position Sensor ground

Static Signal

0 ~ 0.5V

Always

0.2 V

28

Not connected

29

Crankshaft Position Sensor input

Frequency

Idle: 740Hz

5V

3000rpm: 3126Hz

0.3V

30

Camshaft Position Sensor ground

Static Signal

Always

31

Engine Coolant Temperature Sensor input

Analog

-40 ℃ ~ 145 ℃

4.9V ~ 0.322V

80℃ [176℉]

1.25V

32

Throttle Position Sensor input

Analog

0.25 ~ 0.8V

Idle

0.3V

4.15 ~ 4.7V

W.O.T

4.16V

33

Not connected

34

Not connected

35

Not connected

36

Not connected

37

HO2S (B1/S2) ground

Static Signal

0 ~ 0.5V

Always

0.3V

38

Throttle Position Sensor ground

Static Signal

0 ~ 0.5V

Always

0.3V

39

Vehicle Speed Sensor input

Pulse

Vehicle run

High : 5V

Low : 0.9V

40

Not connected

41

Not connected

42

HO2S (B1/S2) input

Analog Pulse

3000rpm

After warm up

0.8V

0.1V

Frequency: 1.1Hz

43

HO2S (B1/S1) input

Analog Pulse

RICH : 0.6 ~ 1.0 V

Engine run

0.746 V

LEAN : Max. 0.4 V

0.081 V

44

Sensor Power (+5V)

Static Signal

5V

IG ON

4.9V

0 ~ 0.5V

IG OFF

0.4V

45

Throttle Position Sensor supply

Static Signal

5V

IG ON

4.9V

0 ~ 0.5V

IG OFF

0.4V

46

Spare Sensor supply 2

Static Signal

5V

IG ON

5V

0 ~ 0.5V

IG OFF

0.3V

47

Immobilizer Data Line

Pulse

High : Min. 8.5 V

Low : Max. 3.5 V

When communicating

after IG ON.

11.625 V

0.187 V

48

MAPS, IATS ground

Static Signal

0 ~ 0.5V

Always

0.4 V

49

Not connected

50

Air Conditioner Compressor Switch input

DC

Vbatt

SW ON

13V

0 ~ 0.5V

SW OFF

0.3V

51

Air Conditioner Pressure switch input

DC

Vbatt

SW ON

12.9V

0 ~ 0.5V

SW OFF

0.4V

52

Oil Temperature Sensor input

Analog

-40 ℃ ~ 130 ℃

4.9V ~ 0.4V

84℃ [183.2 ℉]

1.29V

53

Not connected

54

Knock Sensor ground

Static Signal

0 ~ 0.5V

Always

0.3V

55

Ignition shield ground

Static Signal

0 ~ 0.5V

Always

0.3V

56

Intake Air Temperature Sensor input

Analog

-40 ℃ ~ 266 ℃

4.9V ~ 0.34 V

Idle

3.26 V

(33℃ [91.4 ℉])

57

Not connected

58

Air Conditioner Request Switch input

DC

Vbatt

SW ON

12.9V

0 ~ 0.5 V

SW OFF

0.4V

59

HO2S (B1/S1) ground

DC

Max. 50 mV

Idle

2.5 mV

60

MAPS signal input

Analog

0 ~ 2.0 V

Idle

1.0V

1.0 ~ 4.5 V

3000 rpm

2.3V

61

Injector output (cyl.3)

Frequency

Idle: 6.25Hz

3000rpm: 12.6Hz

High: 14.01V

Low: 0.3V

Peak voltage: 58V

62

Injector output (cyl.2)

Frequency

Idle: 6.25Hz

3000rpm: 12.6Hz

High: 14.01V

Low: 0.3V

Peak voltage: 58V

63

Not connected

64

Cooling Fan Relay - High control output

DC

Vbatt

SW OFF

12.9V

SW ON

0.4V

65

Cooling Fan Relay - Low control output

DC

Vbatt

SW OFF

13V

SW ON

0.5V

66

Engine Speed signal output

Frequency

Engine run

High: 10.5V

Low: 0.4V

Idle: 24.7Hz

3000 rpm: 104.6Hz

67

Main Relay control output

DC

0 ~ 1V

IG ON

0.9V

Vbatt

IG OFF

13.5V

68

Air Conditioner Compressor Relay control output

DC

0 ~ 0.5V

A/C ON

0.2V

Vbatt

A/C OFF

12.5V

69

Fuel Pump Relay control output

DC

Vbatt

IG ON

13.08V

0 ~ 0.5V

Idle

0.3V

70

Malfunction Indicator Lamp (MIL) output

DC

0 ~ 0.5V

IG ON

0.4V

Vbatt

Vbatt

13.6V

71

Immobilizer ground

Static Signal

0 ~ 0.5V

Always

0.4V

72

Camshaft Position Sensor input

Frequency

Idle: 6.3 Hz

3000 rpm: 25 Hz

High: 5V

Low: 0.6V

73

Engine Coolant Temperature Sensor ground

Static Signal

0 ~ 0.5V

Always

0.4V

74

Throttle Position PWM output

PWM

Engine run

High: 12.75V

Low: 0.5V

Frequency: 100Hz

C.T: 5% duty

W.O.T : 90% duty

75

Fuel Consumption signal output

PWM

Engine run

High: 12.75V

Low: 0.5V

Frequency: 100Hz

76

Oil Temperature Sensor ground

Static Signal

0 ~ 0.5V

Always

0.4V

77

Diagnosis line (k-line)

Pulse

IG ON

High: 14V

Low: 0.5V

78

Idle Speed Control Actuator PWM output2

PWM

Idle

High : 15V

Low : 0.3V

Frequency: 250Hz

79

Not connected

80

Idle Speed Control Actuator PWM output1

PWM

Idle

High : 15V

Low : 0.3V

Frequency: 250Hz

81

Immobilizer Lamp output

DC

0 ~ 0.5V

IG ON

0.4V

Vbatt

Cranking

13.6V

Яндекс.Метрика