ENGINE (DIAGNOSTICS)(H4DOTC) > Engine Control Module (ECM) I/O Signal

ELECTRICAL SPECIFICATION

Description

Connector No.

Terminal No.

Signal (V)

Reference

Ignition SW ON

(engine OFF)

Engine ON (idling)

Crankshaft position sensor

Signal (+)

B134

13

0

−7 — +7

Sensor output waveform

Signal (−)

B134

14

0

0

Shield

B134

24

0

0

Rear oxygen sensor

Signal

B135

4

0

0 — 0.9

Shield

B135

1

0

0

GND

(sensor)

B135

30

0

0

Front oxygen (A/F) sensor heater

Signal 1

B136

3

0 — 1.0

Sensor output waveform

Signal 2

B136

2

0 — 1.0

Sensor output waveform

Rear oxygen sensor heater signal

B136

4

0 — 1.0

Sensor output waveform

Engine coolant temperature sensor

Signal

B134

34

1.0 — 1.4

1.0 — 1.4

After engine is warmed-up.

GND

(sensor)

B134

29

0

0

After engine is warmed-up.

Vehicle speed signal

B136

13

0 or 5

0 or 5

“5” and “0” are repeatedly displayed when vehicle is driven.

Air flow sensor

Signal

B135

26

0.3 — 4.5

Shield

B135

35

0

0

GND

B135

34

0

0

Intake air temperature sensor signal

B135

18

0.3 — 4.6

0.3 — 4.6

Tumble generator valve position sensor RH

Signal

B134

26

Fully closed: 3.8 — 4.9

Fully open: 0.2 — 0.9

Power supply

B134

19

5

5

GND

(sensor)

B134

29

0

0

Tumble generator valve position sensor LH

Signal

B134

16

Fully closed: 3.8 — 4.9

Fully open: 0.2 — 0.9

Power supply

B134

19

5

5

GND

(sensor)

B134

29

0

0

Tumble generator valve RH (open)

B137

22

0 or 10 — 13

0 or 12 — 14

Sensor output waveform

Tumble generator valve RH (closed)

B137

23

0 or 10 — 13

0 or 12 — 14

Sensor output waveform

Tumble generator valve LH (open)

B137

12

0 or 10 — 13

0 or 12 — 14

Sensor output waveform

Tumble generator valve LH (closed)

B137

13

0 or 10 — 13

0 or 12 — 14

Sensor output waveform

Wastegate control solenoid valve

B137

27

0 or 10 — 13

0 or 12 — 14

Sensor output waveform

Starter switch

B136

32

0

0

Cranking: 8 — 14

A/C switch

B136

24

ON: 10 — 13

OFF: 0

ON: 12 — 14

OFF: 0

A/C middle pressure switch

B136

33

ON: 0

OFF: 10 — 13

ON: 0

OFF: 12 — 14

Ignition switch

B135

19

10 — 13

12 — 14

Neutral position switch

B136

31

ON: 10 — 13

OFF: 0

ON: 12 — 14

OFF: 0

Test mode connector

B135

27

10 — 13

13 — 14

When connected: 0

Knock sensor

Signal

B134

15

2.8

2.8

Shield

B134

25

0

0

Back-up power supply

B135

5

10 — 13

12 — 14

Ignition switch “OFF”: 10 — 13

Control module power supply

B134

7

10 — 13

12 — 14

B135

2

10 — 13

12 — 14

Sensor power supply

B134

19

5

5

Ignition control

#1

B137

18

0

12 — 14

Waveform

#2

B137

19

0

12 — 14

Waveform

#3

B137

20

0

12 — 14

Waveform

#4

B137

21

0

12 — 14

Waveform

Fuel injector

#1

B137

8

10 — 13

1 — 14

Waveform

#2

B137

9

10 — 13

1 — 14

Waveform

#3

B137

10

10 — 13

1 — 14

Waveform

#4

B137

11

10 — 13

1 — 14

Waveform

Fuel pump control unit

Signal 1

B136

12

0 or 5

0 or 5

Sensor output waveform

Signal 2

B135

33

10 — 13

12 — 14

A/C relay control

B136

9

ON: 0.5 or less

OFF: 10 — 13

ON: 0.5 or less

OFF: 12 — 14

Radiator fan relay 1 control

B136

18

ON: 0.5 or less

OFF: 10 — 13

ON: 0.5 or less

OFF: 12 — 14

Radiator fan relay 2 control

B136

29

ON: 0.5 or less

OFF: 10 — 13

ON: 0.5 or less

OFF: 12 — 14

Model with A/C only

Malfunction indicator light

B136

11

Light “ON”: 1 or less

Light “OFF”: 10 — 14

Engine speed output

B136

22

0 — 13 or more

Waveform

Purge control solenoid valve

B137

29

ON: 1 or less

OFF: 10 — 13

ON: 1 or less

OFF: 12 — 14

Sensor output waveform

Manifold absolute pressure sensor

Signal

B134

6

1.7 — 2.4

1.1 — 1.6

Power supply

B134

19

5

5

GND

(sensor)

B134

29

0

0

Fuel level sensor

B135

10

0.12 — 4.75

0.12 — 4.75

Small light switch

B135

15

ON: 0

OFF: 10 — 13

ON: 0

OFF: 12 — 14

Blower fan switch

B135

16

ON: 0

OFF: 10 — 13

ON: 0

OFF: 12 — 14

Rear defogger switch

B135

14

ON: 0

OFF: 10 — 13

ON: 0

OFF: 12 — 14

Power steering oil pressure switch

B134

33

10 — 13

ON: 0

OFF: 12 — 14

Front oxygen (A/F) sensor signal (+)

B135

9

2.8 — 3.2

2.8 — 3.2

Front oxygen (A/F) sensor signal (−)

B135

8

2.4 — 2.7

2.4 — 2.7

Front oxygen (A/F) sensor shield

B135

1

0

0

SSM/GST communication line

B136

16

1 ← → 4

1 ← → 4

GND

B137

1

0

0

B137

2

0

0

B137

3

0

0

B134

5

0

0

B137

7

0

0

GND (ignition system)

B137

6

0

0

B137

26

0

0

Camshaft position sensor (LH)

B134

21

0 — 0.9

ON: 0

OFF: 4.7 — 5.3

Sensor output waveform

Camshaft position sensor (RH)

B134

11

0 — 0.9

ON: 0

OFF: 4.7 — 5.3

Sensor output waveform

Electronic throttle

Main

B134

18

0.64 — 0.72

Fully opened: 3.96

0.64 — 0.72

(After engine is warmed-up.)

Fully closed: 0.6 Fully opened: 3.96

Sub

B134

28

1.51 — 1.58

Fully opened: 4.17

1.51 — 1.58

(After engine is warmed-up.)

Fully closed: 1.48 Fully opened: 4.17

Power supply

B134

19

5

5

GND

(sensor)

B134

29

0

0

Electronic throttle motor (+)

B137

5

Duty waveform

Duty waveform

Drive frequency: 500 Hz

Electronic throttle motor (−)

B137

4

Duty waveform

Duty waveform

Drive frequency: 500 Hz

Electronic throttle motor power supply

B136

1

10 — 13

12 — 14

Electronic throttle motor relay

B136

21

ON: 0

OFF: 10 — 13

ON: 0

OFF: 12 — 14

When ignition switch is turned to ON: ON

Oil flow control solenoid (LH)

Signal (+)

B137

15

ON: 10 — 13

OFF: 0

ON: 12 — 14

OFF: 0

Signal (−)

B137

14

0

0

Oil flow control solenoid (RH)

Signal (+)

B137

17

ON: 10 — 13

OFF: 0

ON: 12 — 14

OFF: 0

Signal (−)

B137

16

0

0

Accelerator pedal position sensor

Main sensor signal

B135

23

Fully closed: 1

Fully opened: 3.5

Fully closed: 1

Fully opened: 3.5

Main power supply

B135

21

5

5

GND

(main sensor)

B135

29

0

0

Sub sensor signal

B135

31

Fully closed: 1

Fully opened: 3.5

Fully closed: 1

Fully opened: 3.5

Sub power supply

B135

22

5

5

GND

(sub sensor)

B135

30

0

0

Main light

B135

6

ON: 0

OFF: 10 — 13

ON: 0

OFF: 12 — 14

Cruise control set light

B135

3

ON: 0

OFF: 10 — 13

ON: 0

OFF: 12 — 14

Clutch switch

B136

25

When clutch pedal is depressed: 0

When brake pedal is released: 10 — 13

When clutch pedal is depressed: 0

When brake pedal is released: 12 — 14

Command switch

B135

24

ON: 10 — 13

OFF: 0

ON: 12 — 14

OFF: 0

Brake switch 1

B135

20

When brake pedal is depressed: 0

When brake pedal is released: 10 — 13

When brake pedal is depressed: 0

When brake pedal is released: 12 — 14

Brake switch 2

B135

28

When brake pedal is depressed: 10 — 13

When brake pedal is released: 0

When brake pedal is depressed: 12 — 14

When brake pedal is released: 0

Main switch

B135

12

ON: 10 — 13

OFF: 0

ON: 12 — 14

OFF: 0

CAN communication

Signal (+)

B136

27

Pulse signal

Signal (−)

B136

35

Pulse signal

Secondary air pipe pressure sensor

Signal

B134

27

1.7 — 2.4

1.1 — 1.6

Power supply

B134

19

5

5

GDN (sensor)

B134

29

0

0

Secondary air combination valve relay 1

B136

30

ON: 0

OFF: 10 — 13

ON: 0

OFF: 10 — 14

Secondary air pump relay

B136

8

ON: 0

OFF: 10 — 13

ON: 0

OFF: 12 — 14