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

ELECTRICAL SPECIFICATION

Description

Connector No.

Terminal No.

Signal (V)

Note

Ignition SW ON

(engine OFF)

Engine ON

(idling)

Crankshaft position sensor

Signal (+)

B134

13

0

−7 — +7

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

—

—

Waveform

Signal 2

B136

2

—

—

Waveform

Rear oxygen sensor heater signal

B136

4

0 — 13

—

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.

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

—

Wastegate control solenoid valve

B137

27

0 or 10 — 13

0 or 12 — 14

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

—

Ignition switch

B135

19

10 — 13

12 — 14

—

Delivery (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

10 — 13

12 — 14

—

Signal 2

B135

33

0 or 5

0 or 5

Waveform

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 1

B137

29

ON: 1 or less

OFF: 10 — 13

ON: 1 or less

OFF: 12 — 14

Waveform

Purge control solenoid valve 2

B136

7

ON: 1 or less

OFF: 10 — 13

ON: 1 or less

OFF: 12 — 14

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

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 or less ←→ 4 or more

1 or less ←→ 4 or more

—

Intake camshaft position sensor (LH)

B134

21

0 or 5

0 or 5

Waveform

Intake camshaft position sensor (RH)

B134

11

0 or 5

0 or 5

Waveform

GND (intake camshaft position sensor LH & RH)

B134

22

0

0

—

Electric

throttle control

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 open: 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 open: 4.17

Power supply

B134

19

5

5

—

GND

(sensor)

B134

29

0

0

—

Electronic throttle control motor (+)

B137

5

Duty waveform

Duty waveform

Drive frequency: 500 Hz

Electronic throttle control motor (−)

B137

4

Duty waveform

Duty waveform

Drive frequency: 500 Hz

Electronic throttle control motor power supply

B136

1

10 — 13

12 — 14

—

Electronic throttle control 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 valve (LH)

Signal (+)

B137

15

ON: 10 — 13

OFF: 0

ON: 12 — 14

OFF: 0

—

Signal (−)

B137

14

0

0

—

Oil flow control solenoid valve (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: 3.3

Fully closed: 1

Fully opened: 3.3

—

Main power supply

B135

21

5

5

—

GND

(main sensor)

B135

29

0

0

—

Sub sensor signal

B135

31

Fully closed: 1

Fully opened: 3.3

Fully closed: 1

Fully opened: 3.3

—

Shield

B136

6

0

0

—

Sub power supply

B135

22

5

5

—

GND

(sub sensor)

B135

30

0

0

—

Starter relay

B136

20

ON: 0

OFF: 10 — 13

ON: 0

OFF: 12 — 14

ON: cranking

A/C middle pressure switch

B136

33

ON: 0

OFF: 10 — 13

ON: 0

OFF: 12 — 14

—

Clutch switch

B136

25

When clutch pedal is depressed: 0

When clutch pedal is released: 10 — 13

When clutch pedal is depressed: 0

When clutch pedal is released: 12 — 14

—

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

—

Cruise control command switch

B135

24

When not operating: 3.5 — 4.5

When operating RES/ACC: 2.5 — 3.5

When operating SET/COAST: 0.5 — 1.5

When operating CANCEL: 0 — 0.5

When not operating: 3.5 — 4.5

When operating RES/ACC: 2.5 — 3.5

When operating SET/COAST: 0.5 — 1.5

When operating CANCEL: 0 — 0.5

—

Cruise control main switch

B135

12

ON: 0

OFF: 5

ON: 0

OFF: 5

—

Neutral position switch

B136

31

ON: 10 — 13

OFF: 0

ON: 12 — 14

OFF: 0

—

Immobilizer

Signal 1

B136

26

—

—

—

Signal 2

B136

34

—

—

—

CAN communication (+)

B136

27

—

—

—

CAN communication (−)

B136

35

—

—

—

AT/MT identification

B136

15

0

0

—

Self-shutoff control

B136

23

0

0

—

Steering wheel switch signal

B136

14

0

0

—

generator control

B136

10

0 — 6.5

0 — 6.5

—

Tumble generator valve position sensor signal (RH)

B134

26

Fully closed: 0.4 — 1.2

Fully open: 2.8 — 4.6

Fully closed: 0.4 — 1.2

Fully open: 2.8 — 4.6

—

Tumble generator valve position sensor signal (LH)

B134

16

Fully closed: 0.4 — 1.2

Fully open: 2.8 — 4.6

Fully closed: 0.4 — 1.2

Fully open: 2.8 — 4.6

—

Tumble generator valve (RH closed)

B137

23

0 or 10 — 13

0 or 12 — 14

—

Tumble generator valve (LH closed)

B137

13

0 or 10 — 13

0 or 12 — 14

—

Tumble generator valve (RH open)

B137

22

0 or 10 — 13

0 or 12 — 14

—

Tumble generator valve (LH open)

B137

12

0 or 10 — 13

0 or 12 — 14

—

Secondary air pipe pressure sensor

Signal

B134

27

2.2 — 2.8

2.2 — 2.8

When secondary air is inducted: 3.2 — 4.9

Power supply

B134

19

5.12

5.12

—

GND (sensor)

B134

29

0

0

Secondary air combination valve relay

B135

15

ON: 0

OFF: 10 — 13

ON: 0

OFF: 12 — 14

—

Secondary air pump relay

B136

8

ON: 0

OFF: 10 — 13

ON: 0

OFF: 12 — 14

—

Ground

Ignition system

B137

6

0

0

—

B137

26

0

0

—

Sensor

B134

29

0

0

—

Engine 1

B134

5

0

0

—

Engine 2

B137

7

0

0

—

Engine 3

B137

2

0

0

—

Engine 4

B137

1

0

0

—

Engine 5

B137

3

0

0

—

Body

B136

6

0

0

—

Input/output name

Measuring condition

Waveform

1. Crankshaft position sensor

At idling

2. Camshaft position sensor

At idling