Nissan Tiida C11. Manual - part 586

EC-994

< ECU DIAGNOSIS >

[MR18DE]

ECM

5

(G)

59

(O)

Heated oxygen sensor 2 
heater

Output

[Engine is running]
• Engine speed: Below 3,600 rpm af-

ter the following conditions are met

- Engine: after warming up
- Keeping the engine speed between 

3,500 and 4,000 rpm for 1 minute 
and at idle for 1 minute under no 
load

10V

[Ignition switch: ON]
• Engine stopped
[Engine is running]
• Engine speed: Above 3,600 rpm

BATTERY VOLTAGE
(11 - 14V)

9

(P)

108

(B)

EVAP canister purge vol-
ume control solenoid 
valve

Output

[Engine is running]
• Idle speed
• Accelerator pedal: Not depressed 

even slightly, after engine starting

BATTERY VOLTAGE

(11 - 14V)

[Engine is running]
• Engine speed: About 2,000 rpm 

(More than 100 seconds after start-
ing engine.)

10V

10

(B)

11

(B)

—

ECM ground

—

—

—

15

(Y)

108

(B)

Throttle control motor re-
lay

Output

[Ignition switch: OFF]

BATTERY VOLTAGE
(11 - 14V) 

[Ignition switch: ON]

0 - 1.0V

17

(R)

108

(B)

Ignition signal No. 1

Output

[Engine is running]
• Warm-up condition
• Idle speed

NOTE:
The pulse cycle changes depending 
on rpm at idle

0 - 0.3V

18

(LG)

Ignition signal No. 2

21

(G)

Ignition signal No. 4

[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm

0.2 - 0.5V

22

(SB)

Ignition signal No. 3

Terminal No.

Description

Condition

Value

(Approx.)

+

-–

Signal  name

Input/

Output

JMBIA0325GB

JMBIA0327GB

JMBIA0328GB

JMBIA0329GB

JMBIA0330GB

ECM

EC-995

< ECU DIAGNOSIS >

[MR18DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

23

(GR)

108

(B)

Fuel pump relay

Output

[Ignition switch: ON]
• For 1 second after turning ignition 

switch ON

[Engine is running]

0 - 1.0V

25

(V)

108

(B)

Fuel injector No. 4

Output

[Engine is running]
• Warm-up condition
• Idle speed

NOTE:
The pulse cycle changes depending 
on rpm at idle

BATTERY VOLTAGE

(11 - 14V)

29

(Y)

Fuel injector No. 3

30

(O)

Fuel injector No. 2

[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm

BATTERY VOLTAGE

(11 - 14V)

31

(L)

Fuel injector No. 1

32

(P)

108

(B)

ECM relay
(Self shut-off)

Output

[Engine is running]
[Ignition switch: OFF]
• A few seconds after turning ignition 

switch OFF

0 - 1.0V

[Ignition switch: OFF]
• More than a few seconds after turn-

ing ignition switch OFF

BATTERY VOLTAGE
(11 - 14V)

33

(LG)

36

(Y)

Throttle position sensor 1

Input

[Ignition switch: ON]
• Engine stopped
• Shift lever: 1st
• Accelerator pedal: Fully released

More than 0.36V

[Ignition switch: ON]
• Engine stopped
• Shift  lever:1st
• Accelerator pedal: Fully depressed

Less than 4.75V

34

(O)

36

(Y)

Throttle position sensor 2

Input

[Ignition switch: ON]
• Engine stopped
• Shift  lever:1st
• Accelerator pedal: Fully released

Less than 4.75V

[Ignition switch: ON]
• Engine stopped
• Shift  lever:1st
• Accelerator pedal: Fully depressed

More than 0.36V

36

(Y)

—

Sensor ground
(Throttle position sensor)

—

—

—

37

(W)

40

—

Knock sensor

Input

[Engine is running]
• Idle speed

2.5V

38

(P)

44

(B)

Engine coolant tempera-
ture sensor

Input

[Engine is running]

0 - 4.8V
Output voltage varies with engine 
coolant temperature.

40

(B)

—

Sensor ground
(Knock sensor)

—

—

—

Terminal No.

Description

Condition

Value

(Approx.)

+

-–

Signal name

Input/

Output

JMBIA0331GB

JMBIA0332GB

E

C

- 9

9

6

< ECU DIAGNOSIS >

[MR18DE]

ECM

41

(GR)

48

(BR)

Refrigerant pressure sen-
sor

Input

[Engine is running]
• Warm-up condition
• Both A/C switch and blower fan mo-

tor switch: ON (Compressor oper-
ates)

1.0 - 4.0V

44

(B)

—

Sensor ground
(Engine coolant tempera-
ture sensor)

—

—

—

45

(G)

52

(LG)

Mass air flow sensor

Input

[Ignition switch: ON]
• Engine stopped

0.4V

[Engine is running]
• Warm-up condition
• Idle speed

0.9 - 1.2V

[Engine is running]
• Warm-up condition
• Engine is revving from idle to about 

4,000 rpm

0.9 - 1.2 to 2.4V (Check for linear 
voltage rise in response to en-
gine being increased to about 
4,000 rpm.)

46

(V)

55

(O)

Intake air temperature 
sensor

Input

[Engine is running]

0 - 4.8V
Output voltage varies with intake 
air temperature.

48

(BR)

—

Sensor ground
(Refrigerant pressure 
sensor)

—

—

—

49

(W)

56

(B)

Heated oxygen sensor 1

Input

[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm

0 - 1.0V

50

(W)

59

(O)

Heated oxygen sensor 2

Input

[Engine is running]
• Revving engine from idle to 3,000 

rpm quickly after the following condi-
tions are met

- Engine: after warming up
- Keeping the engine speed between 

3,500 and 4,000 rpm for 1 minute 
and at idle for 1 minute under no 
load

0 - 1.0V

52

(LG)

—

Sensor ground
(Mass air flow sensor)

—

—

—

55

(O)

—

Sensor ground
(Intake air temperature 
sensor)

—

—

—

56

(B)

—

Sensor ground
(Heated oxygen sensor 1)

—

—

—

59

(O)

—

Sensor ground
(Heated oxygen sensor 2)

—

—

—

Terminal No.

Description

Condition

Value

(Approx.)

+

-–

Signal  name

Input/

Output

ECM

EC-997

< ECU DIAGNOSIS >

[MR18DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

61

(W)

62

(R)

Crankshaft position sen-
sor (POS)

Input

[Engine is running]
• Warm-up condition
• Idle speed

NOTE:
The pulse cycle changes depending 
on rpm at idle

4.0V

[Engine is running]
• Engine speed: 2,000 rpm

4.0V

62

(R)

—

Sensor ground
[Crankshaft position sen-
sor (POS)]

—

—

—

63

(L)

—

Sensor ground
[Camshaft position sen-
sor (PHASE)]

—

—

—

65

(G)

63

(BR)

Camshaft position sensor 
(PHASE)

Input

[Engine is running]
• Warm-up condition
• Idle speed

NOTE:
The pulse cycle changes depending 
on rpm at idle

1.0 - 2.0

[Engine is running]
• Engine speed is 2,000 rpm

1.0 - 2.0

69

(L)

108

(B)

PNP switch

Input

[Ignition switch: ON]
• Shift lever: Neutral

BATTERY VOLTAGE
(11 - 14V)

[Ignition switch: ON]
• Shift lever: Except above

0V

72

(V)

36

(Y)

Sensor power supply
(Throttle position sensor)

—

[Ignition switch: ON]

5V

Terminal No.

Description

Condition

Value

(Approx.)

+

-–

Signal name

Input/

Output

JMBIA0333GB

JMBIA0334GB

JMBIA0335GB

JMBIA0336GB