Nissan Cube. Manual - part 387

 

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Nissan Cube. Manual - part 387

 

 

EC-434

< ECU DIAGNOSIS INFORMATION >

[MR18DE]

ECM

34

(R)

36

(Y)

Throttle position sensor 2

Input

[Ignition switch: ON]
• Engine stopped
• Selector lever: D (CVT), 1st (M/T)
• Accelerator pedal: Fully released

Less than 4.75 V

[Ignition switch: ON]
• Engine stopped
• Selector lever: D (CVT), 1st (M/T)
• Accelerator pedal: Fully depressed

More than 0.36 V

36

(Y)

—

Sensor ground
(Throttle position sensor)

—

—

—

37

(W)

40

(—)

Knock sensor

Input

[Engine is running]
• Idle speed

2.5 V

38

(BR)

44

(GR)

Engine coolant tempera-
ture sensor

Input

[Engine is running]

0 - 4.8 V

Output voltage varies with engine 

coolant temperature.

40

(—)

—

Sensor ground
(Knock sensor)

—

—

—

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 - 4.0 V

42

(V)

51

(Y)

EVAP control system 
pressure sensor

Input

[Ignition switch: ON]

1.8 - 4.8 V

43

(P)

108

(B)

Fuel tank temperature 
sensor

Input

[Engine is running]

0 - 4.8 V

Output voltage varies with fuel 

tank temperature.

44

(GR)

—

Sensor ground
(Engine coolant tempera-
ture sensor)

—

—

—

45

(G)

52

(R)

Mass air flow sensor

Input

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

0.7 - 1.1 V

[Engine is running]
• Warm-up condition
• Engine speed : 2,500 rpm

1.3 - 1.7 V

46

(L)

55

(P)

Intake air temperature 
sensor

Input

[Engine is running]

0 - 4.8 V

Output voltage varies with intake 

air temperature.

48

(BR)

—

Sensor ground
(Refrigerant pressure 
sensor)

—

—

—

49

(V)

53

(LG)

A/F sensor 1

Input

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

Approximately 1.8 V

Output voltage varies with air fuel 

ratio.

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 - 1.0 V

Terminal No.

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/

Output

ECM

EC-435

< ECU DIAGNOSIS INFORMATION >

[MR18DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

51

(Y)

—

Sensor ground
(EVAP control system 
pressure sensor)

—

—

—

52

(R)

—

Sensor ground
(Mass air flow sensor)

—

—

—

53

(LG)

—

Sensor ground
(A/F sensor 1)

—

—

—

55

(P)

—

Sensor ground
(Intake air temperature 
sensor)

—

—

—

57

(GR)

64

(SB)

Battery current sensor

Input

[Engine is running]

• Battery: Fully charged 

*1

• Idle speed

2.6 - 3.5 V

59

(O)

—

Sensor ground
(Heated oxygen sensor 2)

—

—

—

61

(W)

62

(B)

Crankshaft position sen-
sor (POS)

Input

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

NOTE:
The pulse cycle changes depending 
on rpm at idle

4.0 V

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

4.0 V

62

(B)

—

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

—

—

—

63

(L)

—

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

—

—

—

64

(SB)

—

Sensor ground
(Battery current sensor)

—

—

—

Terminal No.

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/

Output

JMBIA0333GB

JMBIA0334GB

EC-436

< ECU DIAGNOSIS INFORMATION >

[MR18DE]

ECM

65

(Y)

63

(L)

Camshaft position sensor 
(PHASE)

Input

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

NOTE:
The pulse cycle changes depending 
on rpm at idle

0 - 5.0

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

0 - 5.0

66

(L)

108

(B)

Power supply for ECM
(Back-up)

Input

[Ignition switch: OFF]

BATTERY VOLTAGE

(11 - 14 V)

71

(Y)

108

(B)

Sensor power supply
[Battery current sensor]

—

[Ignition switch: ON]

5 V

72

(O)

36

(Y)

Sensor power supply
(Throttle position sensor)

—

[Ignition switch: ON]

5 V

73

(P)

108

(B)

Intake valve timing control 
solenoid valve

Output

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

BATTERY VOLTAGE

(11 - 14 V)

[Engine is running]
• Warm-up condition
• When revving engine up to 

2,000rpm Quickly

7 - 10 V

74

(W)

108

(B)

Sensor power supply
(Refrigerant pressure 
sensor)

Input

[Ignition switch: ON]

5 V

75

(R)

62

(B)

Sensor power supply
[Crankshaft position sen-
sor (POS)]

—

[Ignition switch: ON]

5 V

76

(LG)

51

(Y)

Sensor power supply
[EVAP control system 
pressure sensor]

—

[Ignition switch: ON]

5 V

78

(G)

63

(L)

Sensor power supply
[Camshaft position sen-
sor (PHASE)]

—

[Ignition switch: ON]

5 V

83

(P)

108

(B)

CAN communication line

Input/

Output

—

—

84

(L)

108

(B)

CAN communication line

Input/

Output

—

—

88

(LG)

108

(B)

Data link connector

Input/

Output

—

—

Terminal No.

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/

Output

JMBIA0045GB

JMBIA0046GB

PBIA4937J

ECM

EC-437

< ECU DIAGNOSIS INFORMATION >

[MR18DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

93

(L)

108

(B)

Ignition switch

Input

[Ignition switch: OFF]

0 V

[Ignition switch: ON]

BATTERY VOLTAGE

(11 - 14 V)

94

(SB)

95

(BR)

*2

(B)

*3

ASCD steering switch

Input

[Ignition switch: ON]
• ASCD steering switch: OFF

4 V

[Ignition switch: ON]
• MAIN switch: Pressed

0 V

[Ignition switch: ON]
• CANCEL switch: Pressed

1 V

[Ignition switch: ON]
• RESUME/ACCELERATE switch: 

Pressed

3 V

[Ignition switch: ON]
• SET/COAST switch: Pressed

2 V

95

(BR)

*2

(B)

*3

—

Sensor ground
(ASCD steering switch)

—

—

—

99

(W)

108

(B)

Stop lamp switch

Input

[Ignition switch: OFF]
• Brake pedal: Fully released

0 V

[Ignition switch: OFF]
• Brake pedal: Slightly depressed

BATTERY VOLTAGE

(11 - 14 V)

100

(SB)

108

(B)

ASCD brake switch

Input

[Ignition switch: ON]
• Brake pedal: Slightly depressed 

(CVT)

• Brake pedal and clutch pedal: 

Slightly depressed (M/T)

0 V

[Ignition switch: ON]
• Brake pedal: Fully released (CVT)
• Brake pedal and/or clutch pedal: 

Fully released (M/T)

BATTERY VOLTAGE

(11 - 14 V)

102

(O)

108

(B)

Sensor power supply
(Accelerator pedal posi-
tion sensor 2)

—

[Ignition switch: ON]

5 V

103

(G)

104

(R)

Accelerator pedal posi-
tion sensor 2

Input

[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully released

0.3 - 0.6 V

[Ignition switch: ON]
• Engine stopped
• Accelerator pedal: Fully depressed

1.95 - 2.4 V

104

(R)

—

Sensor ground
(Accelerator pedal posi-
tion sensor 2)

—

—

—

105

(G)

108

(B)

Power supply for ECM

Input

[Ignition switch: ON]

BATTERY VOLTAGE

(11 - 14 V)

106

(V)

108

(B)

Sensor power supply
(Accelerator pedal posi-
tion sensor 1)

—

[Ignition switch: ON]

5 V

Terminal No.

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/

Output

 

 

 

 

 

 

 

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