Nissan Qashqai J11. Manual - part 484

 

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Nissan Qashqai J11. Manual - part 484

 

 

ECM

EC9-91

< ECU DIAGNOSIS INFORMATION >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC9

N

P

O

31

(W)

30

(Y)

Accelerator pedal position 
sensor 1

Input

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

leased

0.74 V

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

pressed

4.54 V

32

(B)

—

ECM ground

—

—

—

35

(R)

29

(B)

Glow plug control (com-
mand)

Output

[Engine is running]
• Engine coolant temperature: 

less than 20

°

C (68

°

F)

• Idle speed

12.91 V

[Engine is running]
• Engine coolant temperature: 

more than 80

°

C (176

°

F)

• Idle speed

12.8 V

37

(LG)

29

(B)

Voltage stabilizer signal

Output

[Stop/start system operates]
• While cranking of restart

(While operating the starter mo-

tor)

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

Battery voltage

[Ignition switch: ON]

12.39 V

38

(GR)

29

(B)

Fuel pump relay control

Output

[Ignition switch: ON]
• Fuel Pump relay always is on

0 – 5.17 V

41

(G)

29

(B)

ECM relay
(Self shut-off)

Output

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

nition switch OFF

0.78 V

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

turning ignition switch OFF

12.42 V

42

(Y)

29

(B)

Restart relay

Output

[Stop/start system operate]
• While cranking of restart

0 V

(While operating the starter mo-

tor)

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

11.38 V

43

(R)

29

(B)

Fuel flow actuator

Output

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

9.6 V

46

(P)

29

(B)

Thermoplunger relay 2

Output

[Engine is running]
During diesel particulate filter re-
generation mode

0 V

[Engine is running]
Except above

13.20 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/

Output

JSBIA5055GB

EC9-92

< ECU DIAGNOSIS INFORMATION >

[R9M]

ECM

49

(G)

29

(B)

Intake manifold runner con-
trol valve motor (-)

Output

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

14.43 V

50

(BG)

29

(B)

Thermoplunger relay 1

Output

[Engine is running]
During diesel particulate filter re-
generation mode

0 V

[Engine is running]
Except above

13.68 V

53

(Y)

29

(B)

Engine coolant bypass con-
trol solenoid valve

Output

[Engine is running]
Engine cooling temperature: 
70

°

C (158

°

F) or more

14.42 V

[Engine is running]
Engine coolant temperature: 
less than 30

°

C (86

°

F)

14.42 V

55

(V)

29

(B)

Sensor power supply
(Camshaft position sensor, 
Low pressure EGR volume 
control valve position sen-
sor, Fuel pressure sensor)

—

[Ignition switch: ON]

5 V

56

(B)

29

(B)

Crankshaft position sensor

Input

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

NOTE:
The pulse cycle changes de-
pending on rpm at idle

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

57

(SB)

29

(B)

Thermoplunger relay 3

Output

[Engine is running]
During diesel particulate filter re-
generation mode

0 V

[Engine is running]
Except above

13.67 V

59

(Y)

29

(B)

Sensor power supply
(Turbocharger boost sensor, 
mass air flow sensor)

—

[Ignition switch: ON]

5.0 V

60

(R)

29

(B)

Sensor power supply
(Crankshaft position sensor)

—

[Ignition switch: ON]

5.0 V

63

(LG)

29

(B)

Thermoplunger diagnosis 1

Input

[Engine is running]
• Idle speed
• No malfunction in ther-

moplunger system.

13.97 V

65

(SB)

—

Sensor ground
(Low pressure EGR volume 
control valve position sen-
sor)

—

—

—

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/

Output

JSBIA4815ZZ

JSBIA4816ZZ

ECM

EC9-93

< ECU DIAGNOSIS INFORMATION >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EC9

N

P

O

66

(SB)

—

Sensor ground
(Fuel pressure sensor)

—

—

—

67

(W)

—

Glow plug control unit (diag-
nosis)

Input

[Engine is running]
• Idle speed
• No malfunction in glow control 

system.

1.50 V

68

(G)

29

(B)

Engine communication line

Input/

Output

[Ignition switch: ON]

69

(L)

29

(B)

Low pressure EGR control 
valve position sensor

Input

Ignition switch: ON

1.21 V

Output voltage varies with low 

pressure EGR control valve po-

sition.

70

(Y)

—

Sensor ground
(Camshaft position sensor)

—

—

—

71

(L)

70

(Y)

Camshaft position sensor 

Input

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

NOTE:
The pulse cycle changes de-
pending on rpm at idle

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

73

(GR)

—

Sensor ground
(Fuel rail pressure sensor)

—

—

—

74

(R)

82

(G)

Intake air temperature sen-
sor 1

Input

[Engine is running]
• Warm-up condition

2.38 V

Output voltage varies with intake 

air temperature.

76

(Y)

29

(B)

Thermoplunger diagnosis 2

Input

[Engine is running]
• Idle speed
• No malfunction in ther-

moplunger system.

13.9 V

77

(BR)

66

(SB)

Fuel rail pressure sensor

Input

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

1.13 V

[Engine is running]
• Warm-up condition
• Revving engine from idle to 

2,000 rpm quickly

1.77 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/

Output

JSBIA4817ZZ

JSBIA4818ZZ

JSBIA4819ZZ

EC9-94

< ECU DIAGNOSIS INFORMATION >

[R9M]

ECM

78

(P)

82

(G)

Mass air flow sensor

Input

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

4.49 V

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

4.58 V

80

(W)

29

(B)

Reverse/Neutral position 
switch (M/T)
Transmission range switch 
(CVT)

Input

[Ignition switch: ON]
• Selector lever: N or P (CVT)
• Shift lever: Neutral (M/T)

Battery voltage

[Ignition switch: ON]
• Selector lever or shift lever: 

Except above

0 V

81

(L)

—

Sensor ground
(Turbocharger boost sensor, 
Intake air temperature sen-
sor 2)

—

—

—

82

(G)

—

Sensor ground
(Mass air flow sensor)

—

—

—

85

(V)

81

(L)

Turbocharger boost sensor

Input

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

1.17 V

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

1.15 V

86

(R)

81

(L)

Intake air temperature sen-
sor 2

Input

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

2.33 V

Output voltage varies with intake 

air temperature.

88

(W)

66

(SB)

Fuel pressure sensor

Input

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

1.13 V

[Engine is running]
• Warm-up condition
• Revving engine from idle to 

2,000 rpm quickly

1.77 V

89

(BR)

29

(B)

A/F sensor heater

Input

[Engine is running]
After the vehicles is driven for 6 
minutes under the following con-
ditions
• Warm-up condition
• Vehicle speed: 80 km/h (50 

MPH) or more

• Shift lever: Suitable gear posi-

tion

91

(G)

73

(GR)

Sensor power supply
(Fuel rail pressure sensor)

—

[Ignition switch: ON]

5.0 V

93

(B)

29

(B)

Fuel heater relay control

Output

[Ignition switch: ON]
• Fuel temperature: less than 

45

°

C (113

°

F)

0.05 V

[Engine is running]
• Warm-up condition
• Fuel temperature: 65

°

C 

(149

°

F) or more

14.43 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/

Output

JSBIA4820ZZ

 

 

 

 

 

 

 

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