Nissan Qashqai (2007-2010). Manual - part 201

ECM

EC-323

< ECU DIAGNOSIS >

[HR16DE (WITH EURO-OBD)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

33

Ground

L/R

Throttle position sensor 1

Input

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

leased

More than 0.36V

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

pressed

Less than 4.75V

34

Ground

L/O

Throttle position sensor 2

Input

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

leased

Less than 4.75V

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

pressed

More than 0.36V

36

Ground

V/W

Sensor ground
(Throttle position sensor)

—

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

0V

37

Ground

W

Knock sensor

Input

[Engine is running]
• Idle speed

2.5V

38

Ground

GR/B

Engine coolant temperature 
sensor

Input

[Engine is running]

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

40

Ground

—

Sensor ground
(Knock sensor)

—

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

0V

41

Ground

G/P

Refrigerant pressure sensor

Input

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

fan motor switch: ON (Com-
pressor operates)

1.0 - 4.0V

44

Ground

B

Sensor ground
(Engine coolant temperature 
sensor)

—

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

0V

45

Ground

BR

Mass air flow sensor

Input

[Ignition switch ON]
• Engine stopped

0.4V

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

1.0 - 1.3V

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

to about 4,000 rpm

1.0 - 1.3 to 2.4V (Check for linear 
voltage rise in response to en-
gine being increased to about 
4,000 rpm.)

46

Ground

V

Intake air temperature sen-
sor

Input

[Engine is running]

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

48

Ground

R/L

Sensor ground
(Refrigerant pressure sen-
sor)

—

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

0V

Terminal No.

Wire 

color

Description

Condition

Value

(Approx.)

+

-–

Signal name

Input/

Output

EC-324

< ECU DIAGNOSIS >

[HR16DE (WITH EURO-OBD)]

ECM

49

Ground

L/G

Heated oxygen sensor 1

—

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

0 - 1.0V
(Periodically change)

50

Ground

Y

Heated oxygen sensor 2

Input

[Engine is running]
• Revving engine from idle to 

3,000 rpm quickly after 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

0 - 1.0V

52

Ground

LG

Sensor ground
(Mass air flow sensor)

—

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

0V

55

Ground

O

Sensor power supply
(Intake air temperature sen-
sor)

—

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

0V

56

Ground

P

Sensor ground
(Heated oxygen sensor 1)

—

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

0V

59

Ground

SB

Sensor ground
(Heated oxygen sensor 2)

—

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

0V

61

Ground

LG/B

Crankshaft position sensor 
(POS)

Input

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

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

0 - 1.0V

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

0 - 1.0V

62

Ground

GR/L

Sensor ground
[Crankshaft position sensor 
(POS)]

—

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

0V

63

Ground

L

Sensor ground
[Camshaft position sensor 
(PHASE)]

—

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

0V

Terminal No.

Wire 

color

Description

Condition

Value

(Approx.)

+

-–

Signal name

Input/

Output

MBIB1453E

MBIB1454E

ECM

EC-325

< ECU DIAGNOSIS >

[HR16DE (WITH EURO-OBD)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

65

Ground

G

Camshaft position sensor 
(PHASE)

Input

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

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

0 - 1.0V

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

0 - 1.0V

69

Ground

W/B

Neutral position switch

Input

[Ignition switch: ON]
• Neutral

BATTERY VOLTAGE
(11 - 14V)

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

position

0V

72

Ground

V/R

Sensor power supply
(Throttle position sensor)

—

[Ignition switch: ON]

5V

73

Ground

Y/R

Intake valve timing control 
solenoid valve

Output

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

BATTERY VOLTAGE 
(11 - 14V)

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

7 - 10V

74

Ground

Y/W

Sensor power supply
(Refrigerant pressure sen-
sor)

—

[Ignition switch: ON]

5V

75

Ground

L/W

Sensor power supply
[Crankshaft position sensor 
(POS)]

—

[Ignition switch: ON]

 5V

78

Ground

Y/V

Sensor power supply
[Camshaft position sensor 
(PHASE)]

—

[Ignition switch: ON]

5V

83

Ground

P

CAN communication line

Input/

Output

—

—

84

Ground

L

CAN communication line

Input/

Output

—

—

88

Ground

O

Data link connector

Input/

Output

[Ignition switch: ON]
• CONSULT-III or GST: Dis-

connected

2.7V

93

Ground

W/L

Ignition switch

Input

[Ignition switch: OFF]

0V

[Ignition switch: ON]

BATTERY VOLTAGE
(11 - 14V)

Terminal No.

Wire 

color

Description

Condition

Value

(Approx.)

+

-–

Signal name

Input/

Output

MBIB1455E

MBIB1456E

PBIA4937J

EC-326

< ECU DIAGNOSIS >

[HR16DE (WITH EURO-OBD)]

ECM

94

Ground

V

ASCD steering switch

Input

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

4V

[Ignition switch: ON]
• CANCEL switch: Pressed

1V

[Ignition switch: ON]
• MAIN switch: Pressed

0V

[Ignition switch: ON]
• RESUME/ACCELERATE 

switch: Pressed

3V

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

Pressed

2V

95

Ground

B

Sensor ground
(ASCD steering switch)

—

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

0V

99

Ground

R/W

Stop lamp switch

Input

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

0V

[Ignition switch: OFF]
• Brake pedal: Slightly de-

pressed

BATTERY VOLTAGE
(11 - 14V)

100

Ground

R

ASCD brake switch

Input

[Ignition switch: ON]
• Brake pedal and clutch ped-

al: Slightly depressed

0V

[Ignition switch: ON]
• Brake pedal and/or clutch 

pedal: Fully released

BATTERY VOLTAGE
(11 - 14V)

102

Ground

BR

Sensor power supply
(Accelerator pedal position 
sensor 2)

—

[Ignition switch: ON]

5V

103

Ground

GR

Accelerator pedal position 
sensor 2

Input

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

leased

0.3 - 0.6V

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

pressed

1.95 - 2.4V

104

Ground

Y

Sensor ground
(Accelerator pedal position 
sensor 2)

—

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

0V

105

Ground

G

Power supply for ECM

Input

[Ignition switch: ON]

BATTERY VOLTAGE
(11 - 14V)

106

Ground

V

Sensor power supply
(Accelerator pedal position 
sensor 1)

—

[Ignition switch: ON]

5V

108

Ground

B

ECM ground

—

[Engine is running]
• Idle speed

Body ground

Terminal No.

Wire 

color

Description

Condition

Value

(Approx.)

+

-–

Signal name

Input/

Output