Nissan Qashqai (2007-2010). Manual - part 356

ECM

EC-943

< ECU DIAGNOSIS >

[MR20DE (WITH EURO-OBD)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

65

Ground

R

Camshaft position sensor 
(PHASE)

Input

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

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

1.0 - 2.0

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

1.0 - 2.0

69

Ground

W/B

PNP switch

Input

[Ignition switch: ON]
• Shift lever: P or N (CVT), 

Neutral (M/T)

BATTERY VOLTAGE
(11 - 14V)

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

0V

72

Ground

L

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

0V

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

7 - 10V

74

Ground

L

Sensor power supply
(Refrigerant pressure sen-
sor)

Input

[Ignition switch: ON]

5V

75

Ground

G

Sensor power supply
[Crankshaft position sensor 
(POS)]

—

[Ignition switch: ON]

5V

78

Ground

LG

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

10.5V

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

JMBIA0335GB

JMBIA0336GB

JMBIA0337GB

EC-944

< ECU DIAGNOSIS >

[MR20DE (WITH EURO-OBD)]

ECM

94

Ground

V

ASCD steering switch

Input

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

4V

[Ignition switch: ON]
• MAIN switch: Pressed

0V

[Ignition switch: ON]
• CANCEL switch: Pressed

1V

[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

G/B

ASCD brake switch

Input

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

pressed (CVT)

• Brake pedal and clutch ped-

al: Slightly depressed (M/T)

0V

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

(CVT)

• Brake pedal and/or clutch 

pedal: Fully released (M/T)

BATTERY VOLTAGE
(11 - 14V)

102

Ground

BR/Y

Sensor power supply
(Accelerator pedal position 
sensor 2)

—

[Ignition switch: ON]

5V

104

Ground

B

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

O

Sensor power supply
(Accelerator pedal position 
sensor 1)

—

[Ignition switch: ON]

5V

108

Ground

B

ECM ground

—

[Engine is running]
• Idle speed

Body ground

110

Ground

R

Accelerator pedal position 
sensor 1

Input

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

leased

0.6 - 0.9V

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

pressed

3.9 - 4.7V

Terminal No.

Wire 

color

Description

Condition

Value

(Approx.)

+

-–

Signal name

Input/

Output

ECM

EC-945

< ECU DIAGNOSIS >

[MR20DE (WITH EURO-OBD)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)

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

111

Ground

B/Y

Sensor ground
(Accelerator pedal position 
sensor 1)

—

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

0V

Terminal No.

Wire 

color

Description

Condition

Value

(Approx.)

+

-–

Signal name

Input/

Output

EC-946

< ECU DIAGNOSIS >

[MR20DE (WITH EURO-OBD)]

ECM

Wiring Diagram - ENGINE CONTROL SYSTEM -

INFOID:0000000000936972

JCBWA0190GB