Nissan Qashqai (2007-2010). Manual — part 368

ENGINE CONTROL SYSTEM

EC-991

< FUNCTION DIAGNOSIS >

[MR20DE (WITHOUT EURO-OBD)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

FUNCTION DIAGNOSIS

ENGINE CONTROL SYSTEM

System Diagram

INFOID:0000000001094049

System Description

INFOID:0000000001094050

JMBIA0453GB

EC-992

< FUNCTION DIAGNOSIS >

[MR20DE (WITHOUT EURO-OBD)]

ENGINE CONTROL SYSTEM

ECM performs various controls such as fuel injection control and ignition timing control.

Component Parts Location

INFOID:0000000001094051

1.

Ignition coil (with power transistor)
and spark plug

2.

PCV valve

3.

Refrigerant pressure sensor

4.

Fuel injector

5.

Knock sensor

6.

Cooling fan motor

7.

Camshaft position sensor (PHASE)

8.

Engine coolant temperature sensor

9.

IPDM E/R

10. ECM

11.

Mass air flow sensor (with intake
temperature sensor)

12. Electric throttle control actuator

(with built in throttle position sensor
and throttle control motor)

13. EVAP canister purge volume control

solenoid valve

1.

ECM

2.

IPDM E/R

3.

Fuel pump fuse (15A)

JMBIA0338ZZ

JMBIA0340ZZ

ENGINE CONTROL SYSTEM

EC-993

< FUNCTION DIAGNOSIS >

[MR20DE (WITHOUT EURO-OBD)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

1.

Electric throttle control actuator
(with built-in position sensor, throttle
control motor)

2.

Throttle valve

1.

EVAP canister purge volume control
solenoid valve

2.

Mass air flow sensor
(with intake air temperature sensor)

1.

Camshaft position sensor

2.

Engine coolant temperature sensor

JMBIA0341ZZ

JMBIA0342ZZ

JMBIA0343ZZ

EC-994

< FUNCTION DIAGNOSIS >

[MR20DE (WITHOUT EURO-OBD)]

ENGINE CONTROL SYSTEM

PBIB2942E

1.

Heated oxygen sensor 1 harness
connector

2.

Heated oxygen sensor 1

3.

Heated oxygen sensor 2

4.

Heated oxygen sensor 2 harness
connector

1.

PCV valve

2.

Ignition coil (with power transistor)
and spark plug

3.

Fuel injection

JMBIA0454ZZ

JMBIA0344ZZ

JMBIA0345ZZ