Nissan Qashqai (2007-2010). Manual — part 377

COOLING FAN CONTROL

EC-1027

< FUNCTION DIAGNOSIS >

[MR20DE (WITHOUT EURO-OBD)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

Cooling Fan Operation

Cooling Fan Relay Operation

The ECM controls cooling fan relays through CAN communication line.

Component Parts Location

INFOID:0000000001115787

MBIB1451E

Cooling fan speed

Cooling fan relay

1

3

Stop (OFF)

OFF

OFF

Low (LOW)

ON

OFF

High (HI)

OFF

ON

EC-1028

< FUNCTION DIAGNOSIS >

[MR20DE (WITHOUT EURO-OBD)]

COOLING FAN CONTROL

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

COOLING FAN CONTROL

EC-1029

< 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-1030

< FUNCTION DIAGNOSIS >

[MR20DE (WITHOUT EURO-OBD)]

COOLING FAN CONTROL

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