Nissan Tiida C11. Manual - part 522

EC-738

< FUNCTION DIAGNOSIS >

[MR18DE]

COOLING FAN CONTROL

Models with A/C

Models without A/C

Cooling Fan Relay Operation

The ECM controls cooling fan relays through CAN communication line.

PBIB2483E

PBIB3335E

Cooling fan speed

Cooling fan relay

1

2

3

Stop (OFF)

OFF

OFF

OFF

Low (LOW)

ON

OFF

OFF

High (HI)

OFF

ON

ON

COOLING FAN CONTROL

EC-739

< FUNCTION DIAGNOSIS >

[MR18DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

Component Parts Location

INFOID:0000000001603914

1.

Ignition coil (with power transistor) 
and spark plug

2.

Intake valve timing control solenoid 
valve

3.

Refrigerant pressure sensor

4.

Knock sensor

5.

Fuel injector

6.

Cooling fan motor

7.

Camshaft position sensor (PHASE)

8.

IPDM E/R

9.

ECM

10. Mass air flow sensor (with intake 

temperature sensor)

11.

Engine coolant 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

PBIB3261E

EC-740

< FUNCTION DIAGNOSIS >

[MR18DE]

COOLING FAN CONTROL

1.

Mass air flow sensor
(with intake air temperature sensor)

2.

Engine coolant temperature sensor

3.

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

4.

PCV valve

5.

Cooling fan motor

6.

Resistor

7.

Refrigerant pressure sensor

BBIA0724E

COOLING FAN CONTROL

EC-741

< FUNCTION DIAGNOSIS >

[MR18DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

1.

Intake valve timing control solenoid 
valve

2.

Knock sensor

3.

IPDM E/R

4.

Fuel pump fuse

5.

Fuel level sensor unit and fuel pump 
harness connector
(view with inspection hole cover re-
moved)

6.

Fuel level sensor unit and fuel pump

7.

Fuel pressure regulator

8.

Fuel level sensor

9.

Fuel tank temperature sensor

10. Ignition coil

11.

Fuel injector

BBIA0735E