Nissan Tiida C11. Manual - part 512

EC-698

< FUNCTION DIAGNOSIS >

[MR18DE]

ENGINE CONTROL SYSTEM

System Description

INFOID:0000000001161720

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

Component Parts Location

INFOID:0000000001161721

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

ENGINE CONTROL SYSTEM

EC-699

< FUNCTION DIAGNOSIS >

[MR18DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

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

EC-700

< FUNCTION DIAGNOSIS >

[MR18DE]

ENGINE CONTROL SYSTEM

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

ENGINE CONTROL SYSTEM

EC-701

< FUNCTION DIAGNOSIS >

[MR18DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

1.

Heated oxygen sensor 1

2.

Three way catalyst (Manifold)

3.

Heated oxygen sensor 2

4.

Three way catalyst (Under floor)

5.

Muffler

6.

Heated oxygen sensor 1 harness 
connector

7.

Heated oxygen sensor 2 harness 
connector

BBIA0733E