Nissan Qashqai (2007-2010). Manual — part 441

TURBOCHARGER BOOST CONTROL

EC-1283

< FUNCTION DIAGNOSIS >

[K9K]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

TURBOCHARGER BOOST CONTROL

Vacuum Hose Drawing

INFOID:0000000001078841

System Description

INFOID:0000000001078839

The turbocharger system consists of a solenoid valve connected to the vacuum pump circuit; this enables the
vanes to be controlled by means of a diaphragm so as to create either an overpressure or a vacuum in the
fresh air inlet circuit.

Component Parts Location

INFOID:0000000001078840

1.

Turbocharger boost control solenoid
valve

2.

Air cleaner

3.

Turbocharger

4.

Rocker cover

5.

Vacuum pump

NOTE: Do not use soapy water or any type of solvent while installing vacuum hose.

JMBIA0430ZZ

EC-1284

< FUNCTION DIAGNOSIS >

[K9K]

TURBOCHARGER BOOST CONTROL

1.

Fuel injector

2.

Glow plug

3.

Fuel rail pressure sensor

4.

Crankshaft position sensor

5.

Turbocharger boost sensor

6.

Engine coolant temperature sensor

7.

Glow relay

8.

Turbocharger boost control solenoid
valve

9.

ECM

10. Mass air flow sensor (with intake air

temperature sensor)

11.

Electric throttle control actuator

12. Camshaft position sensor

13. EGR volume control valve

JMBIA0429ZZ

TURBOCHARGER BOOST CONTROL

EC-1285

< FUNCTION DIAGNOSIS >

[K9K]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

: Vehicle front

1.

Mass air flow sensor (with intake air
temperature sensor)

2.

Engine coolant temperature sensor

1.

Camshaft Position Sensor

2.

Fuel injector

: Vehicle front

1.

Crankshaft position sensor

2.

Turbocharger boost control solenoid
valve

: Vehicle front

1.

Turbocharger boost sensor

2.

Refrigerant pressure sensor

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EC-1286

< FUNCTION DIAGNOSIS >

[K9K]

TURBOCHARGER BOOST CONTROL

1.

EGR volume control valve

2.

Glow plug

1.

ASCD steering switch

2.

RESUME/ACCELERATE switch

3.

SET/COAST switch

4.

CANCEL switch

5.

MAIN switch

1.

Accelerator pedal position sensor

2.

Stop lamp switch

3.

Brake pedal

1.

Fuel rail pressure sensor

2.

Glow relay

3.

ECM

A.

View with battery removed

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