Nissan Qashqai (2007-2010). Manual — part 214

ENGINE CONTROL SYSTEM

EC-375

< FUNCTION DIAGNOSIS >

[HR16DE (WITHOUT EURO-OBD)]

C

D

E

F

G

H

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J

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L

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A

EC

N

P

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PBIB2942E

1.

Heated oxygen sensor 1

2.

Exhaust manifold cover

3.

Heated oxygen sensor 2

4.

Heated oxygen sensor 2 harness
connector

1.

Intake valve timing control solenoid
valve

2.

Knock sensor

1.

Refrigerant pressure sensor

2.

PCV valve

Vehicle front

JMBIA0406ZZ

JMBIA0404ZZ

JMBIA0405ZZ

EC-376

< FUNCTION DIAGNOSIS >

[HR16DE (WITHOUT EURO-OBD)]

ENGINE CONTROL SYSTEM

1.

Cooling fan motor

2.

Crankshaft position sensor (POS)

Vehicle front

1.

Fuel level sensor unit and fuel pump
harness connector

2.

Fuel level sensor unit and fuel pump 3.

Fuel pressure regulator

1.

ASCD clutch switch

2.

Data link connector

1.

Stop lamp switch

2.

ASCD brake pedal

3.

Accelerator pedal position sensor

JMBIA0407ZZ

JMBIA0346ZZ

JMBIA0347ZZ

JMBIA0348ZZ

ENGINE CONTROL SYSTEM

EC-377

< FUNCTION DIAGNOSIS >

[HR16DE (WITHOUT EURO-OBD)]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

Component Description

INFOID:0000000001096743

1.

ASCD steering switch

2.

CANSEL switch

3.

RESUME/ACCELERATE switch

4.

SET/COAST switch

5.

MAIN switch

JMBIA0349ZZ

Component

Reference

Accelerator pedal position sensor

EC-539, "Description"

ASCD brake switch

EC-553, "Description"

ASCD steering switch

EC-263, "Description"

ASCD vehicle speed sensor

EC-272, "Description"

Camshaft position sensor (PHASE)

EC-489, "Description"

Crankshaft position sensor (POS)

EC-485, "Description"

Cooling fan motor

EC-558, "Description"

Electric throttle control actuator

EC-499, "Description"

Engine coolant temperature sensor

EC-461, "Description"

Fuel injector

EC-565, "Description"

Fuel pump

EC-568, "Description"

Heated oxygen sensor 1

EC-141, "Description"

Heated oxygen sensor 1 heater

EC-576, "Description"

Heated oxygen sensor 2

EC-475, "Description"

Heated oxygen sensor 2 heater

EC-583, "Description"

Ignition signal

EC-588, "Description"

Intake air temperature sensor

EC-586, "Description"

Intake valve timing control solenoid valve

EC-497, "Description"

Knock sensor

EC-483, "Description"

Mass air flow sensor

EC-456, "Description"

Park/neutral position switch

EC-533, "Description"

PCV valve

EC-594, "Description"

Refrigerant pressure sensor

EC-595, "Description"

Stop lamp switch

EC-536, "Description"

Throttle control motor

EC-508, "Description"

Throttle control motor relay

EC-505, "Description"

Throttle position sensor

EC-464, "Description"

Vehicle speed sensor

EC-597, "Description"

EC-378

< FUNCTION DIAGNOSIS >

[HR16DE (WITHOUT EURO-OBD)]

MULTIPORT FUEL INJECTION SYSTEM

MULTIPORT FUEL INJECTION SYSTEM

System Diagram

INFOID:0000000001096744

System Description

INFOID:0000000001096745

INPUT/OUTPUT SIGNAL CHART

*1: This sensor is not used to control the engine system under normal conditions.

*2: This signal is sent to the ECM through CAN communication line.

*3: ECM determines the start signal status by the signals of engine speed and battery voltage.

JMBIA0408GB

Sensor

Input Signal to ECM

ECM function

Actuator

Crankshaft position sensor (POS)

Engine speed*

3

Piston position

Fuel injection
& mixture ratio
control

Fuel injector

Camshaft position sensor (PHASE)

Mass air flow sensor

Amount of intake air

Intake air temperature sensor

Intake air temperature

Engine coolant temperature sensor

Engine coolant temperature

Heated oxygen sensor 1

Density of oxygen in exhaust gas

Throttle position sensor

Throttle position

Accelerator pedal position sensor

Accelerator pedal position

Park/neutral position (PNP) switch

Gear position

Battery

Battery voltage*

3

Knock sensor

Engine knocking condition

EPS control unit

Power steering operation

Heated oxygen sensor 2*

1

Density of oxygen in exhaust gas

BCM*

2

Air conditioner operation

Combination meter*

2

Vehicle speed