Nissan Qashqai (2007-2010). Manual — part 438

INSPECTION AND ADJUSTMENT

EC-1271

< BASIC INSPECTION >

[K9K]

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5.

Select “DATA MONITOR” mode with CONSULT-III.

6.

Check that the “NEW EGR/V OFFSET” and “LAST EGR/V OFSET” indication.

>> END

0.75V

<

NEW EGR/V OFFSET

=

LAST EGR/V OFSET

<

1.5V

EC-1272

< FUNCTION DIAGNOSIS >

[K9K]

ENGINE CONTROL SYSTEM

FUNCTION DIAGNOSIS

ENGINE CONTROL SYSTEM

System Diagram

INFOID:0000000000894699

1.

Mass air flow sensor signal

2.

Intake air temperature sensor signal 3.

Turbocharger boost sensor signal

4.

Throttle position sensor signal

5.

EGR Volume Control Valve Control
Position Sensor signal

6.

Turbocharger boost control solenoid
valve signal

7.

High Pressure Supply Pump (volu-
metric Control Valve) signal

8.

High Pressure Supply Pump (pres-
sure Control Valve) signal

9.

Fuel rail pressure sensor signal

10. Fuel Pump Temperature Sensor

11.

Glow plug

12. Engine coolant temperature sensor

signal

13. Crankshaft Position Sensor signal

14. Camshaft Position Sensor signal

15. Barometric pressure sensor signal

16. Refrigerant pressure sensor signal

17. Accelerator pedal position sensor

signal

18. Clutch switch signal

19. Brake switch signal

20. CAN communication

21. Glow plug signal

22. Fuel tank

23. Fuel pump

24. Fuel filter

25. High Pressure Supply Pump

26. High Pressure Supply Pump (inter-

nal transfer pump)

27. High Pressure Supply Pump (volu-

metric Control Valve)

28. High Pressure Supply Pump (high

pressure pump)

29. High Pressure Supply Pump (pres-

sure Control Valve)

30. Mass air flow sensor (with intake air

temperature sensor)

JMBIA0418ZZ

ENGINE CONTROL SYSTEM

EC-1273

< FUNCTION DIAGNOSIS >

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System Description

INFOID:0000000000897207

ECM performs various controls such as fuel injection control and furl pressure control.

Component Parts Location

INFOID:0000000001078627

31. Compressor

32. Charge air cooler

33. Electric throttle control actuator

34. ECM

35. EGR volume control valve

36. Fuel rail

37. Fuel injector

38. EGR cooler

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

EC-1274

< FUNCTION DIAGNOSIS >

[K9K]

ENGINE CONTROL SYSTEM

: 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

JMBIA0419ZZ

JMBIA0420ZZ

JMBIA0421ZZ

JMBIA0422ZZ