Infiniti FX35, FX50 (S51). Manual — part 773

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

EC-633

< SYSTEM DESCRIPTION >

[VK50VE]

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Component Parts Location

INFOID:0000000005589022

1.

IPDM E/R

2.

VVEL control module

3.

Battery current sensor

4.

VVEL actuator motor relay

5.

Cooling fan relay-1

6.

Cooling fan relay-2

7.

Mass air flow sensor (bank 2)

8.

Refrigerant pressure sensor

9.

Exhaust valve timing control position
sensor (bank 2)

10. Exhaust valve timing control sole-

noid valve (bank 2)

11.

Camshaft position sensor (bank 2)

12. Intake valve timing control solenoid

valve (bank 2)

13. Cooling fan motor-1

14. Cooling fan control module-1

15. Cooling fan motor-2

16. Cooling fan control module-2

17. Intake valve timing control solenoid

valve (bank 1)

18. Camshaft position sensor (bank 1)

19. Exhaust valve timing control sole-

noid valve (bank 1)

20. Exhaust valve timing control position

sensor (bank 1)

21. Mass air flow sensor (with intake air

temperature sensor) (bank 1)

22. ICC brake hold relay (ICC models)

23. Brake booster pressure sensor

24. Ignition coil (with power transistor)

and spark plug (bank 1)

25. VVEL actuator motor (bank 1)

26. VVEL control shaft position sensor

(bank 1)

27. Fuel injector (bank 1)

28. Electric throttle control actuator

(bank 1)

29. A/F sensor 1 (bank 1)

30. Knock sensor (bank 1)

JMBIA1535ZZ

EC-634

< SYSTEM DESCRIPTION >

[VK50VE]

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

31. EVAP canister purge volume con-

trol solenoid valve

32. Manifold Absolute Pressure Sensor

(This sensor is not for controlling the
engine system, nor for the on board
diagnosis.)

33. Knock sensor (bank 2)

34. Crankshaft position sensor

35. Electric throttle control actuator

(bank2)

36. VVEL actuator motor (bank 2)

37. VVEL control shaft position sensor

(bank 2)

38. A/F sensor 1 (bank 2)

39. Engine coolant temperature sensor

40. Fuel injector (bank 2)

41. EVAP service port

42. Ignition coil (with power transistor)

and spark plug (bank 2)

1.

Mass air flow sensor (bank 2)

2.

Mass air flow sensor (with intake air
temperature sensor) (bank 1)

1.

Electric throttle control actuator
(bank 2)

2.

Electric throttle control actuator
(bank 1)

1.

Cooling fan relay-1

2.

Cooling fan relay-2

Vehicle front

JMBIA1536ZZ

JMBIA1537ZZ

JMBIA1538ZZ

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

EC-635

< SYSTEM DESCRIPTION >

[VK50VE]

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1.

Cooling fan motor-1

2.

Cooling fan control module-1

3.

Cooling fan motor-2

4.

Cooling fan control module-2

Vehicle front

JMBIA1539ZZ

JMBIA1576GB

1.

A/F sensor 1 (bank 1)

2.

A/F sensor 1 (bank 2)

Vehicle front

JMBIA1540ZZ

JMBIA1541ZZ

EC-636

< SYSTEM DESCRIPTION >

[VK50VE]

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

1.

A/F sensor 1 (bank 2) harness con-
nector

2.

A/F sensor 1 (bank 1) harness con-
nector

Vehicle front

1.

Heated oxygen sensor 2 (bank 1)

2.

Heated oxygen sensor 2 (bank 1)
harness connector

3.

Heated oxygen sensor 2 (bank 2)
harness connector

4.

Heated oxygen sensor 2 (bank 2)

Vehicle front

1.

Manifold Absolute Pressure Sensor
(This sensor is not for controlling the
engine system, nor for the on board
diagnosis.)

2.

Brake booster pressure sensor

3.

VVEL control module

4.

VVEL actuator motor relay

Vehicle front

1.

VVEL control shaft position sensor
(bank 1)

2.

VVEL actuator motor (bank 1)

3.

VVEL actuator motor (bank 2)

4.

VVEL control shaft position sensor
(bank 2)

Vehicle front

JMBIA1542ZZ

JMBIA1543ZZ

JMBIA1544ZZ