Infiniti G37 Coupe. Manual — part 473

COOLING FAN CONTROL

EC-73

< FUNCTION DIAGNOSIS >

[VQ37VHR]

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Component Parts Location

INFOID:0000000001910707

1.

Battery current sensor

2.

IPDM E/R

3.

VVEL control module

4.

Cooling fan relay

5.

VVEL actuator motor relay

6.

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

7.

Refrigerant pressure sensor

8.

Camshaft position sensor (PHASE)
(bank 1)

9.

Cooling fan motor-2

10. Intake valve timing control solenoid

valve (bank 1)

11.

Cooling fan control module

12. Cooling fan motor-1

13. Intake valve timing control solenoid

valve (bank 2)

14. Camshaft position sensor (PHASE)

(bank 2)

15. Mass air flow sensor (with intake air

temperature sensor) (bank 2)

16. ICC brake hold relay (ICC models)

17. Brake booster pressure sensor

18. Ignition coil (with power transistor)

and spark plug (bank 2)

19. Electric throttle control actuator

(bank 2)

20. A/F sensor 1 (bank 2)

21. Fuel injector (bank 2)

22. VVEL control shaft position sensor

(bank 2)

23. VVEL actuator motor (bank 2)

24. Manifold absolute pressure (MAP)

sensor

25. Engine coolant temperature sensor

26. Knock sensor

27. Fuel injector (bank 1)

28. VVEL actuator motor (bank 1)

29. EVAP canister purge volume control

solenoid valve

30. VVEL control shaft position sensor

(bank 1)

JMBIA0837ZZ

EC-74

< FUNCTION DIAGNOSIS >

[VQ37VHR]

COOLING FAN CONTROL

31. Ignition coil (with power transistor)

and spark plug (bank 1)

32. EVAP service port

33. A/F sensor 1 (bank 1)

34. Crankshaft position sensor (POS)

35. Electric throttle control actuator

(bank 1)

1.

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

2.

Mass air flow sensor (with intake air
temperature sensor) (bank 2)

1.

Electric throttle control actuator
(bank 1)

2.

Electric throttle control actuator
(bank 2)

: Vehicle front

1.

Cooling fan motor-2

2.

Cooling fan control module

3.

Cooling fan motor-1

4.

Cooling fan relay

JMBIA0838ZZ

JMBIA0839ZZ

JMBIA0840ZZ

COOLING FAN CONTROL

EC-75

< FUNCTION DIAGNOSIS >

[VQ37VHR]

C

D

E

F

G

H

I

J

K

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M

A

EC

N

P

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PBIB1907E

: Vehicle front

1.

A/F sensor 1 (bank 1)

2.

A/F sensor 1 (bank 2)

: Vehicle front

1.

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

2.

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

JMBIA0007ZZ

JMBIA0841ZZ

JMBIA0018ZZ

EC-76

< FUNCTION DIAGNOSIS >

[VQ37VHR]

COOLING FAN CONTROL

: Vehicle front

1.

Heated oxygen sensor 2 (bank 2)

2.

Heated oxygen sensor 2 (bank 2)
harness connector

3.

Heated oxygen sensor 2 (bank 1)

4.

Heated oxygen sensor 2 (bank 1)
harness connector

1.

Manifold absolute pressure (MAP)
sensor

2.

Brake booster pressure sensor

3.

VVEL actuator motor relay

4.

VVEL control module

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)

1.

Camshaft position sensor (PHASE)
(bank 1)

2.

Intake valve timing control solenoid
valve (bank 1) harness connector

3.

Intake valve timing control solenoid
valve (bank 2) harness connector

4.

Camshaft position sensor (PHASE)
(bank 2)

JMBIA0850ZZ

JMBIA0851ZZ

JMBIA0842ZZ