Infiniti G37 Coupe. Manual - part 464

MULTIPORT FUEL INJECTION SYSTEM

EC-37

< FUNCTION DIAGNOSIS >

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Component Parts Location

INFOID:0000000001910704

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-38

< FUNCTION DIAGNOSIS >

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MULTIPORT FUEL INJECTION SYSTEM

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

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MULTIPORT FUEL INJECTION SYSTEM

EC-39

< FUNCTION DIAGNOSIS >

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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-40

< FUNCTION DIAGNOSIS >

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MULTIPORT FUEL INJECTION SYSTEM

 : 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

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