Infiniti G35 (V35) Sedan. Manual — part 469
EC-22
< FUNCTION DIAGNOSIS >
[VQ35HR]
ENGINE CONTROL SYSTEM
FUNCTION DIAGNOSIS
ENGINE CONTROL SYSTEM
System Diagram
INFOID:0000000000956478
1.
ECM
2.
Data link connector
3.
MIL
4.
Ignition switch
5.
Cooling fan control module
6.
Cooling fan
7.
PNP switch
8.
A/F sensor 1
9.
Heated oxygen sensor 2
10. Exhaust valve timing control magnet
retarder
11.
Exhaust valve timing control position
sensor
12. PCV valve
13. Spark plug
14. Camshaft position sensor (PHASE)
15. Intake valve timing control solenoid
valve
16. Fuel injector
17. Engine coolant temperature sensor
18. Fuel injector
19. Intake valve timing control solenoid
valve
20. Camshaft position sensor (PHASE)
21. Spark plug
JMBIA0050GB
ENGINE CONTROL SYSTEM
EC-23
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[VQ35HR]
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System Description
INFOID:0000000000956479
ECM performs various controls such as fuel injection control and ignition timing control.
Component Parts Location
INFOID:0000000000956480
22. Exhaust valve timing control position
sensor
23. Exhaust valve timing control magnet
retarder
24. A/F sensor 1
25. Heated oxygen sensor 2
26. Knock sensor
27. Crankshaft position sensor (POS)
28. Engine oil temperature sensor
29. Knock sensor
30. Three way catalyst 1
31. Three way catalyst 2
32. Three way catalyst 1
33. Three way catalyst 2
34. Muffler
35. EVAP canister vent control valve
36. EVAP control system pressure sen-
sor
37. EVAP service port
38. EVAP canister purge volume control
solenoid valve
39. EVAP canister
40. Fuel damper
41. Fuel pump
42. Fuel pressure regulator
43. Fuel level sensor
44. Fuel tank temperature sensor
45. Fuel tank
46. Accelerator pedal position sensor
47. Electric throttle control actuator
48. Throttle position sensor
49. Mass air flow sensor (with intake air
temperature sensor)
50. Air cleaner
51. Electric throttle control actuator
52. Throttle position sensor
53. Mass air flow sensor (with intake air
temperature sensor)
54. Air cleaner
JMBIA0002ZZ
EC-24
< FUNCTION DIAGNOSIS >
[VQ35HR]
ENGINE CONTROL SYSTEM
1.
Battery current sensor
2.
IPDM E/R
3.
Cooling fan relay
4.
Mass air flow sensor (with intake air
temperature sensor) (bank 1)
5.
Refrigerant pressure sensor
6.
Cooling fan motor-2
7.
Intake valve timing control solenoid
valve
8.
Exhaust valve timing control magnet
retarder
9.
Cooling fan control module
10. Cooling fan motor-1
11.
Mass air flow sensor (with intake air
temperature sensor) (bank 2)
12. ICC brake hold relay (ICC models)
13. Ignition coil (with power transistor)
and spark plug (bank 2)
14. Electric throttle control actuator
(bank 2)
15. A/F sensor 1 (bank 2)
16. Fuel injector (bank 2)
17. Camshaft position sensor (PHASE)
18. Engine coolant temperature sensor
19. Knock sensor
20. Exhaust valve timing control position
sensor
21. EVAP canister purge volume control
solenoid valve
22. Fuel injector (bank 1)
23. Ignition coil (with power transistor)
and spark plug (bank 1)
24. EVAP service port
25. A/F sensor 1 (bank 1)
26. Crankshaft position sensor (POS)
27. 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)
JMBIA0003ZZ
JMBIA0004ZZ
JMBIA0005ZZ
ENGINE CONTROL SYSTEM
EC-25
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[VQ35HR]
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: Vehicle front
1.
Cooling fan motor-2
2.
Cooling fan control module
3.
Cooling fan motor-1
4.
Cooling fan relay
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
JMBIA0006ZZ
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