Infiniti G37 Coupe. Manual — part 478
INTAKE VALVE TIMING CONTROL
EC-93
< FUNCTION DIAGNOSIS >
[VQ37VHR]
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EC
N
P
O
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
EC-94
< FUNCTION DIAGNOSIS >
[VQ37VHR]
INTAKE VALVE TIMING CONTROL
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
INTAKE VALVE TIMING CONTROL
EC-95
< FUNCTION DIAGNOSIS >
[VQ37VHR]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
: 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
EC-96
< FUNCTION DIAGNOSIS >
[VQ37VHR]
INTAKE VALVE TIMING CONTROL
1.
Ignition coil No.5 (with power transis-
tor)
2.
Ignition coil No.3 (with power transis-
tor)
3.
Ignition coil No.1 (with power transis-
tor)
4.
Fuel injector No.3
5.
Fuel injector No.1
6.
Fuel injector No.2
7.
Fuel injector No.4
8.
Ignition coil No.2 (with power transis-
tor)
9.
Ignition coil No.4 (with power transis-
tor)
10. Ignition coil No.6 (with power transis-
tor)
11.
Fuel injector No.6
12. Fuel injector No.5
13. Knock sensor (bank 1)
14. Knock sensor (bank 2)
: Vehicle front
1.
Engine coolant temperature sensor
2.
A/F sensor 1 (bank 1)
3.
Crankshaft position sensor (POS)
1.
IPDM E/R
2.
Battery current sensor
3.
Refrigerant pressure sensor
JMBIA0843ZZ
JMBIA0844ZZ
JMBIA0013ZZ
JMBIA0014ZZ
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