Infiniti FX35, FX50 (S51). Manual — part 632

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

EC-69

< SYSTEM DESCRIPTION >

[VQ35HR]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

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)

1.

Cooling fan control module

2.

Cooling fan motor-1

3.

Cooling fan motor-2

4.

Cooling fan relay

JMBIA1497ZZ

JMBIA0004ZZ

JMBIA1498ZZ

EC-70

< SYSTEM DESCRIPTION >

[VQ35HR]

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

JMBIA1683GB

1.

A/F sensor 1 (bank 2)

2.

Heated oxygen sensor 2 (bank 2)

3.

Heated oxygen sensor 2 (bank 2)
harness connector

4.

Heated oxygen sensor 2 (bank 1)
harness connector

5.

Heated oxygen sensor 2 (bank 1)

6.

A/F sensor 1 (bank 1)

: Vehicle front

1.

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

2.

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

: Vehicle front

JMBIA1499ZZ

JMBIA0006ZZ

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

EC-71

< SYSTEM DESCRIPTION >

[VQ35HR]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

1.

Exhaust valve timing control position
sensor (bank 1)

2.

Camshaft position sensor (bank 1)

3.

Camshaft position sensor (bank 2)

4.

Exhaust valve timing control position
sensor (bank 2)

1.

Exhaust valve timing control magnet
retarder (bank 1) harness connector

2.

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

3.

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

4.

Exhaust valve timing control magnet
retarder (bank 2) harness connector

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.

Condenser

5.

Fuel injector No.3

6.

Fuel injector No.1

7.

Fuel injector No.2

8.

Fuel injector No.4

9.

Ignition coil No.2 (with power transis-
tor)

10. Ignition coil No.4 (with power transis-

tor)

11.

Ignition coil No.6 (with power transis-
tor)

12. Fuel injector No.6

13. Fuel injector No.5

14. Knock sensor (bank 2)

15. Knock sensor (bank 1)

JMBIA0008ZZ

JMBIA1500ZZ

JMBIA1790ZZ

EC-72

< SYSTEM DESCRIPTION >

[VQ35HR]

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

1.

Engine coolant temperature sensor

2.

A/F sensor 1 (bank 1)

3.

Crankshaft position sensor

: Vehicle front

1.

IPDM E/R

2.

Battery current sensor

3.

Refrigerant pressure sensor

1.

Power steering pressure sensor

2.

Alternator

3.

Engine oil temperature sensor

: Vehicle front

1.

EVAP service port

2.

EVAP canister purge volume control
solenoid valve

3.

EVAP canister vent control valve

JMBIA0011ZZ

JMBIA1501ZZ

JMBIA1502ZZ

JMBIA1503ZZ