Infiniti G37 Coupe. Manual - part 471

 

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Infiniti G37 Coupe. Manual - part 471

 

 

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

EC-65

< FUNCTION DIAGNOSIS >

[VQ37VHR]

C

D

E

F

G

H

I

J

K

L

M

A

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-66

< FUNCTION DIAGNOSIS >

[VQ37VHR]

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

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

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

EC-67

< 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-68

< FUNCTION DIAGNOSIS >

[VQ37VHR]

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

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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