Infiniti FX35 / FX45. Manual - part 910

SC-28

< SERVICE INFORMATION >

CHARGING SYSTEM

• Make sure that alternator pulley nut is tight.

INSTALLATION

Installation is the reverse order of removal.

• Install alternator, and check tension of belt. Refer to 

EM-14, "Checking Drive Belts"

.

CAUTION:

Be sure to tighten “B” terminal nut carefully.

Disassembly and Assembly

INFOID:0000000001328259

VK45DE ENGINE MODELS (LR1110-716B)

VQ35DE ENGINE MODELS (A3TG0191)

Alternator pulley nut:

: 118 N·m (12.0 kg-m, 87 ft-lb)

1.

Stator assembly

2.

Slip ring

3.

Rotor assembly

4.

Retainer

5.

Front bearing

6.

Front bracket assembly

7.

Pulley

8.

Pulley nut

9.

Fun guide

10.

Double labyrinth seal

11.

IC voltage regulator assembly

12. Diode assembly

13.

Rear bracket assembly

14. Bush

15. B terminal nut

16.

Through-bolt and nut

PKID0691E

CHARGING SYSTEM

SC-29

< SERVICE INFORMATION >

C

D

E

F

G

H

I

J

L

M

A

B

SC

N

O

P

1.

Rear bearing

2.

Rotor assembly

3.

Retainer

4.

Front bearing

5.

Through-bolt

6.

Front bracket assembly

7.

Pulley

8.

Pulley nut

9.

Stator assembly

10. IC voltage regulator assembly

11.

Diode assembly 

12. Rear bracket assembly

13. Bush

14. B terminal nut

: Always replace after every disas-
sembly

PKID0692E

SC-30

< SERVICE INFORMATION >

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Battery

INFOID:0000000001328260

Starter

INFOID:0000000001328261

Alternator

INFOID:0000000001328262

Type

110D26L

Capacity

V - AH

12 - 75

Cold cranking current (For reference value) 

A

720

Applied model

VK45DE

VQ35DE (2WD)

VQ35DE (AWD)

Type

M002T85075

S114-880A

S114-881A

MITSUBISHI make

HITACHI make

Reduction gear type

System voltage

V

12

No-load

Terminal voltage

V

11

Current

A

Less than 145

Less than 90

Revolution

rpm

More than 3,300

More than 2,880

Minimum diameter of commutator

mm (in)

31.4 (1.236)

28.0 (1.102)

Minimum length of brush

mm (in)

11.0 (0.433)

10.5 (0.413)

Brush spring tension

N (kg, lb)

26.7 - 36.1

 (2.72 - 3.68, 

6.80 - 8.12)

16.2 (1.65, 3.6)

Clearance between bearing metal and armature shaft

mm (in)

Less than 0.2 (0.008)

Clearance between pinion front edge and pinion stopper

mm (in)

0.5 - 2.0

 (0.020 - 0.079)

—

Movement in height of pinion assembly

mm (in)

—

0.3 - 2.5 (0.012 - 0.098)

Applied model

VK45DE

VQ35DE

Type

LR1110 - 716B

A3TG0191

HITACHI make

MITSUBISHI make

Nominal rating

V - A

12 - 110

Ground polarity

Negative

Minimum revolution under no-load (When 13.5 V is applied)

rpm

Less than 1,100

 Less than 1,000

Hot output current (When 13.5 V is applied)

A/rpm

More than 70/1,800
More than 91/2,500

More than 110/5,000

More than 37/1,300
More than 92/2,500

More than 103/5,000

Regulated output voltage    

V

14.1 - 14.7

Minimum length of brush

mm (in)

More than 6.00 (0.236)

More than 5.00 (0.197)

Brush spring pressure

N (g, oz)

1.00 - 3.43

 (102 - 350, 3.60 - 12.34)

4.8 - 6.0

 (490 - 612, 17.28 - 21.60)

Slip ring minimum outer diameter

mm (in)

More than 26.0 (1.024)

More than 22.1 (0.870)

Rotor (Field coil) resistance

Ω

2.31

1.7 - 2.1

SE-1

BODY

C

D

E

F

G

H

J

K

L

M

SECTION 

SE

A

B

SE

N

O

P

CONTENTS

SEAT

SERVICE INFORMATION  ............................

3

DTC INDEX ..........................................................

3

U1000 ........................................................................

3

B2112-B2128 ............................................................

3

PRECAUTIONS ...................................................

4

Precaution for Supplemental Restraint System 
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ...................................................................

4

Service Notice  ...........................................................

4

PREPARATION ...................................................

5

Special Service Tool  .................................................

5

Commercial Service Tool  ..........................................

5

SQUEAK AND RATTLE TROUBLE DIAG-
NOSES ................................................................

6

Work Flow  .................................................................

6

Generic Squeak and Rattle Troubleshooting  ............

8

Diagnostic Worksheet  .............................................

10

AUTOMATIC DRIVE POSITIONER  ...................

12

System Description  .................................................

12

Component Parts and Harness Connector Loca-
tion ..........................................................................

16

CAN Communication System Description ...............

17

CAN Communication Unit  .......................................

17

Schematic ...............................................................

18

Wiring Diagram - AUT/DP -  .....................................

20

Terminal and Reference Value for BCM  .................

32

Terminal and Reference Value for Automatic 
Drive Positioner Control Unit ...................................

32

Terminal and Reference Value for Driver Seat 
Control Unit  .............................................................

34

Work Flow  ...............................................................

37

Preliminary Check  ...................................................

37

CONSULT-III Function (AUTO DRIVE POS.)  .........

40

Check CAN Communication System  ......................

42

Symptom Chart  .......................................................

43

Check Sliding Motor Circuit  .....................................

44

Check Reclining Motor Circuit  .................................

45

Check Front Lifting Motor Circuit  .............................

46

Check Rear Lifting Motor Circuit ..............................

47

Check Telescopic Motor Circuit ...............................

48

Check Tilt Motor Circuit  ...........................................

49

Check Driver Side Mirror Motor Circuit ....................

50

Check Passenger Side Mirror Motor Circuit  ............

52

Check Sliding Sensor Circuit  ...................................

53

Check Reclining Sensor Circuit  ...............................

54

Check Front Lifting Sensor Circuit ...........................

55

Check Rear Lifting Sensor Circuit  ...........................

56

Check Telescopic Sensor Circuit .............................

57

Check Tilt Sensor Circuit  .........................................

58

Check Driver Side Mirror Sensor Circuit ..................

59

Check Passenger Side Mirror Sensor Circuit  ..........

60

Check Steering and Door Mirror Sensor Power 
Supply and Ground Circuit  ......................................

61

Check Front Door Switch (Driver Side) Circuit  ........

62

Check Sliding Switch Circuit ....................................

63

Check Reclining Switch Circuit ................................

64

Check Front Lifting Switch Circuit ............................

66

Check Rear Lifting Switch Circuit  ............................

67

Check Power Seat Switch Ground Circuit  ...............

68

Check Telescopic Switch Circuit  .............................

68

Check Tilt Switch Circuit ..........................................

70

Check Door Mirror Remote Control Switch 
(Changeover Switch) Circuit ....................................

71

Check Door Mirror Remote Control Switch (Mirror 
Switch) Circuit ..........................................................

73

Check A/T Device (Park Position Switch) Circuit ....

74

Check Key Switch Circuit (With Intelligent Key)  ......

76

Check Key Switch Circuit (Without Intelligent Key) ....

77

Check Seat Memory Switch Circuit  .........................

78

Check Seat Memory Indicator Lamp Circuit  ............

79

Check UART Communication Line Circuit ...............

80

Check Lumbar Support Circuit  ................................

82

POWER SEAT ...................................................

84

Wiring Diagram - SEAT -  .........................................

84

HEATED SEAT  .................................................

86