Infiniti FX35, FX50 (S51). Manual - part 242

 

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Infiniti FX35, FX50 (S51). Manual - part 242

 

 

SERVICE DATA AND SPECIFICATIONS (SDS)

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SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

General Specifications

INFOID:0000000005234223

FRONT 2 PISTON, REAR 1 PISTON TYPE

Unit: mm (in)

FRONT 4 PISTON, REAR 2 PISTON TYPE

Unit: mm (in)

Brake Pedal

INFOID:0000000005234224

Unit: mm (in)

Front brake

Cylinder bore diameter

45.0 (1.772) 

×

 2 

Pad length 

×

 width 

×

 thickness

130 

×

 50.0 

×

 11.0 (5.12 

×

 1.969 

×

 0.433)

Rotor outer diameter 

×

 thickness

320 

×

 34.0 (12.60 

×

 1.339)

Rear brake 

Cylinder bore diameter

42.86 (1.687)

Pad length 

×

 width 

×

 thickness

83.0 

×

 33.0 

×

 8.5 (3.268 

×

 1.299 

×

 0.335)

Rotor outer diameter 

×

 thickness

308 

×

 16.0 (12.13 

×

 0.630)

Master cylinder

Cylinder bore diameter

25.4 (1)

Control valve

Valve type

Electric brake force distribution

Brake booster

Diaphragm diameter

Primary: 230 (9.06)

Secondary: 205 (8.07)

Recommended brake fluid

Refer to 

MA-12, "Fluids and Lubricants"

Front brake

Cylinder bore diameter

41.3 (1.626) 

×

 2 + 44.45 (1.750) 

×

 2

Pad length 

×

 width 

×

 thickness

123.2 

×

 55.0 

×

 11.0 (4.85 

×

 2.165 

×

 0.433)

Rotor outer diameter 

×

 thickness

355 

×

 32.0 (13.98 

×

 1.260)

Rear brake 

Cylinder bore diameter

41.3 (1.626) 

×

 2

Pad length 

×

 width 

×

 thickness

95.8 

×

 41.5 

×

 9.5 (3.772 

×

 1.634 

×

 0.374)

Rotor outer diameter 

×

 thickness

350 

×

 20.0 (13.78 

×

 0.787)

Master cylinder

Cylinder bore diameter

25.4 (1)

Control valve

Valve type

Electric brake force distribution

Brake booster

Diaphragm diameter

Primary: 230 (9.06)

Secondary: 205 (8.07)

Recommended brake fluid

Refer to 

MA-12, "Fluids and Lubricants"

Item

Standard

Brake pedal height

Without DCA

171.5 – 181.5 (6.75 – 7.15)

With DCA

185.4 – 195.4 (7.30 – 7.69)

Clearance between the stop lamp switch and ASCD brake switch threaded end and the 
stopper rubber

0.74 – 1.96 (0.0291 – 0.0772)

Brake pedal play

3.0 – 11.0 (0.118 – 0.433)

Depressed brake pedal height
[Depressing 490 N (50 kg, 110 lb) while turning the engine ON]

Without DCA

114.0 (4.49) or more 

With DCA

120.8 (4.76) or more

BR-66

< SERVICE DATA AND SPECIFICATIONS (SDS) 

SERVICE DATA AND SPECIFICATIONS (SDS)

Brake Booster

INFOID:0000000005234225

Unit: mm (in)

Front Disc Brake

INFOID:0000000005234226

2 PISTON TYPE

Unit: mm (in)

4 PISTON TYPE

Unit: mm (in)

Rear Disc Brake

INFOID:0000000005234227

1 PISTON TYPE

Unit: mm (in)

2 PISTON TYPE

Unit: mm (in)

Item

Standard

Input rod length

125 (4.92)

Item

Limit

Brake pad

Wear thickness

2.0 (0.079)

Disc rotor

Wear thickness

32.0 (1.260)

Thickness variation (measured at 8 positions)

0.015 (0.0006)

Runout (with it attached to the vehicle)

0.035 (0.0014) 

Item

Limit

Brake pad

Wear thickness

2.0 (0.079)

Disc rotor

Wear thickness

30.0 (1.181)

Thickness variation (measured at 8 positions)

0.015 (0.0006)

Runout (with it attached to the vehicle)

0.035 (0.0014) 

Item

Limit

Brake pad

Wear thickness

2.0 (0.079)

Disc rotor

Wear thickness

14.0 (0.551)

Thickness variation (measured at 8 positions)

0.015 (0.0006) 

Runout (with it attached to the vehicle)

0.055 (0.0022) 

Item

Limit

Brake pad

Wear thickness

2.0 (0.079)

Disc rotor

Wear thickness

18.0 (0.709)

Thickness variation (measured at 8 positions)

0.015 (0.0006) 

Runout (with it attached to the vehicle)

0.055 (0.0022) 

BRC-1

BRAKES

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SECTION 

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CONTENTS

BRAKE CONTROL SYSTEM

VDC/TCS/ABS

BASIC INSPECTION  ....................................

5

DIAGNOSIS AND REPAIR WORK FLOW  .........

5

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

5

Diagnostic Work Sheet ..............................................

8

INSPECTION AND ADJUSTMENT .....................

9

ADDITIONAL SERVICE WHEN REPLACING 
CONTROL UNIT  ........................................................
..

9

ADDITIONAL SERVICE WHEN REPLACING 
CONTROL UNIT : Description  ................................
..

9

ADDITIONAL SERVICE WHEN REPLACING 
CONTROL UNIT : Special Repair Requirement  .....
..

9

ADJUSTMENT OF STEERING ANGLE SENSOR 
NEUTRAL POSITION  ................................................
..

9

ADJUSTMENT OF STEERING ANGLE SENSOR 
NEUTRAL POSITION : Description  ........................
..

9

ADJUSTMENT OF STEERING ANGLE SENSOR 
NEUTRAL POSITION : Special Repair Require-
ment ........................................................................
..

9

SYSTEM DESCRIPTION  .............................

11

VDC ....................................................................

11

System Diagram ......................................................

11

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

12

Component Parts Location ......................................

14

Component Description ...........................................

19

TCS .....................................................................

20

System Diagram ......................................................

20

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

21

Component Parts Location ......................................

22

Component Description ...........................................

27

ABS ....................................................................

28

System Diagram ......................................................

28

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

29

Component Parts Location  ......................................

30

Component Description  ...........................................

35

EBD ...................................................................

36

System Diagram  ......................................................

36

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

37

Component Parts Location  ......................................

38

Component Description  ...........................................

43

DIAGNOSIS SYSTEM [ABS ACTUATOR 
AND ELECTRIC UNIT (CONTROL UNIT)]  .......

44

CONSULT-III Function  ............................................

44

DTC/CIRCUIT DIAGNOSIS  .........................

50

C1101, C1102, C1103, C1104 WHEEL SEN-
SOR ...................................................................

50

Description ...............................................................

50

DTC Logic ................................................................

50

Diagnosis Procedure  ...............................................

50

Special Repair Requirement ....................................

51

C1105, C1106, C1107, C1108 WHEEL SEN-
SOR ...................................................................

52

Description ...............................................................

52

DTC Logic ................................................................

52

Diagnosis Procedure  ...............................................

52

Special Repair Requirement ....................................

53

C1109 POWER AND GROUND SYSTEM  ........

55

Description ...............................................................

55

DTC Logic ................................................................

55

Diagnosis Procedure  ...............................................

55

Special Repair Requirement ....................................

56

C1110, C1153, C1170 ABS ACTUATOR AND 
ELECTRIC UNIT (CONTROL UNIT) .................

57

DTC Logic ................................................................

57

Diagnosis Procedure  ...............................................

57

Special Repair Requirement ....................................

57

BRC-2

C1111 ABS MOTOR, MOTOR RELAY SYS-
TEM ....................................................................

58

Description ..............................................................

58

DTC Logic ...............................................................

58

Diagnosis Procedure  ..............................................

58

Special Repair Requirement ...................................

59

C1114 ACTUATOR RELAY SYSTEM ...............

60

Description ..............................................................

60

DTC Logic ...............................................................

60

Diagnosis Procedure  ..............................................

60

Special Repair Requirement ...................................

61

C1115 WHEEL SENSOR ...................................

62

Description ..............................................................

62

DTC Logic ...............................................................

62

Diagnosis Procedure  ..............................................

62

Special Repair Requirement ...................................

63

C1116 STOP LAMP SWITCH ............................

64

Description ..............................................................

64

DTC Logic ...............................................................

64

Diagnosis Procedure  ..............................................

64

Component Inspection ............................................

65

Special Repair Requirement ...................................

65

C1120, C1122, C1124, C1126 IN ABS SOL  .....

66

Description ..............................................................

66

DTC Logic ...............................................................

66

Diagnosis Procedure  ..............................................

66

Special Repair Requirement ...................................

67

C1121, C1123, C1125, C1127 OUT ABS SOL ...

68

Description ..............................................................

68

DTC Logic ...............................................................

68

Diagnosis Procedure  ..............................................

68

Special Repair Requirement ...................................

69

C1130 ENGINE SIGNAL  ...................................

70

Description ..............................................................

70

DTC Logic ...............................................................

70

Diagnosis Procedure  ..............................................

70

Special Repair Requirement ...................................

70

C1137 RAS CIRCUIT .........................................

71

Description ..............................................................

71

DTC Logic ...............................................................

71

Diagnosis Procedure  ..............................................

71

Special Repair Requirement ...................................

71

C1142 PRESS SENSOR  ...................................

72

Description ..............................................................

72

DTC Logic ...............................................................

72

Diagnosis Procedure  ..............................................

72

Special Repair Requirement ...................................

73

C1143 STEERING ANGLE SENSOR ................

74

Description ..............................................................

74

DTC Logic ...............................................................

74

Diagnosis Procedure  ..............................................

74

Special Repair Requirement ...................................

75

C1144 STEERING ANGLE SENSOR  ...............

76

DTC Logic  ...............................................................

76

Diagnosis Procedure ...............................................

76

Special Repair Requirement  ...................................

76

C1145, C1146 YAW RATE/SIDE G SENSOR ...

77

Description ..............................................................

77

DTC Logic  ...............................................................

77

Diagnosis Procedure ...............................................

77

Special Repair Requirement  ...................................

79

C1147, C1148, C1149, C1150 USV/HSV LINE ...

80

Description ..............................................................

80

DTC Logic  ...............................................................

80

Diagnosis Procedure ...............................................

80

Special Repair Requirement  ...................................

81

C1154 TRANSMISSION RANGE SWITCH  .......

82

Description ..............................................................

82

DTC Logic  ...............................................................

82

Diagnosis Procedure ...............................................

82

Special Repair Requirement  ...................................

82

C1155 BRAKE FLUID LEVEL SWITCH  ...........

83

Description ..............................................................

83

DTC Logic  ...............................................................

83

Diagnosis Procedure ...............................................

83

Component Inspection  ............................................

84

Special Repair Requirement  ...................................

84

C1156 STEERING ANGLE SENSOR (CAN)  ....

85

Description ..............................................................

85

DTC Logic  ...............................................................

85

Diagnosis Procedure ...............................................

85

Special Repair Requirement  ...................................

85

C1185 ICC UNIT  ................................................

86

Description ..............................................................

86

DTC Logic  ...............................................................

86

Diagnosis Procedure ...............................................

86

Special Repair Requirement  ...................................

86

C1197 VACUUM SENSOR ................................

87

Description ..............................................................

87

DTC Logic  ...............................................................

87

Diagnosis Procedure ...............................................

87

Special Repair Requirement  ...................................

87

C1198 VACUUM SENSOR ................................

89

Description ..............................................................

89

DTC Logic  ...............................................................

89

Diagnosis Procedure ...............................................

89

Special Repair Requirement  ...................................

89

C1199 VACUUM SENSOR ................................

91

Description ..............................................................

91

DTC Logic  ...............................................................

91

Diagnosis Procedure ...............................................

91

Special Repair Requirement  ...................................

92

C119A VACUUM SENSOR  ...............................

93

 

 

 

 

 

 

 

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