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

BRC

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BRC

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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