Nissan Titan. Instruction — part 15

BRC-1

BRAKES

C

D

E

G

H

I

J

K

L

M

SECTION

BRC

A

B

BRC

N

O

P

CONTENTS

BRAKE CONTROL SYSTEM

VDC/TCS/ABS

BASIC INSPECTION . . . . . . . . .

4

DIAGNOSIS AND REPAIR WORKFLOW . . ..

4

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

4

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

7

INSPECTION AND ADJUSTMENT . . . . . .

8

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

8

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

8

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

8

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

8

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

8

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

8

CALIBRATION OF DECEL G SENSOR . . . . .....

9

CALIBRATION OF DECEL G SENSOR : Descrip-
tion . . . . . . . . . . . . . . . . . . ....

9

CALIBRATION OF DECEL G SENSOR : Special
Repair Requirement . . . . . . . . . . . . ..

9

SYSTEM DESCRIPTION . . . . . . . .

11

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

11

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

11

Hydraulic Circuit Diagram . . . . . . . . . ...

12

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

12

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

13

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

14

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

15

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

15

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

15

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

16

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

17

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

18

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

18

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

18

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

19

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

20

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

21

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

21

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

21

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

22

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

23

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

24

CONSULT Function (ABS) . . . . . . . . . ..

24

DTC/CIRCUIT DIAGNOSIS . . . . . . .

29

C1101, C1102, C1103, C1104 WHEEL SEN-
SOR-1 . . . . . . . . . . . . . . . .

29

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

29

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

29

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

29

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

31

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

31

C1105, C1106, C1107, C1108 WHEEL SEN-
SOR-2 . . . . . . . . . . . . . . . .

32

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

32

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

32

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

32

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

34

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

34

C1109 POWER AND GROUND SYSTEM . .

35

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

35

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

35

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

35

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

36

BRC-2

C1110, C1170 ABS ACTUATOR AND ELEC-
TRIC UNIT (CONTROL UNIT) . . . . . . ...

37

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

37

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

37

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

37

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

38

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

38

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

38

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

38

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

39

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

39

C1113, C1145, C1146 YAW RATE/SIDE/DE-
CEL G SENSOR . . . . . . . . . . . .

40

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

40

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

40

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

40

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

41

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

41

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

42

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

42

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

42

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

42

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

43

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

44

C1116 STOP LAMP SWITCH . . . . . . .

45

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

45

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

45

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

45

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

46

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

47

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

47

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

47

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

47

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

48

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

48

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

50

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

50

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

50

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

50

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

51

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

51

C1130, C1131, C1132, C1133, C1136 EN-
GINE SIGNAL . . . . . . . . . . . . .

53

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

53

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

53

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

53

C1140 ACTUATOR RLY . . . . . . . . ...

54

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

54

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

54

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

54

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

55

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

55

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

56

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

56

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

56

Diagnosis Procedure (Front Pressure Sensor) . ...

56

Diagnosis Procedure (Rear Pressure Sensor) . .

57

Component Inspection (Front Pressure Sensor) .

58

Component Inspection (Rear Pressure Sensor) . .

58

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

58

C1143, C1144 STEERING ANGLE SENSOR ...

59

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

59

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

59

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

59

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

60

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

60

C1155 BRAKE FLUID LEVEL SWITCH . . ...

62

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

62

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

62

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

62

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

63

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

63

C1156 ST ANG SEN COM CIR . . . . . . .

65

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

65

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

65

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

65

C1160 DECEL G SEN SET . . . . . . . ...

66

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

66

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

66

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

66

C1163 ST ANGLE SEN SAFE . . . . . . ..

67

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

67

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

67

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

67

C1164, C1165, C1166, C1167 CV/SV SYS-
TEM . . . . . . . . . . . . . . . . .

68

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

68

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

68

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

68

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

69

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

70

C1178, C1181, C1184, C1189 ABS ACTIVE
BOOSTER . . . . . . . . . . . . . . .

71

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

71

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

71

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

71

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

72

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

72

C1179 ABS DELTA S SEN NG . . . . . . .

74

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

74

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

74

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

74

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

75

BRC-3

C

D

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G

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J

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A

B

BRC

N

O

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

75

C1187 DIFFERENTIAL LOCK CONTROL
UNIT . . . . . . . . . . . . . . . . .

76

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

76

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

76

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

76

U1000 CAN COMM CIRCUIT . . . . . . . .

77

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

77

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

77

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

77

VDC OFF SWITCH . . . . . . . . . . . .

78

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

78

Component Function Check . . . . . . . . .

78

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

78

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

79

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

79

ABS WARNING LAMP . . . . . . . . . ...

80

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

80

Component Function Check . . . . . . . . .

80

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

80

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

80

BRAKE WARNING LAMP . . . . . . . . .

81

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

81

Component Function Check . . . . . . . . .

81

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

81

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

81

VDC OFF INDICATOR LAMP . . . . . . .

82

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

82

Component Function Check . . . . . . . . .

82

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

82

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

83

SLIP INDICATOR LAMP . . . . . . . . .

84

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

84

Component Function Check . . . . . . . . .

84

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

84

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

84

ECU DIAGNOSIS INFORMATION . . . ..

85

ABS ACTUATOR AND ELECTRIC UNIT
(CONTROL UNIT) . . . . . . . . . . . ..

85

Reference Value . . . . . . . . . . . . . .

85

Fail-Safe . . . . . . . . . . . . . . . . ..

89

DTC No. Index . . . . . . . . . . . . . .

90

WIRING DIAGRAM . . . . . . . . . ..

92

BRAKE CONTROL SYSTEM - VDC . . . . ..

92

Wiring Diagram . . . . . . . . . . . . . ...

92

SYMPTOM DIAGNOSIS . . . . . . .

101

VDC/TCS/ABS . . . . . . . . . . . .

101

Symptom Table . . . . . . . . . . . . . .

101

EXCESSIVE ABS FUNCTION OPERATION
FREQUENCY . . . . . . . . . . . . ..

102

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

102

UNEXPECTED PEDAL REACTION . . . ...

103

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

103

THE BRAKING DISTANCE IS LONG . . . .

104

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

104

ABS FUNCTION DOES NOT OPERATE . ...

105

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

105

PEDAL VIBRATION OR ABS OPERATION
SOUND OCCURS . . . . . . . . . . ...

106

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

106

VEHICLE JERKS DURING VDC/TCS/ABS
CONTROL . . . . . . . . . . . . . ...

107

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

107

NORMAL OPERATING CONDITION . . . .

108

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

108

PRECAUTION . . . . . . . . . . .

109

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

109

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

109

Precaution for Brake System . . . . . . . . .

109

Precaution for Brake Control . . . . . . . . .

110

Precaution for CAN System . . . . . . . . ...

110

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

112

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

112

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

112

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

112

UNIT REMOVAL AND INSTALLATION .

113

WHEEL SENSORS . . . . . . . . . . .

113

Removal and Installation . . . . . . . . . ...

113

SENSOR ROTOR . . . . . . . . . . .

115

Removal and Installation . . . . . . . . . ...

115

ACTUATOR AND ELECTRIC UNIT (ASSEM-
BLY) . . . . . . . . . . . . . . . .

116

Removal and Installation . . . . . . . . . ...

116

STEERING ANGLE SENSOR . . . . . . .

118

Removal and Installation . . . . . . . . . ...

118

YAW RATE/SIDE G SENSOR . . . . . .

119

Removal and Installation . . . . . . . . . ...

119

BRC-4

< BASIC INSPECTION >

[VDC/TCS/ABS]

DIAGNOSIS AND REPAIR WORKFLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000009883578

PRECAUTIONS FOR DIAGNOSIS

If steering angle sensor, steering system parts, suspension system parts, ABS actuator and electric unit (con-

trol unit) have been replaced, or if wheel alignment has been adjusted, be sure to adjust neutral position of

steering angle sensor before driving. Refer to

BRC-8, "ADJUSTMENT OF STEERING ANGLE SENSOR

NEUTRAL POSITION : Description"

.