Nissan Pathfinder (2011 year). Manual — part 92

BRC-1

BRAKES

C

D

E

G

H

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J

K

L

M

SECTION

BRC

A

B

BRC

N

O

P

CONTENTS

BRAKE CONTROL SYSTEM

TYPE 1

BASIC INSPECTION . . . . . . . . .

7

APPLICATION NOTICE . . . . . . . . . ..

7

Application Notice . . . . . . . . . . . . .....

7

DIAGNOSIS AND REPAIR WORKFLOW . . ..

8

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

8

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

11

INSPECTION AND ADJUSTMENT . . . . .

12

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

12

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

12

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

12

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

12

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

12

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

12

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

13

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

13

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

13

SYSTEM DESCRIPTION . . . . . . . .

15

APPLICATION NOTICE . . . . . . . . . .

15

Application Notice . . . . . . . . . . . . ...

15

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

16

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

16

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

16

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

17

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

18

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

19

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

20

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

20

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

20

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

21

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

22

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

23

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

23

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

23

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

24

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

25

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

26

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

26

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

26

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

27

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

28

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

29

CONSULT-III Function (ABS) . . . . . . . . ..

29

DTC/CIRCUIT DIAGNOSIS . . . . . . .

33

APPLICATION NOTICE . . . . . . . . .

33

Application Notice . . . . . . . . . . . . .

33

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

34

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

34

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

34

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

34

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

36

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

36

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

37

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

37

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

37

2011 Pathfinder

BRC-2

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

37

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

39

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

39

C1109 POWER AND GROUND SYSTEM . . .

40

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

40

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

40

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

40

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

41

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

42

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

42

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

42

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

42

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

43

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

43

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

43

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

43

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

44

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

44

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

45

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

45

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

45

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

45

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

46

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

46

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

47

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

47

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

47

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

47

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

48

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

49

C1116 STOP LAMP SWITCH . . . . . . .

50

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

50

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

50

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

50

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

51

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

52

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

52

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

52

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

52

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

53

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

53

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

55

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

55

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

55

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

55

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

56

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

56

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

58

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

58

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

58

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

58

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

59

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

59

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

59

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

59

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

60

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

60

C1143, C1144 STEERING ANGLE SENSOR ...

61

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

61

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

61

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

61

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

62

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

62

C1155 BRAKE FLUID LEVEL SWITCH . . ...

64

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

64

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

64

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

64

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

65

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

65

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

67

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

67

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

67

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

67

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

68

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

68

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

68

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

68

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

69

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

69

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

69

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

69

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

70

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

70

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

70

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

70

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

71

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

72

U1000 CAN COMM CIRCUIT . . . . . . .

73

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

73

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

73

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

73

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

74

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

74

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

74

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

74

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

75

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

75

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

76

2011 Pathfinder

BRC-3

C

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BRC

N

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

76

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

76

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

76

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

76

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

77

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

77

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

77

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

77

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

77

VDC OFF INDICATOR LAMP . . . . . . .

78

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

78

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

78

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

78

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

79

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

80

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

80

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

80

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

80

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

80

ECU DIAGNOSIS INFORMATION . . . ..

81

APPLICATION NOTICE . . . . . . . . . .

81

Application Notice . . . . . . . . . . . . ...

81

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

82

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

82

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

86

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

86

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

88

BRAKE CONTROL SYSTEM - VDC . . . . ..

88

Wiring Diagram - With VQ40DE . . . . . . . ..

88

SYMPTOM DIAGNOSIS . . . . . . . ..

96

APPLICATION NOTICE . . . . . . . . . .

96

Application Notice . . . . . . . . . . . . ...

96

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

97

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

97

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

98

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

98

UNEXPECTED PEDAL REACTION . . . . ..

99

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

99

THE BRAKING DISTANCE IS LONG . . . ..

100

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

100

ABS FUNCTION DOES NOT OPERATE . . .

101

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

101

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

102

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

102

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

103

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

103

NORMAL OPERATING CONDITION . . . .

104

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

104

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

105

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

105

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

105

Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect . . . . . . . . .

105

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

106

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

106

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

107

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

108

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

108

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

108

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

109

UNIT REMOVAL AND INSTALLATION .

110

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

110

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

110

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

111

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

111

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

112

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

112

STEERING ANGLE SENSOR . . . . . . .

114

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

114

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

115

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

115

TYPE 2

BASIC INSPECTION . . . . . . . . .

116

APPLICATION NOTICE . . . . . . . . ..

116

Application Notice . . . . . . . . . . . . ..

116

DIAGNOSIS AND REPAIR WORKFLOW . ..

117

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

117

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

120

INSPECTION AND ADJUSTMENT . . . .

121

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

121

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

121

2011 Pathfinder

BRC-4

ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement .

121

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

121

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

121

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

121

CALIBRATION OF DECEL G SENSOR . . . . ..

122

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

122

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

122

SYSTEM DESCRIPTION . . . . . . ...

124

APPLICATION NOTICE . . . . . . . . ..

124

Application Notice . . . . . . . . . . . . ..

124

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

125

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

125

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

125

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

126

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

127

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

128

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

129

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

129

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

129

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

130

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

131

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

132

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

132

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

132

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

133

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

134

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

135

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

135

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

135

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

136

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

137

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

138

CONSULT-III Function (ABS) . . . . . . . .

138

DTC/CIRCUIT DIAGNOSIS . . . . . .

143

APPLICATION NOTICE . . . . . . . . ..

143

Application Notice . . . . . . . . . . . . ..

143

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

144

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

144

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

144

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

144

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

146

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

146

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

147

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

147

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

147

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

147

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

149

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

149

C1109 POWER AND GROUND SYSTEM . ...

150

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

150

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

150

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

150

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

151

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

152

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

152

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

152

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

152

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

153

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

153

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

153

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

153

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

154

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

154

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

155

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

155

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

155

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

155

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

156

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

156

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

157

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

157

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

157

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

157

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

158

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

159

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

160

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

160

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

160

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

160

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

161

C1120, C1122, C1124, C1126 IN ABS SOL .

162

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

162

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

162

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

162

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

163

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

163

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

165

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

165

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

165

2011 Pathfinder

BRC-5

C

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BRC

N

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

165

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

166

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

166

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

168

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

168

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

168

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

168

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

169

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

169

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

169

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

169

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

170

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

170

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

171

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

171

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

171

Diagnosis Procedure (Front Pressure Sensor) . .

171

Diagnosis Procedure (Rear Pressure Sensor) . ..

172

Component Inspection (Front Pressure Sensor) ...

173

Component Inspection (Rear Pressure Sensor) ...

173

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

173

C1143, C1144 STEERING ANGLE SENSOR ..

175

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

175

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

175

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

175

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

176

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

176

C1155 BRAKE FLUID LEVEL SWITCH . . ..

178

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

178

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

178

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

178

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

179

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

179

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

181

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

181

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

181

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

181

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

182

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

182

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

182

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

182

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

183

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

183

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

183

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

183

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

184

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

184

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

184

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

184

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

185

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

186

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

187

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

187

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

187

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

187

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

188

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

188

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

190

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

190

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

190

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

190

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

191

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

191

U1000 CAN COMM CIRCUIT . . . . . . .

192

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

192

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

192

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

192

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

193

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

193

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

193

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

193

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

194

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

194

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

195

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

195

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

195

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

195

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

195

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

196

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

196

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

196

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

196

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

196

VDC OFF INDICATOR LAMP . . . . . . .

197

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

197

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

197

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

197

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

198

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

199

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

199

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

199

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

199

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

199

ECU DIAGNOSIS INFORMATION . . .

200

APPLICATION NOTICE . . . . . . . . ..

200

Application Notice . . . . . . . . . . . . ..

200

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

201

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

201

2011 Pathfinder

BRC-6

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

205

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

205

WIRING DIAGRAM . . . . . . . . .

207

BRAKE CONTROL SYSTEM - VDC . . . ...

207

Wiring Diagram - With VK56DE . . . . . . . .

207

SYMPTOM DIAGNOSIS . . . . . . .

215

APPLICATION NOTICE . . . . . . . . ..

215

Application Notice . . . . . . . . . . . . ..

215

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

216

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

216

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

217

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

217

UNEXPECTED PEDAL REACTION . . . .

218

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

218

THE BRAKING DISTANCE IS LONG . . . .

219

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

219

ABS FUNCTION DOES NOT OPERATE . .

220

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

220

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

221

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

221

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

222

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

222

NORMAL OPERATING CONDITION . . . ..

223

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

223

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

224

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

224

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

224

Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect . . . . . . . .

224

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

225

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

225

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

226

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

227

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

227

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

227

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

228

UNIT REMOVAL AND INSTALLATION ...

229

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

229

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

229

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

230

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

230

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

231

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

231

STEERING ANGLE SENSOR . . . . . . ..

233

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

233

YAW RATE/SIDE/DECEL G SENSOR . . .

234

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

234

2011 Pathfinder

APPLICATION NOTICE

BRC-7

< BASIC INSPECTION >

[TYPE 1]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

BASIC INSPECTION

APPLICATION NOTICE

Application Notice

INFOID:0000000006245819

Service information

Remarks

TYPE 1

VDC/TCS/ABS (VQ40DE)

TYPE 2

VDC/TCS/ABS (VK56DE)

2011 Pathfinder

BRC-8

< BASIC INSPECTION >

[TYPE 1]

DIAGNOSIS AND REPAIR WORKFLOW

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000006245820

PRECAUTIONS FOR DIAGNOSIS

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

trol unit) or tires have been replaced, or if wheel alignment has been adjusted, be sure to adjust neutral posi-

tion of steering angle sensor before driving. Refer to

BRC-12, "ADJUSTMENT OF STEERING ANGLE

SENSOR NEUTRAL POSITION : Description"

.

2011 Pathfinder