Nissan Pathfinder (2009 year). Manual - part 97

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SECTION 

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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

FUNCTION DIAGNOSIS ..............................

15

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

15

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

15

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

16

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

16

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

18

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

18

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

21

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

22

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

22

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

23

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

24

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

24

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

24

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

25

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

25

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

25

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

26

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

26

COMPONENT DIAGNOSIS  .........................

31

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

31

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

31

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

32

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

32

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

32

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

32

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

34

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

34

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

35

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

35

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

35

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

35

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

37

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

37

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

38

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

38

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

38

2009 Pathfinder

BRC-2

Diagnosis Procedure (With VQ40DE)  ....................

38

Diagnosis Procedure (With VK56DE)  .....................

39

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

40

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

41

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

41

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

41

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

41

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

42

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

42

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

42

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

42

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

43

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

43

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

45

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

45

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

45

Diagnosis Procedure (With VQ40DE)  ....................

45

Diagnosis Procedure (With VK56DE)  .....................

46

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

47

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

47

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

48

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

48

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

48

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

48

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

49

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

50

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

51

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

51

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

51

Diagnosis Procedure (With VQ40DE)  ....................

51

Diagnosis Procedure (With VK56DE)  .....................

51

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

52

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

53

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

53

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

53

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

53

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

54

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

55

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

56

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

56

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

56

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

56

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

57

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

58

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

59

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

59

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

59

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

59

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

59

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

61

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

61

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

61

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

61

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

62

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

62

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

63

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

63

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

63

Diagnosis Procedure (With VK56DE)  .....................

63

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

65

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

65

C1143, C1144 STEERING ANGLE SENSOR ...

66

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

66

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

66

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

66

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

67

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

67

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

69

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

69

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

69

Diagnosis Procedure (With VQ40DE) .....................

69

Diagnosis Procedure (With VK56DE)  .....................

70

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

71

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

71

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

72

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

72

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

72

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

72

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

73

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

73

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

73

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

73

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

74

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

74

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

74

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

74

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

75

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

75

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

75

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

75

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

76

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

77

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

78

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

78

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

78

Diagnosis Procedure (With VK56DE)  .....................

78

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

79

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

79

2009 Pathfinder

BRC-3

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

81

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

81

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

81

Diagnosis Procedure (With VK56DE)  .....................

81

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

82

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

82

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

83

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

83

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

83

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

83

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

83

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

84

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

84

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

84

Diagnosis Procedure (With VQ40DE)  .....................

84

Diagnosis Procedure (With VK56DE)  .....................

85

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

86

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

87

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

87

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

87

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

87

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

88

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

88

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

88

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

88

VDC OFF INDICATOR LAMP  ............................

89

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

89

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

89

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

89

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

90

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

90

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

90

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

90

ECU DIAGNOSIS .........................................

91

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

91

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

91

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

92

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

92

Wiring Diagram - Without Hill Descent Control/Hill 
Start Assist or VK56DE  ...........................................

97

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

105

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

112

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

113

SYMPTOM DIAGNOSIS  ............................

115

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

115

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

115

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

116

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

116

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

117

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

117

UNEXPECTED PEDAL REACTION  ...............

118

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

118

THE BRAKING DISTANCE IS LONG .............

119

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

119

ABS FUNCTION DOES NOT OPERATE  .......

120

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

120

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

121

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

121

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

122

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

122

NORMAL OPERATING CONDITION  .............

123

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

123

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

124

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

124

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

124

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

124

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

124

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

125

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

127

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

127

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

127

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

128

REMOVAL AND INSTALLATION  .............

129

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

129

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

129

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

130

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

130

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

131

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

131

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

134

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

134

G SENSOR ......................................................

135

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

135

TYPE 2

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

136

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

136

2009 Pathfinder

BRC-4

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

136

DIAGNOSIS AND REPAIR WORKFLOW  .......

137

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

137

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

140

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

141

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

141

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

141

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

141

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

141

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

141

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

141

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

142

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

142

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

142

FUNCTION DIAGNOSIS  ............................

144

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

144

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

144

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

145

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

145

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

146

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

147

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

148

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

149

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

149

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

150

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

151

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

151

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

151

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

152

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

152

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

152

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

153

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

153

COMPONENT DIAGNOSIS  .......................

158

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

158

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

158

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

159

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

159

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

159

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

159

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

161

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

161

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

162

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

162

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

162

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

162

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

164

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

164

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

165

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

165

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

165

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

165

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

166

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

167

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

167

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

167

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

167

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

168

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

168

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

168

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

168

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

169

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

169

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

170

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

170

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

170

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

170

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

171

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

171

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

173

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

173

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

173

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

173

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

174

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

175

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

176

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

176

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

176

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

176

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

177

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

178

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

178

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

178

2009 Pathfinder

BRC-5

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

178

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

179

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

179

C1121, C1123, C1125, C1127 OUT ABS SOL 

..

181

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

181

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

181

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

181

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

182

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

182

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

184

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

184

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

184

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

184

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

184

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

186

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

186

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

186

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

186

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

187

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

187

C1143, C1144 STEERING ANGLE SENSOR ..

188

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

188

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

188

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

188

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

189

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

189

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

191

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

191

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

191

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

191

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

192

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

192

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

193

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

193

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

193

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

193

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

194

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

194

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

194

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

194

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

195

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

195

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

195

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

195

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

196

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

196

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

196

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

196

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

197

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

198

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

199

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

199

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

199

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

199

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

199

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

200

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

200

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

200

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

200

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

201

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

202

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

202

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

202

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

202

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

203

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

203

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

203

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

203

VDC OFF INDICATOR LAMP .........................

204

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

204

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

204

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

204

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

205

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

205

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

205

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

205

ECU DIAGNOSIS .......................................

206

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

206

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

206

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

207

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

207

Wiring Diagram - With Hill Descent Control/Hill 
Start Assist  ............................................................

211

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

217

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

218

SYMPTOM DIAGNOSIS  ............................

220

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

220

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

220

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

221

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

221

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

222

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

222

UNEXPECTED PEDAL REACTION  ...............

223

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

223

THE BRAKING DISTANCE IS LONG .............

224

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

224

2009 Pathfinder

BRC-6

ABS FUNCTION DOES NOT OPERATE  ........

225

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

225

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

226

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

226

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

227

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

227

NORMAL OPERATING CONDITION  ..............

228

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

228

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

229

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

229

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

229

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

229

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

229

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

230

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

232

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

232

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

232

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

233

REMOVAL AND INSTALLATION .............

234

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

234

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

234

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

235

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

235

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

236

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

236

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

238

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

238

G SENSOR  .......................................................

239

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

239

2009 Pathfinder

APPLICATION NOTICE

BRC-7

< BASIC INSPECTION >

[TYPE 1]

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BASIC INSPECTION

APPLICATION NOTICE

Application Notice

INFOID:0000000003937709

Service information

Remarks

TYPE 1

VDC/TCS/ABS

TYPE 2

HILL DESCENT CONTROL/HILL START ASSIST/VDC/TCS/ABS

2009 Pathfinder

BRC-8

< BASIC INSPECTION >

[TYPE 1]

DIAGNOSIS AND REPAIR WORKFLOW

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000003937710

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"

.

2009 Pathfinder