Nissan Pathfinder. Manual — part 762

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ELECTRICAL & POWER CONTROL

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SECTION

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CONTENTS

LAN SYSTEM

CAN FUNDAMENTAL

HOW TO USE THIS MANUAL . . . . . ..

9

HOW TO USE THIS SECTION . . . . . . .

9

Information . . . . . . . . . . . . . . . ....

9

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

10

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

10

Precautions for Trouble Diagnosis . . . . . . ..

10

Precautions for Harness Repair . . . . . . . ..

10

SYSTEM DESCRIPTION . . . . . . . .

11

SYSTEM . . . . . . . . . . . . . . . .

11

CAN COMMUNICATION SYSTEM . . . . . . ...

11

CAN COMMUNICATION SYSTEM : System De-
scription . . . . . . . . . . . . . . . . ...

11

DIAG ON CAN . . . . . . . . . . . . . . ...

11

DIAG ON CAN : System Description . . . . . ..

11

TROUBLE DIAGNOSIS . . . . . . . . . .

13

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

13

Condition of Error Detection . . . . . . . . .

13

Symptom When Error Occurs in CAN Communi-
cation System . . . . . . . . . . . . . . ..

14

CAN Diagnosis with CONSULT . . . . . . . ..

16

Self-Diagnosis . . . . . . . . . . . . . . .

17

CAN Diagnostic Support Monitor . . . . . . .

17

How to Use CAN Communication Signal Chart . ..

19

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

20

DIAGNOSIS AND REPAIR WORKFLOW . . .

20

Trouble Diagnosis Flow Chart . . . . . . . . .

20

Trouble Diagnosis Procedure . . . . . . . . ..

20

CAN

HOW TO USE THIS MANUAL . . . . . .

25

HOW TO USE THIS SECTION . . . . . . .

25

Information . . . . . . . . . . . . . . . ...

25

Abbreviation List . . . . . . . . . . . . . ..

25

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

26

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

26

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

26

Precautions for Trouble Diagnosis . . . . . . ..

26

Precautions for Harness Repair . . . . . . . ..

26

SYSTEM DESCRIPTION . . . . . . . .

28

COMPONENT PARTS . . . . . . . . . ..

28

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

28

SYSTEM . . . . . . . . . . . . . . .

29

CAN COMMUNICATION SYSTEM . . . . . . .

29

CAN COMMUNICATION SYSTEM : System De-
scription . . . . . . . . . . . . . . . . ...

29

CAN COMMUNICATION SYSTEM : CAN Com-
munication Control Circuit . . . . . . . . . ...

34

CAN COMMUNICATION SYSTEM : CAN System
Specification Chart . . . . . . . . . . . . ..

34

CAN COMMUNICATION SYSTEM : CAN Com-
munication Signal Chart . . . . . . . . . . ..

36

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

40

CAN SYSTEM (WITHOUT AROUND VIEW
MONITOR SYSTEM) . . . . . . . . . . .

40

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

40

CAN SYSTEM (WITH AROUND VIEW MONI-
TOR SYSTEM) . . . . . . . . . . . . ..

49

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

49

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

59

DIAGNOSIS AND REPAIR WORKFLOW . .

59

LAN-2

Interview Sheet . . . . . . . . . . . . . ...

59

DTC/CIRCUIT DIAGNOSIS . . . . . . .

60

MALFUNCTION AREA CHART . . . . . .

60

Main Line . . . . . . . . . . . . . . . ....

60

Branch Line . . . . . . . . . . . . . . ....

60

Short Circuit . . . . . . . . . . . . . . ....

60

MAIN LINE BETWEEN IPDM-E AND ABS
CIRCUIT . . . . . . . . . . . . . . . .

61

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

61

MAIN LINE BETWEEN ABS AND DLC CIR-
CUIT . . . . . . . . . . . . . . . . ...

62

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

62

MAIN LINE BETWEEN DLC AND 4WD CIR-
CUIT . . . . . . . . . . . . . . . . ...

63

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

63

MAIN LINE BETWEEN DLC AND ADP CIR-
CUIT . . . . . . . . . . . . . . . . ...

64

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

64

MAIN LINE BETWEEN ADP AND PWBD CIR-
CUIT . . . . . . . . . . . . . . . . ...

65

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

65

MAIN LINE BETWEEN DLC AND CGW CIR-
CUIT . . . . . . . . . . . . . . . . ...

66

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

66

ECM BRANCH LINE CIRCUIT . . . . . . ..

67

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

67

IPDM-E BRANCH LINE CIRCUIT . . . . . .

68

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

68

TCM BRANCH LINE CIRCUIT . . . . . . ..

69

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

69

ABS BRANCH LINE CIRCUIT . . . . . . ..

70

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

70

EPS BRANCH LINE CIRCUIT . . . . . . ...

71

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

71

A-BAG BRANCH LINE CIRCUIT . . . . . ..

72

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

72

AV BRANCH LINE CIRCUIT . . . . . . . .

73

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

73

DLC BRANCH LINE CIRCUIT . . . . . . ...

74

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

74

DLC BRANCH LINE CIRCUIT (CAN COMMU-
NICATION CIRCUIT 1) . . . . . . . . . ..

75

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

75

DLC BRANCH LINE CIRCUIT (CAN COMMU-
NICATION CIRCUIT 2) . . . . . . . . . ..

76

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

76

HVAC BRANCH LINE CIRCUIT . . . . . .

77

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

77

M&A BRANCH LINE CIRCUIT . . . . . . ..

78

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

78

SONAR BRANCH LINE CIRCUIT . . . . . .

79

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

79

STRG BRANCH LINE CIRCUIT . . . . . .

80

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

80

ADP BRANCH LINE CIRCUIT . . . . . . ..

81

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

81

4WD BRANCH LINE CIRCUIT . . . . . . ..

82

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

82

PWBD BRANCH LINE CIRCUIT . . . . . ...

83

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

83

BCM BRANCH LINE CIRCUIT . . . . . . ..

84

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

84

CGW BRANCH LINE CIRCUIT (CAN COM-
MUNICATION CIRCUIT 1) . . . . . . . .

85

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

85

CGW BRANCH LINE CIRCUIT (CAN COM-
MUNICATION CIRCUIT 2) . . . . . . . .

86

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

86

AVM BRANCH LINE CIRCUIT . . . . . . ..

87

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

87

CAN COMMUNICATION CIRCUIT . . . . ...

88

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

88

CAN COMMUNICATION CIRCUIT 1 . . . .

90

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

90

CAN COMMUNICATION CIRCUIT 2 . . . .

92

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

92

CAN GATEWAY

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

94

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

94

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

94

SYSTEM DESCRIPTION . . . . . . ...

95

COMPONENT PARTS . . . . . . . . . ...

95

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

95

SYSTEM . . . . . . . . . . . . . . .

96

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

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DIAGNOSIS SYSTEM (CAN GATEWAY) . . .

97

CONSULT Function . . . . . . . . . . . .

97

ECU DIAGNOSIS INFORMATION . . . ..

99

CAN GATEWAY . . . . . . . . . . . . .

99

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

99

DTC Inspection Priority Chart . . . . . . . ...

99

DTC Index . . . . . . . . . . . . . . .

100

WIRING DIAGRAM . . . . . . . . .

101

CAN GATEWAY SYSTEM . . . . . . . ...

101

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

101

BASIC INSPECTION . . . . . . . . .

103

ADDITIONAL SERVICE WHEN REPLACING
CAN GATEWAY . . . . . . . . . . . ...

103

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

103

Work Procedure . . . . . . . . . . . . .

103

CONFIGURATION (CAN GATEWAY) . . . .

104

Work Procedure . . . . . . . . . . . . .

104

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

105

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

105

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

105

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

105

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

105

U1010 CONTROL UNIT (CAN) . . . . . .

106

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

106

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

106

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

106

B2600 CONFIG ERROR . . . . . . . . ..

107

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

107

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

107

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

107

POWER SUPPLY AND GROUND CIRCUIT .

108

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

108

REMOVAL AND INSTALLATION . . . .

109

CAN GATEWAY . . . . . . . . . . . ...

109

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

109

CAN SYSTEM (TYPE 1)

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

110

MAIN LINE BETWEEN IPDM-E AND ABS
CIRCUIT . . . . . . . . . . . . . . ...

110

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

110

MAIN LINE BETWEEN ABS AND DLC CIR-
CUIT . . . . . . . . . . . . . . . . ..

111

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

111

ECM BRANCH LINE CIRCUIT . . . . . . .

112

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

112

IPDM-E BRANCH LINE CIRCUIT . . . . ...

113

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

113

TCM BRANCH LINE CIRCUIT . . . . . .

114

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

114

ABS BRANCH LINE CIRCUIT . . . . . .

115

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

115

EPS BRANCH LINE CIRCUIT . . . . . .

116

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

116

A-BAG BRANCH LINE CIRCUIT . . . . .

117

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

117

DLC BRANCH LINE CIRCUIT . . . . . .

118

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

118

HVAC BRANCH LINE CIRCUIT . . . . . .

119

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

119

M&A BRANCH LINE CIRCUIT . . . . . ...

120

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

120

STRG BRANCH LINE CIRCUIT . . . . . .

121

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

121

BCM BRANCH LINE CIRCUIT . . . . . ...

122

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

122

CAN COMMUNICATION CIRCUIT . . . . .

123

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

123

CAN SYSTEM (TYPE 2)

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

125

MAIN LINE BETWEEN IPDM-E AND ABS
CIRCUIT . . . . . . . . . . . . . . ..

125

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

125

MAIN LINE BETWEEN ABS AND DLC CIR-
CUIT . . . . . . . . . . . . . . . .

126

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

126

ECM BRANCH LINE CIRCUIT . . . . . ...

127

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

127

IPDM-E BRANCH LINE CIRCUIT . . . . ...

128

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

128

TCM BRANCH LINE CIRCUIT . . . . . .

129

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

129

ABS BRANCH LINE CIRCUIT . . . . . .

130

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

130

EPS BRANCH LINE CIRCUIT . . . . . .

131

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

131

A-BAG BRANCH LINE CIRCUIT . . . . .

132

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

132

LAN-4

AV BRANCH LINE CIRCUIT . . . . . . ...

133

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

133

DLC BRANCH LINE CIRCUIT . . . . . . .

134

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

134

HVAC BRANCH LINE CIRCUIT . . . . . ..

135

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

135

M&A BRANCH LINE CIRCUIT . . . . . .

136

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

136

SONAR BRANCH LINE CIRCUIT . . . . ...

137

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

137

STRG BRANCH LINE CIRCUIT . . . . . ..

138

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

138

BCM BRANCH LINE CIRCUIT . . . . . .

139

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

139

CAN COMMUNICATION CIRCUIT . . . . ..

140

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

140

CAN SYSTEM (TYPE 3)

DTC/CIRCUIT DIAGNOSIS . . . . . .

142

MAIN LINE BETWEEN IPDM-E AND ABS
CIRCUIT . . . . . . . . . . . . . . ...

142

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

142

MAIN LINE BETWEEN ABS AND DLC CIR-
CUIT . . . . . . . . . . . . . . . . .

143

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

143

MAIN LINE BETWEEN DLC AND ADP CIR-
CUIT . . . . . . . . . . . . . . . . .

144

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

144

MAIN LINE BETWEEN ADP AND PWBD CIR-
CUIT . . . . . . . . . . . . . . . . .

145

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

145

ECM BRANCH LINE CIRCUIT . . . . . .

146

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

146

IPDM-E BRANCH LINE CIRCUIT . . . . ...

147

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

147

TCM BRANCH LINE CIRCUIT . . . . . .

148

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

148

ABS BRANCH LINE CIRCUIT . . . . . .

149

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

149

EPS BRANCH LINE CIRCUIT . . . . . . .

150

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

150

A-BAG BRANCH LINE CIRCUIT . . . . .

151

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

151

AV BRANCH LINE CIRCUIT . . . . . . ...

152

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

152

DLC BRANCH LINE CIRCUIT . . . . . . .

153

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

153

HVAC BRANCH LINE CIRCUIT . . . . . ...

154

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

154

M&A BRANCH LINE CIRCUIT . . . . . . .

155

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

155

SONAR BRANCH LINE CIRCUIT . . . . .

156

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

156

STRG BRANCH LINE CIRCUIT . . . . . ...

157

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

157

ADP BRANCH LINE CIRCUIT . . . . . . .

158

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

158

PWBD BRANCH LINE CIRCUIT . . . . . ..

159

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

159

BCM BRANCH LINE CIRCUIT . . . . . . .

160

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

160

CAN COMMUNICATION CIRCUIT . . . . ..

161

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

161

CAN SYSTEM (TYPE 4)

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

163

MAIN LINE BETWEEN IPDM-E AND ABS
CIRCUIT . . . . . . . . . . . . . . .

163

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

163

MAIN LINE BETWEEN ABS AND DLC CIR-
CUIT . . . . . . . . . . . . . . . . ..

164

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

164

MAIN LINE BETWEEN DLC AND ADP CIR-
CUIT . . . . . . . . . . . . . . . . ..

165

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

165

MAIN LINE BETWEEN ADP AND PWBD CIR-
CUIT . . . . . . . . . . . . . . . . ..

166

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

166

MAIN LINE BETWEEN DLC AND CGW CIR-
CUIT . . . . . . . . . . . . . . . . ..

167

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

167

ECM BRANCH LINE CIRCUIT . . . . . . .

168

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

168

IPDM-E BRANCH LINE CIRCUIT . . . . .

169

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

169

TCM BRANCH LINE CIRCUIT . . . . . . .

170

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

170

ABS BRANCH LINE CIRCUIT . . . . . . .

171

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

171

EPS BRANCH LINE CIRCUIT . . . . . . ..

172