Infiniti G35 (V35) Sedan. Manual — part 833

LAN

LAN-1

ELECTRICAL & POWER CONTROL

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SECTION

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CONTENTS

LAN SYSTEM

CAN FUNDAMENTAL

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

8

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

8

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

8

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

8

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

9

CAN COMMUNICATION SYSTEM . . . . . .

9

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

9

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

9

CAN Communication Control Circuit . . . . . ...

10

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

11

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

11

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

11

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

12

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

12

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

12

CAN Diagnosis with CONSULT-III . . . . . . ..

15

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

15

CAN Diagnostic Support Monitor . . . . . . .

15

How to Use CAN Communication Signal Chart . ..

17

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

18

DIAGNOSIS AND REPAIR WORKFLOW . . .

18

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

18

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

18

CAN

HOW TO USE THIS MANUAL . . . . . .

23

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

23

Caution . . . . . . . . . . . . . . . . .

23

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

23

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

24

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

24

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

24

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

24

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

24

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

26

DIAGNOSIS AND REPAIR WORKFLOW . .

26

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

26

FUNCTION DIAGNOSIS . . . . . . . ..

27

CAN COMMUNICATION SYSTEM . . . . ...

27

CAN System Specification Chart . . . . . . . .

27

CAN Communication Signal Chart . . . . . . ..

28

COMPONENT DIAGNOSIS . . . . . . .

32

CAN COMMUNICATION SYSTEM . . . . ...

32

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

32

Wiring Diagram — CAN SYSTEM — . . . . . ..

33

MALFUNCTION AREA CHART . . . . . .

39

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

39

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

39

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

39

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

40

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

40

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

41

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

41

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

42

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

42

LAN-2

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

43

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

43

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

45

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

45

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

46

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

46

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

47

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

47

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

48

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

48

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

49

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

49

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

50

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

50

AFS BRANCH LINE CIRCUIT . . . . . . ...

51

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

51

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

52

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

52

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

53

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

53

STRG BRANCH LINE CIRCUIT . . . . . .

54

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

54

RAS BRANCH LINE CIRCUIT . . . . . . ..

55

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

55

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

56

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

56

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

57

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

57

ICC BRANCH LINE CIRCUIT . . . . . . .

58

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

58

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

59

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

59

CAN COMMUNICATION CIRCUIT . . . . .

60

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

60

CAN SYSTEM (TYPE 1)

COMPONENT DIAGNOSIS . . . . . .

62

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

62

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

62

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

63

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

63

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

64

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

64

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

65

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

65

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

66

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

66

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

67

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

67

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

68

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

68

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

69

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

69

STRG BRANCH LINE CIRCUIT . . . . . .

70

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

70

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

71

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

71

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

72

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

72

CAN COMMUNICATION CIRCUIT . . . . ...

73

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

73

CAN SYSTEM (TYPE 3)

COMPONENT DIAGNOSIS . . . . . ...

75

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

75

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

75

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

76

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

76

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

77

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

77

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

79

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

79

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

80

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

80

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

81

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

81

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

82

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

82

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

83

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

83

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

84

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

84

LAN

LAN-3

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STRG BRANCH LINE CIRCUIT . . . . . . .

85

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

85

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

86

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

86

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

87

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

87

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

88

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

88

CAN COMMUNICATION CIRCUIT . . . . .

89

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

89

CAN SYSTEM (TYPE 4)

COMPONENT DIAGNOSIS . . . . . . .

91

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

91

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

91

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

92

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

92

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

93

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

93

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

95

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

95

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

96

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

96

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

97

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

97

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

98

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

98

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

99

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

99

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

100

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

100

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

101

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

101

RAS BRANCH LINE CIRCUIT . . . . . . .

102

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

102

ADP BRANCH LINE CIRCUIT . . . . . . .

103

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

103

ABS BRANCH LINE CIRCUIT . . . . . . .

104

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

104

IPDM-E BRANCH LINE CIRCUIT . . . . .

105

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

105

CAN COMMUNICATION CIRCUIT . . . . .

106

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

106

CAN SYSTEM (TYPE 5)

COMPONENT DIAGNOSIS . . . . . ...

108

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

108

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

108

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

109

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

109

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

110

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

110

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

112

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

112

A-BAG BRANCH LINE CIRCUIT . . . . .

113

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

113

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

114

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

114

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

115

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

115

AFS BRANCH LINE CIRCUIT . . . . . .

116

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

116

DLC BRANCH LINE CIRCUIT . . . . . .

117

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

117

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

118

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

118

STRG BRANCH LINE CIRCUIT . . . . . .

119

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

119

ADP BRANCH LINE CIRCUIT . . . . . .

120

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

120

ABS BRANCH LINE CIRCUIT . . . . . .

121

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

121

ICC BRANCH LINE CIRCUIT . . . . . . .

122

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

122

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

123

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

123

CAN COMMUNICATION CIRCUIT . . . . .

124

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

124

CAN SYSTEM (TYPE 6)

COMPONENT DIAGNOSIS . . . . . ...

126

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

126

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

126

LAN-4

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

127

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

127

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

128

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

128

ECM BRANCH LINE CIRCUIT . . . . . .

130

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

130

A-BAG BRANCH LINE CIRCUIT . . . . .

131

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

131

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

132

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

132

BCM BRANCH LINE CIRCUIT . . . . . .

133

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

133

AFS BRANCH LINE CIRCUIT . . . . . . .

134

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

134

DLC BRANCH LINE CIRCUIT . . . . . . .

135

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

135

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

136

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

136

STRG BRANCH LINE CIRCUIT . . . . . ..

137

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

137

RAS BRANCH LINE CIRCUIT . . . . . .

138

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

138

ADP BRANCH LINE CIRCUIT . . . . . .

139

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

139

ABS BRANCH LINE CIRCUIT . . . . . .

140

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

140

ICC BRANCH LINE CIRCUIT . . . . . . ..

141

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

141

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

142

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

142

CAN COMMUNICATION CIRCUIT . . . . ..

143

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

143

CAN SYSTEM (TYPE 7)

COMPONENT DIAGNOSIS . . . . . ...

145

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

145

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

145

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

146

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

146

ECM BRANCH LINE CIRCUIT . . . . . .

147

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

147

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

148

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

148

AV BRANCH LINE CIRCUIT . . . . . . .

149

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

149

BCM BRANCH LINE CIRCUIT . . . . . . .

150

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

150

TCM BRANCH LINE CIRCUIT . . . . . . .

151

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

151

DLC BRANCH LINE CIRCUIT . . . . . . .

152

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

152

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

153

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

153

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

154

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

154

ABS BRANCH LINE CIRCUIT . . . . . . .

155

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

155

IPDM-E BRANCH LINE CIRCUIT . . . . .

156

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

156

CAN COMMUNICATION CIRCUIT . . . . ..

157

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

157

CAN SYSTEM (TYPE 9)

COMPONENT DIAGNOSIS . . . . . ..

159

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

159

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

159

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

160

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

160

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

161

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

161

ECM BRANCH LINE CIRCUIT . . . . . . .

163

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

163

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

164

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

164

AV BRANCH LINE CIRCUIT . . . . . . .

165

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

165

BCM BRANCH LINE CIRCUIT . . . . . . .

166

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

166

TCM BRANCH LINE CIRCUIT . . . . . . .

167

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

167

DLC BRANCH LINE CIRCUIT . . . . . . .

168

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

168