Nissan Altima L32. Instruction — part 868

LAN

LAN-1

ELECTRICAL & POWER CONTROL

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SECTION

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CONTENTS

LAN SYSTEM

CAN FUNDAMENTAL

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

6

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

6

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

6

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

6

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

7

CAN COMMUNICATION SYSTEM . . . . . .

7

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

7

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

7

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

8

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

9

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

9

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

9

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

10

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

10

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

10

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

13

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

13

CAN Diagnostic Support Monitor . . . . . . .

13

How to Use CAN Communication Signal Chart . ..

15

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

16

DIAGNOSIS AND REPAIR WORKFLOW . . .

16

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

16

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

16

CAN

HOW TO USE THIS MANUAL . . . . . .

21

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

21

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

21

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

21

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

22

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

22

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

22

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

22

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

22

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

24

DIAGNOSIS AND REPAIR WORKFLOW . .

24

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

24

FUNCTION DIAGNOSIS . . . . . . . ..

25

CAN COMMUNICATION SYSTEM . . . . ...

25

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

25

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

25

COMPONENT DIAGNOSIS . . . . . . .

28

CAN COMMUNICATION SYSTEM . . . . ...

28

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

28

Wiring Diagram - CAN SYSTEM - . . . . . . ...

29

MALFUNCTION AREA CHART . . . . . .

34

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

34

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

34

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

34

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

35

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

35

ECM BRANCH LINE CIRCUIT . . . . . . .

36

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

36

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

37

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

37

AV BRANCH LINE CIRCUIT . . . . . . .

38

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

38

BCM BRANCH LINE CIRCUIT . . . . . . .

39

LAN-2

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

39

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

40

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

40

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

41

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

41

STRG BRANCH LINE CIRCUIT . . . . . .

42

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

42

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

43

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

43

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

44

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

44

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

45

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

45

CAN COMMUNICATION CIRCUIT . . . . .

46

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

46

CAN SYSTEM (TYPE 1)

COMPONENT DIAGNOSIS . . . . . .

48

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

48

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

48

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

49

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

49

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

50

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

50

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

51

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

51

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

52

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

52

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

53

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

53

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

54

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

54

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

55

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

55

CAN COMMUNICATION CIRCUIT . . . . .

56

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

56

CAN SYSTEM (TYPE 2)

COMPONENT DIAGNOSIS . . . . . .

58

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

58

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

58

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

59

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

59

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

60

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

60

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

61

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

61

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

62

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

62

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

63

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

63

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

64

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

64

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

65

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

65

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

66

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

66

CAN COMMUNICATION CIRCUIT . . . . ...

67

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

67

CAN SYSTEM (TYPE 3)

COMPONENT DIAGNOSIS . . . . . ...

69

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

69

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

69

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

70

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

70

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

71

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

71

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

72

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

72

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

73

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

73

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

74

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

74

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

75

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

75

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

76

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

76

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

77

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

77

CAN COMMUNICATION CIRCUIT . . . . ...

78

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

78

CAN SYSTEM (TYPE 4)

COMPONENT DIAGNOSIS . . . . . ...

80

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

80

LAN

LAN-3

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

80

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

81

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

81

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

82

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

82

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

83

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

83

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

84

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

84

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

85

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

85

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

86

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

86

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

87

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

87

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

88

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

88

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

89

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

89

CAN COMMUNICATION CIRCUIT . . . . .

90

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

90

CAN SYSTEM (TYPE 5)

COMPONENT DIAGNOSIS . . . . . . .

92

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

92

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

92

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

93

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

93

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

94

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

94

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

95

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

95

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

96

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

96

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

97

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

97

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

98

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

98

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

99

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

99

CAN COMMUNICATION CIRCUIT . . . . ..

100

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

100

CAN SYSTEM (TYPE 6)

COMPONENT DIAGNOSIS . . . . . ...

102

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

102

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

102

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

103

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

103

A-BAG BRANCH LINE CIRCUIT . . . . .

104

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

104

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

105

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

105

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

106

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

106

DLC BRANCH LINE CIRCUIT . . . . . .

107

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

107

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

108

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

108

ABS BRANCH LINE CIRCUIT . . . . . .

109

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

109

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

110

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

110

CAN COMMUNICATION CIRCUIT . . . . .

111

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

111

CAN SYSTEM (TYPE 7)

COMPONENT DIAGNOSIS . . . . . ...

113

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

113

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

113

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

114

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

114

A-BAG BRANCH LINE CIRCUIT . . . . .

115

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

115

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

116

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

116

DLC BRANCH LINE CIRCUIT . . . . . .

117

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

117

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

118

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

118

ABS BRANCH LINE CIRCUIT . . . . . .

119

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

119

TCM BRANCH LINE CIRCUIT . . . . . .

120

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

120

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

121

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

121

LAN-4

CAN COMMUNICATION CIRCUIT . . . . ..

122

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

122

CAN SYSTEM (TYPE 8)

COMPONENT DIAGNOSIS . . . . . ...

124

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

124

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

124

ECM BRANCH LINE CIRCUIT . . . . . .

125

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

125

A-BAG BRANCH LINE CIRCUIT . . . . .

126

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

126

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

127

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

127

BCM BRANCH LINE CIRCUIT . . . . . .

128

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

128

DLC BRANCH LINE CIRCUIT . . . . . . .

129

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

129

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

130

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

130

ABS BRANCH LINE CIRCUIT . . . . . .

131

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

131

TCM BRANCH LINE CIRCUIT . . . . . .

132

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

132

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

133

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

133

CAN COMMUNICATION CIRCUIT . . . . ..

134

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

134

CAN SYSTEM (TYPE 9)

COMPONENT DIAGNOSIS . . . . . ...

136

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

136

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

136

ECM BRANCH LINE CIRCUIT . . . . . .

137

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

137

A-BAG BRANCH LINE CIRCUIT . . . . .

138

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

138

BCM BRANCH LINE CIRCUIT . . . . . .

139

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

139

DLC BRANCH LINE CIRCUIT . . . . . . .

140

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

140

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

141

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

141

STRG BRANCH LINE CIRCUIT . . . . . ..

142

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

142

ABS BRANCH LINE CIRCUIT . . . . . . .

143

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

143

IPDM-E BRANCH LINE CIRCUIT . . . . .

144

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

144

CAN COMMUNICATION CIRCUIT . . . . ..

145

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

145

CAN SYSTEM (TYPE 10)

COMPONENT DIAGNOSIS . . . . . ..

147

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

147

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

147

ECM BRANCH LINE CIRCUIT . . . . . . .

148

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

148

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

149

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

149

AV BRANCH LINE CIRCUIT . . . . . . .

150

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

150

BCM 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 11)

COMPONENT DIAGNOSIS . . . . . ..

159

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

159

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

159

ECM BRANCH LINE CIRCUIT . . . . . . .

160

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

160

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

161

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

161

BCM BRANCH LINE CIRCUIT . . . . . . .

162

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

162