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ELECTRICAL & POWER CONTROL
A
SECTION LAN LAN SYSTEM
B
C
D
E
CONTENTS
CAN FUNDAMENTAL PRECAUTIONS ................................................. 22 F
Precaution for Supplemental Restraint System
PRECAUTION .............................................. 6
. (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ................................................................22
. G
PRECAUTIONS .................................................. 6
. Precaution for Battery Service ................................22 .
Precautions for Trouble Diagnosis ........................... 6
. Precautions for Trouble Diagnosis .........................22 .
Precautions for Harness Repair ............................... 6
. Precautions for Harness Repair .............................22 . H
FUNCTION DIAGNOSIS .............................. 7
. BASIC INSPECTION .................................. 24
.
CAN COMMUNICATION SYSTEM .................... 7
. DIAGNOSIS AND REPAIR WORKFLOW ........ 24 I
System Description .................................................. 7
. Interview Sheet .......................................................24
.
System Diagram ....................................................... 7
.
CAN Communication Control Circuit ........................ 8 . FUNCTION DIAGNOSIS ............................. 25
.
J
DIAG ON CAN .................................................... 9
. CAN COMMUNICATION SYSTEM ................... 25
Description ............................................................... 9
. CAN System Specification Chart ............................25
.
System Diagram ....................................................... 9
. CAN Communication Signal Chart .........................25
. K
TROUBLE DIAGNOSIS ....................................10
. COMPONENT DIAGNOSIS ........................ 29
.
Condition of Error Detection ................................... 10.
Symptom When Error Occurs in CAN Communi- CAN COMMUNICATION SYSTEM ................... 29 L
cation System ......................................................... 10
. Component Parts Location .....................................29
.
CAN Diagnosis with CONSULT-III ......................... 13 . Wiring Diagram - CAN SYSTEM - ..........................30.
Self-Diagnosis ........................................................ 13
. LAN
CAN Diagnostic Support Monitor ........................... 13 . MALFUNCTION AREA CHART ........................ 36
How to Use CAN Communication Signal Chart ..... 15 . Main Line ................................................................36
.
Branch Line ............................................................36
.
BASIC INSPECTION .................................. 16
. Short Circuit ............................................................36
. N
DIAGNOSIS AND REPAIR WORKFLOW ........16
. MAIN LINE BETWEEN BCM AND DLC CIR-
Trouble Diagnosis Flow Chart ................................ 16
. CUIT .................................................................. 37 O
Trouble Diagnosis Procedure ................................. 16
. Diagnosis Procedure ..............................................37
.
CAN
MAIN LINE BETWEEN DLC AND ADP CIR-
HOW TO USE THIS MANUAL .................... 21
. CUIT .................................................................. 38 P
Diagnosis Procedure ..............................................38
.
HOW TO USE THIS SECTION ..........................21
.
Caution ................................................................... 21
. MAIN LINE BETWEEN ADP AND ABS CIR-
Abbreviation List ..................................................... 21
. CUIT .................................................................. 39
Diagnosis Procedure ..............................................39
.
PRECAUTION ............................................. 22
.
ECM BRANCH LINE CIRCUIT ......................... 41
Revision: 2007 June LAN-1 G37 Coupe
Diagnosis Procedure ............................................. 41
. Diagnosis Procedure .............................................. 62
.
A-BAG BRANCH LINE CIRCUIT ..................... 42
. A-BAG BRANCH LINE CIRCUIT ..................... 63
.
Diagnosis Procedure ............................................. 42
. Diagnosis Procedure .............................................. 63
.
AV BRANCH LINE CIRCUIT ............................ 43
. AV BRANCH LINE CIRCUIT ............................ 64
.
Diagnosis Procedure ............................................. 43
. Diagnosis Procedure .............................................. 64
.
BCM BRANCH LINE CIRCUIT ......................... 44
. BCM BRANCH LINE CIRCUIT ......................... 65
.
Diagnosis Procedure ............................................. 44
. Diagnosis Procedure .............................................. 65
.
PSB BRANCH LINE CIRCUIT .......................... 45
. DLC BRANCH LINE CIRCUIT ......................... 66
.
Diagnosis Procedure ............................................. 45
. Diagnosis Procedure .............................................. 66
.
TCM BRANCH LINE CIRCUIT ......................... 46
. M&A BRANCH LINE CIRCUIT ......................... 67
.
Diagnosis Procedure ............................................. 46
. Diagnosis Procedure .............................................. 67
.
AFS BRANCH LINE CIRCUIT .......................... 47
. STRG BRANCH LINE CIRCUIT ....................... 68
.
Diagnosis Procedure ............................................. 47
. Diagnosis Procedure .............................................. 68
.
DLC BRANCH LINE CIRCUIT .......................... 48
. ADP BRANCH LINE CIRCUIT ......................... 69
.
Diagnosis Procedure ............................................. 48
. Diagnosis Procedure .............................................. 69
.
M&A BRANCH LINE CIRCUIT ......................... 49
. ABS BRANCH LINE CIRCUIT ......................... 70
.
Diagnosis Procedure ............................................. 49
. Diagnosis Procedure .............................................. 70
.
STRG BRANCH LINE CIRCUIT ....................... 50
. IPDM-E BRANCH LINE CIRCUIT .................... 71
.
Diagnosis Procedure ............................................. 50
. Diagnosis Procedure .............................................. 71
.
ADP BRANCH LINE CIRCUIT ......................... 51
. CAN COMMUNICATION CIRCUIT .................. 72
.
Diagnosis Procedure ............................................. 51
. Diagnosis Procedure .............................................. 72
.
CAN SYSTEM (TYPE 2)
RAS BRANCH LINE CIRCUIT ......................... 52
.
Diagnosis Procedure ............................................. 52
. COMPONENT DIAGNOSIS ....................... 74
ABS BRANCH LINE CIRCUIT ......................... 53
. MAIN LINE BETWEEN BCM AND DLC CIR-
Diagnosis Procedure ............................................. 53
. CUIT .................................................................. 74
.
ICC BRANCH LINE CIRCUIT ........................... 54
. Diagnosis Procedure .............................................. 74
.
Diagnosis Procedure ............................................. 54
. MAIN LINE BETWEEN DLC AND ADP CIR-
IPDM-E BRANCH LINE CIRCUIT .................... 55
. CUIT .................................................................. 75
.
Diagnosis Procedure ............................................. 55
. Diagnosis Procedure .............................................. 75
.
CAN COMMUNICATION CIRCUIT ................... 56
. MAIN LINE BETWEEN ADP AND ABS CIR-
Diagnosis Procedure ............................................. 56
. CUIT .................................................................. 76
.
CAN SYSTEM (TYPE 1) Diagnosis Procedure .............................................. 76
.
ECM BRANCH LINE CIRCUIT ......................... 78
.
COMPONENT DIAGNOSIS ....................... 58
.
Diagnosis Procedure .............................................. 78
.
MAIN LINE BETWEEN BCM AND DLC CIR-
A-BAG BRANCH LINE CIRCUIT ..................... 79
.
CUIT .................................................................. 58
. Diagnosis Procedure .............................................. 79
.
Diagnosis Procedure ............................................. 58
.
AV BRANCH LINE CIRCUIT ............................ 80
.
MAIN LINE BETWEEN DLC AND ADP CIR- Diagnosis Procedure .............................................. 80
.
CUIT .................................................................. 59
.
Diagnosis Procedure ............................................. 59
. BCM BRANCH LINE CIRCUIT ......................... 81
.
Diagnosis Procedure .............................................. 81
.
MAIN LINE BETWEEN ADP AND ABS CIR-
CUIT .................................................................. 60
. DLC BRANCH LINE CIRCUIT ......................... 82
.
Diagnosis Procedure ............................................. 60
. Diagnosis Procedure .............................................. 82
.
ECM BRANCH LINE CIRCUIT ......................... 62
. M&A BRANCH LINE CIRCUIT ......................... 83
.
Revision: 2007 June LAN-2 G37 Coupe
Diagnosis Procedure .............................................. 83
. Diagnosis Procedure ............................................ 104
.
A
STRG BRANCH LINE CIRCUIT ........................84
. ABS BRANCH LINE CIRCUIT ........................ 105
Diagnosis Procedure .............................................. 84
. Diagnosis Procedure ............................................ 105
.
ADP BRANCH LINE CIRCUIT ..........................85
. ICC BRANCH LINE CIRCUIT ......................... 106 B
Diagnosis Procedure .............................................. 85
. Diagnosis Procedure ............................................ 106
.
RAS BRANCH LINE CIRCUIT ..........................86
. IPDM-E BRANCH LINE CIRCUIT ................... 107
C
Diagnosis Procedure .............................................. 86
. Diagnosis Procedure ............................................ 107
.
ABS BRANCH LINE CIRCUIT ..........................87
. CAN COMMUNICATION CIRCUIT ................. 108
Diagnosis Procedure .............................................. 87
. Diagnosis Procedure ............................................ 108
. D
CAN SYSTEM (TYPE 4)
IPDM-E BRANCH LINE CIRCUIT .....................88
.
Diagnosis Procedure .............................................. 88
. COMPONENT DIAGNOSIS ...................... 110
. E
CAN COMMUNICATION CIRCUIT ...................89
. MAIN LINE BETWEEN BCM AND DLC CIR-
Diagnosis Procedure .............................................. 89
. CUIT ................................................................ 110
CAN SYSTEM (TYPE 3) Diagnosis Procedure ............................................ 110
. F
COMPONENT DIAGNOSIS ........................ 91
. MAIN LINE BETWEEN DLC AND ADP CIR-
CUIT ................................................................ 111 G
MAIN LINE BETWEEN BCM AND DLC CIR- Diagnosis Procedure ............................................ 111
.
CUIT ...................................................................91
.
Diagnosis Procedure .............................................. 91
. MAIN LINE BETWEEN ADP AND ABS CIR-
CUIT ................................................................ 112 H
MAIN LINE BETWEEN DLC AND ADP CIR- Diagnosis Procedure ............................................ 112
.
CUIT ...................................................................92
.
Diagnosis Procedure .............................................. 92
. ECM BRANCH LINE CIRCUIT ....................... 114 I
Diagnosis Procedure ............................................ 114
.
MAIN LINE BETWEEN ADP AND ABS CIR-
CUIT ...................................................................93
. A-BAG BRANCH LINE CIRCUIT .................... 115
Diagnosis Procedure .............................................. 93
. Diagnosis Procedure ............................................ 115
. J
ECM BRANCH LINE CIRCUIT ..........................95
. AV BRANCH LINE CIRCUIT .......................... 116
Diagnosis Procedure .............................................. 95
. Diagnosis Procedure ............................................ 116
. K
A-BAG BRANCH LINE CIRCUIT ......................96
. BCM BRANCH LINE CIRCUIT ....................... 117
Diagnosis Procedure .............................................. 96
. Diagnosis Procedure ............................................ 117
.
L
AV BRANCH LINE CIRCUIT .............................97
. PSB BRANCH LINE CIRCUIT ........................ 118
Diagnosis Procedure .............................................. 97
. Diagnosis Procedure ............................................ 118
.
BCM BRANCH LINE CIRCUIT .........................98
. AFS BRANCH LINE CIRCUIT ........................ 119 LAN
Diagnosis Procedure .............................................. 98
. Diagnosis Procedure ............................................ 119
.
PSB BRANCH LINE CIRCUIT ..........................99
. DLC BRANCH LINE CIRCUIT ........................ 120 N
Diagnosis Procedure .............................................. 99
. Diagnosis Procedure ............................................ 120
.
AFS BRANCH LINE CIRCUIT ........................ 100
. M&A BRANCH LINE CIRCUIT ....................... 121
Diagnosis Procedure ............................................ 100
. Diagnosis Procedure ............................................ 121
. O
DLC BRANCH LINE CIRCUIT ........................ 101
. STRG BRANCH LINE CIRCUIT ..................... 122
Diagnosis Procedure ............................................ 101
. Diagnosis Procedure ............................................ 122
.
P
M&A BRANCH LINE CIRCUIT ....................... 102
. ADP BRANCH LINE CIRCUIT ........................ 123
Diagnosis Procedure ............................................ 102
. Diagnosis Procedure ............................................ 123
.
STRG BRANCH LINE CIRCUIT ...................... 103
. RAS BRANCH LINE CIRCUIT ........................ 124
Diagnosis Procedure ............................................ 103
. Diagnosis Procedure ............................................ 124
.
ADP BRANCH LINE CIRCUIT ........................ 104
. ABS BRANCH LINE CIRCUIT ........................ 125
Revision: 2007 June LAN-3 G37 Coupe
Diagnosis Procedure ............................................125
. COMPONENT DIAGNOSIS ...................... 147
ICC BRANCH LINE CIRCUIT ......................... 126
. MAIN LINE BETWEEN BCM AND DLC CIR-
Diagnosis Procedure ............................................126
. CUIT ................................................................. 147
.
Diagnosis Procedure ............................................ 147
.
IPDM-E BRANCH LINE CIRCUIT .................. 127
.
Diagnosis Procedure ............................................127
. MAIN LINE BETWEEN DLC AND ADP CIR-
CAN COMMUNICATION CIRCUIT ................. 128
. CUIT ................................................................. 148
.
Diagnosis Procedure ............................................ 148
.
Diagnosis Procedure ............................................128
.
CAN SYSTEM (TYPE 5) MAIN LINE BETWEEN ADP AND ABS CIR-
CUIT ................................................................. 149
.
COMPONENT DIAGNOSIS ...................... 130
. Diagnosis Procedure ............................................ 149
.
MAIN LINE BETWEEN BCM AND DLC CIR- ECM BRANCH LINE CIRCUIT ........................ 151
.
CUIT ................................................................ 130
. Diagnosis Procedure ............................................ 151
.
Diagnosis Procedure ............................................130
.
A-BAG BRANCH LINE CIRCUIT .................... 152
.
MAIN LINE BETWEEN DLC AND ADP CIR- Diagnosis Procedure ............................................ 152
.
CUIT ................................................................ 131
.
Diagnosis Procedure ............................................131
. AV BRANCH LINE CIRCUIT ........................... 153
.
Diagnosis Procedure ............................................ 153
.
MAIN LINE BETWEEN ADP AND ABS CIR-
CUIT ................................................................ 132
. BCM BRANCH LINE CIRCUIT ........................ 154
.
Diagnosis Procedure ............................................132
. Diagnosis Procedure ............................................ 154
.
ECM BRANCH LINE CIRCUIT ....................... 134
. TCM BRANCH LINE CIRCUIT ........................ 155
.
Diagnosis Procedure ............................................134
. Diagnosis Procedure ............................................ 155
.
A-BAG BRANCH LINE CIRCUIT ................... 135
. DLC BRANCH LINE CIRCUIT ........................ 156
.
Diagnosis Procedure ............................................135
. Diagnosis Procedure ............................................ 156
.
AV BRANCH LINE CIRCUIT .......................... 136
. M&A BRANCH LINE CIRCUIT ........................ 157
.
Diagnosis Procedure ............................................136
. Diagnosis Procedure ............................................ 157
.
BCM BRANCH LINE CIRCUIT ....................... 137
. STRG BRANCH LINE CIRCUIT ...................... 158
.
Diagnosis Procedure ............................................137
. Diagnosis Procedure ............................................ 158
.
TCM BRANCH LINE CIRCUIT ....................... 138
. ADP BRANCH LINE CIRCUIT ........................ 159
.
Diagnosis Procedure ............................................138
. Diagnosis Procedure ............................................ 159
.
DLC BRANCH LINE CIRCUIT ........................ 139
. RAS BRANCH LINE CIRCUIT ........................ 160
.
Diagnosis Procedure ............................................139
. Diagnosis Procedure ............................................ 160
.
M&A BRANCH LINE CIRCUIT ....................... 140
. ABS BRANCH LINE CIRCUIT ........................ 161
.
Diagnosis Procedure ............................................140
. Diagnosis Procedure ............................................ 161
.
STRG BRANCH LINE CIRCUIT ..................... 141
. IPDM-E BRANCH LINE CIRCUIT ................... 162
.
Diagnosis Procedure ............................................141
. Diagnosis Procedure ............................................ 162
.
ADP BRANCH LINE CIRCUIT ....................... 142
. CAN COMMUNICATION CIRCUIT ................. 163
.
Diagnosis Procedure ............................................142
. Diagnosis Procedure ............................................ 163
.
CAN SYSTEM (TYPE 7)
ABS BRANCH LINE CIRCUIT ....................... 143
.
Diagnosis Procedure ............................................143
. COMPONENT DIAGNOSIS ...................... 165
IPDM-E BRANCH LINE CIRCUIT .................. 144
. MAIN LINE BETWEEN BCM AND DLC CIR-
Diagnosis Procedure ............................................144
. CUIT ................................................................. 165
.
Diagnosis Procedure ............................................ 165
.
CAN COMMUNICATION CIRCUIT ................. 145
.
Diagnosis Procedure ............................................145
. MAIN LINE BETWEEN DLC AND ADP CIR-
CAN SYSTEM (TYPE 6) CUIT ................................................................. 166
.
Diagnosis Procedure ............................................ 166
.
Revision: 2007 June LAN-4 G37 Coupe
MAIN LINE BETWEEN ADP AND ABS CIR- MAIN LINE BETWEEN DLC AND ADP CIR-
CUIT ................................................................. 167
. CUIT ................................................................ 186 A
Diagnosis Procedure ............................................ 167
. Diagnosis Procedure ............................................ 186
.
ECM BRANCH LINE CIRCUIT ........................ 169
. MAIN LINE BETWEEN ADP AND ABS CIR-
B
Diagnosis Procedure ............................................ 169
. CUIT ................................................................ 187
Diagnosis Procedure ............................................ 187
.
A-BAG BRANCH LINE CIRCUIT .................... 170
.
Diagnosis Procedure ............................................ 170
. ECM BRANCH LINE CIRCUIT ....................... 189 C
Diagnosis Procedure ............................................ 189
.
AV BRANCH LINE CIRCUIT ........................... 171
.
Diagnosis Procedure ............................................ 171
. A-BAG BRANCH LINE CIRCUIT .................... 190
D
Diagnosis Procedure ............................................ 190
.
BCM BRANCH LINE CIRCUIT ....................... 172
.
Diagnosis Procedure ............................................ 172
. AV BRANCH LINE CIRCUIT .......................... 191
Diagnosis Procedure ............................................ 191
. E
PSB BRANCH LINE CIRCUIT ........................ 173
.
Diagnosis Procedure ............................................ 173
. BCM BRANCH LINE CIRCUIT ....................... 192
Diagnosis Procedure ............................................ 192
.
TCM BRANCH LINE CIRCUIT ........................ 174
. F
Diagnosis Procedure ............................................ 174
. PSB BRANCH LINE CIRCUIT ........................ 193
Diagnosis Procedure ............................................ 193
.
AFS BRANCH LINE CIRCUIT ........................ 175
.
G
Diagnosis Procedure ............................................ 175
. TCM BRANCH LINE CIRCUIT ........................ 194
Diagnosis Procedure ............................................ 194
.
DLC BRANCH LINE CIRCUIT ........................ 176
.
Diagnosis Procedure ............................................ 176
. AFS BRANCH LINE CIRCUIT ........................ 195 H
Diagnosis Procedure ............................................ 195
.
M&A BRANCH LINE CIRCUIT ....................... 177
.
Diagnosis Procedure ............................................ 177
. DLC BRANCH LINE CIRCUIT ........................ 196
I
Diagnosis Procedure ............................................ 196
.
STRG BRANCH LINE CIRCUIT ...................... 178
.
Diagnosis Procedure ............................................ 178
. M&A BRANCH LINE CIRCUIT ....................... 197
Diagnosis Procedure ............................................ 197
. J
ADP BRANCH LINE CIRCUIT ........................ 179
.
Diagnosis Procedure ............................................ 179
. STRG BRANCH LINE CIRCUIT ..................... 198
Diagnosis Procedure ............................................ 198
.
ABS BRANCH LINE CIRCUIT ........................ 180
. K
Diagnosis Procedure ............................................ 180
. ADP BRANCH LINE CIRCUIT ........................ 199
Diagnosis Procedure ............................................ 199
.
ICC BRANCH LINE CIRCUIT ......................... 181
.
L
Diagnosis Procedure ............................................ 181
. RAS BRANCH LINE CIRCUIT ........................ 200
Diagnosis Procedure ............................................ 200
.
IPDM-E BRANCH LINE CIRCUIT ................... 182
.
Diagnosis Procedure ............................................ 182
. ABS BRANCH LINE CIRCUIT ........................ 201 LAN
Diagnosis Procedure ............................................ 201
.
CAN COMMUNICATION CIRCUIT ................. 183
.
Diagnosis Procedure ............................................ 183
. ICC BRANCH LINE CIRCUIT ......................... 202
N
CAN SYSTEM (TYPE 8) Diagnosis Procedure ............................................ 202
.
COMPONENT DIAGNOSIS ...................... 185
. IPDM-E BRANCH LINE CIRCUIT ................... 203
Diagnosis Procedure ............................................ 203
. O
MAIN LINE BETWEEN BCM AND DLC CIR-
CUIT ................................................................. 185
. CAN COMMUNICATION CIRCUIT ................. 204
Diagnosis Procedure ............................................ 185
. Diagnosis Procedure ............................................ 204
.
P
Revision: 2007 June LAN-5 G37 Coupe
PRECAUTIONS
< PRECAUTION > [CAN FUNDAMENTAL]
PRECAUTION
PRECAUTIONS
Precautions for Trouble Diagnosis INFOID:0000000001665994
CAUTION:
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