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LAN SYSTEM
K ELECTRICAL
A
SECTION LAN LAN SYSTEM
B
C
D
E
CONTENTS
CAN IPDM E/R Circuit Check ........................................ 46 . F
CAN Communication Circuit Check ....................... 47 .
PRECAUTIONS ......................................................... 5 . IPDM E/R Ignition Relay Circuit Check ................. 50 .
Precautions for Supplemental Restraint System Component Inspection ........................................... 50 . G
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
SIONER" ................................................................. 5
. TION ................................................................... 50
.
Precautions When Using CONSULT-II .................... 5 . CAN SYSTEM (TYPE 2) .......................................... 51 .
CHECK POINTS FOR USING CONSULT-II ........ 5 . H
System Description ................................................ 51 .
Precautions For Trouble Diagnosis ......................... 5 . Component Parts and Harness Connector Location 51 ...
CAN SYSTEM ...................................................... 5 . Wiring Diagram -- CAN -- .................................... 52 .
Precautions For Harness Repair ............................. 6 . Work Flow .............................................................. 54
. I
CAN SYSTEM ...................................................... 6 . CHECK SHEET .................................................. 55 .
Maintenance Information ......................................... 6 . CHECK SHEET RESULTS (EXAMPLE) ............ 57 .
RHD MODELS ..................................................... 6 . Circuit Check Between Data Link Connector and J
LHD MODELS ...................................................... 6 . ABS Actuator and Electric Unit (Control Unit) ....... 67 .
CAN COMMUNICATION ........................................... 7 . ECM Circuit Check ................................................ 68 .
System Description ................................................. 7 . Data Link Connector Circuit Check ....................... 69 .
CAN Communication Unit ....................................... 7 . LAN
Combination Meter Circuit Check .......................... 70 .
TYPE 1/TYPE 2 ................................................... 8 . EPS Control Unit Circuit Check ............................. 71 .
TYPE 3/TYPE 4/TYPE 5/TYPE 6 ........................11 . BCM Circuit Check ................................................ 72 .
TYPE 7/TYPE 8 ................................................. 13 . ABS Actuator and Electric Unit (Control Unit) Circuit L
TYPE 9/TYPE 10/TYPE 11/TYPE 12 ................. 16 . Check .................................................................... 73
.
TYPE 13/TYPE 14 ............................................. 18 . TCM Circuit Check ................................................ 74 .
CAN SYSTEM (TYPE 1) .......................................... 20 . IPDM E/R Circuit Check ........................................ 75 . M
System Description ............................................... 20 . CAN Communication Circuit Check ....................... 76 .
Component Parts and Harness Connector Location 20 ... IPDM E/R Ignition Relay Circuit Check ................. 79 .
Wiring Diagram -- CAN -- .................................... 21 . Component Inspection ........................................... 79 .
Work Flow ............................................................. 23
. ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
CHECK SHEET .................................................. 24 . TION ................................................................... 79
.
CHECK SHEET RESULTS (EXAMPLE) ............ 26 . CAN SYSTEM (TYPE 3) .......................................... 80 .
Circuit Check Between Data Link Connector and System Description ................................................ 80 .
ABS Actuator and Electric Unit (Control Unit) ....... 37 . Component Parts and Harness Connector Location 80 ...
ECM Circuit Check ................................................ 38 . Wiring Diagram -- CAN -- .................................... 81 .
Data Link Connector Circuit Check ....................... 39 . Work Flow .............................................................. 83
.
Combination Meter Circuit Check ......................... 40 . CHECK SHEET .................................................. 84 .
Intelligent Key Unit Circuit Check .......................... 41 . CHECK SHEET RESULTS (EXAMPLE) ............ 86 .
EPS Control Unit Circuit Check ............................. 42 . Circuit Check Between Data Link Connector and
BCM Circuit Check ................................................ 43 . ABS Actuator and Electric Unit (Control Unit) ....... 96 .
ABS Actuator and Electric Unit (Control Unit) Circuit ECM Circuit Check ................................................ 97 .
Check .................................................................... 44
. Data Link Connector Circuit Check ....................... 98 .
TCM Circuit Check ................................................ 45 .
LAN-1
Combination Meter Circuit Check .......................... 99 . ComponentParts and Harness Connector Location .165
Intelligent Key Unit Circuit Check ........................ 100 . Wiring Diagram -- CAN -- .................................. 166 .
EPS Control Unit Circuit Check ........................... 101 . Work Flow ............................................................ 168
.
BCM Circuit Check .............................................. 102 . CHECK SHEET ................................................ 169 .
ABS Actuator and Electric Unit (Control Unit) Circuit CHECK SHEET RESULTS (EXAMPLE) ........... 171 .
Check .................................................................. 103
. Circuit Check Between Data Link Connector and
IPDM E/R Circuit Check ...................................... 104 . ABS Actuator and Electric Unit (Control Unit) ...... 180 .
CAN Communication Circuit Check ..................... 105 . ECM Circuit Check ............................................... 181 .
IPDM E/R Ignition Relay Circuit Check ................ 108 . Data Link Connector Circuit Check ...................... 182 .
Component Inspection ......................................... 108 . Combination Meter Circuit Check ........................ 183 .
ECM/IPDM E/R INTERNAL CIRCUIT INSPEC- EPS Control Unit Circuit Check ........................... 184 .
TION ................................................................. 108
. BCM Circuit Check ............................................... 185 .
CAN SYSTEM (TYPE 4) ........................................ 109 . ABS Actuator and Electric Unit (Control Unit) Circuit
System Description .............................................. 109 . Check ................................................................... 186
.
ComponentParts and Harness Connector Location 109 . IPDM E/R Circuit Check ....................................... 187 .
Wiring Diagram -- CAN -- .................................. 110 . CAN Communication Circuit Check ..................... 188 .
Work Flow ............................................................ 112
. IPDM E/R Ignition Relay Circuit Check ................ 191 .
CHECK SHEET ................................................ 113 . Component Inspection .........................................191 .
CHECK SHEET RESULTS (EXAMPLE) .......... 115 . ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
Circuit Check Between Data Link Connector and TION ................................................................. 191
.
ABS Actuator and Electric Unit (Control Unit) ...... 124 . CAN SYSTEM (TYPE 7) ......................................... 192 .
ECM Circuit Check .............................................. 125 . System Description .............................................. 192 .
Data Link Connector Circuit Check ...................... 126 . ComponentParts and Harness Connector Location .192
Combination Meter Circuit Check ........................ 127 . Wiring Diagram -- CAN -- .................................. 193 .
EPS Control Unit Circuit Check ........................... 128 . Work Flow ............................................................ 195
.
BCM Circuit Check .............................................. 129 . CHECK SHEET ................................................ 196 .
ABS Actuator and Electric Unit (Control Unit) Circuit CHECK SHEET RESULTS (EXAMPLE) ........... 198 .
Check .................................................................. 130
. Circuit Check Between Data Link Connector and
IPDM E/R Circuit Check ...................................... 131 . ABS Actuator and Electric Unit (Control Unit) ...... 209 .
CAN Communication Circuit Check ..................... 132 . ECM Circuit Check ............................................... 210 .
IPDM E/R Ignition Relay Circuit Check ................ 135 . Data Link Connector Circuit Check ...................... 211 .
Component Inspection ......................................... 135 . Combination Meter Circuit Check ........................ 212 .
ECM/IPDM E/R INTERNAL CIRCUIT INSPEC- Intelligent Key Unit Circuit Check ......................... 213 .
TION ................................................................. 135
. EPS Control Unit Circuit Check ........................... 214 .
CAN SYSTEM (TYPE 5) ........................................ 136 . BCM Circuit Check ............................................... 215 .
System Description .............................................. 136 . ABS Actuator and Electric Unit (Control Unit) Circuit
ComponentParts and Harness Connector Location 136 . Check ................................................................... 216
.
Wiring Diagram -- CAN -- .................................. 137 . TCM Circuit Check ............................................... 217 .
Work Flow ............................................................ 139
. IPDM E/R Circuit Check ....................................... 218 .
CHECK SHEET ................................................ 140 . CAN Communication Circuit Check ..................... 219 .
CHECK SHEET RESULTS (EXAMPLE) .......... 142 . IPDM E/R Ignition Relay Circuit Check ................ 222 .
Circuit Check Between Data Link Connector and Component Inspection .........................................222 .
ABS Actuator and Electric Unit (Control Unit) ...... 152 . ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
ECM Circuit Check .............................................. 153 . TION ................................................................. 222
.
Data Link Connector Circuit Check ...................... 154 . CAN SYSTEM (TYPE 8) ......................................... 223 .
Combination Meter Circuit Check ........................ 155 . System Description .............................................. 223 .
Intelligent Key Unit Circuit Check ........................ 156 . ComponentParts and Harness Connector Location .223
EPS Control Unit Circuit Check ........................... 157 . Wiring Diagram -- CAN -- .................................. 224 .
BCM Circuit Check .............................................. 158 . Work Flow ............................................................ 226
.
ABS Actuator and Electric Unit (Control Unit) Circuit CHECK SHEET ................................................ 227 .
Check .................................................................. 159
. CHECK SHEET RESULTS (EXAMPLE) ........... 229 .
IPDM E/R Circuit Check ...................................... 160 . Circuit Check Between Data Link Connector and
CAN Communication Circuit Check ..................... 161 . ABS Actuator and Electric Unit (Control Unit) ...... 239 .
IPDM E/R Ignition Relay Circuit Check ................ 164 . ECM Circuit Check ............................................... 240 .
Component Inspection ......................................... 164 . Data Link Connector Circuit Check ...................... 241 .
ECM/IPDM E/R INTERNAL CIRCUIT INSPEC- Combination Meter Circuit Check ........................ 242 .
TION ................................................................. 164
. EPS Control Unit Circuit Check ........................... 243 .
CAN SYSTEM (TYPE 6) ........................................ 165 . BCM Circuit Check ............................................... 244 .
System Description .............................................. 165 . ABS Actuator and Electric Unit (Control Unit) Circuit
LAN-2
Check .................................................................. 245
. CHECK SHEET RESULTS (EXAMPLE) .......... 314 .
TCM Circuit Check .............................................. 246 . Circuit Check Between Data Link Connector and A
IPDM E/R Circuit Check ...................................... 247 . ABS Actuator and Electric Unit (Control Unit) ..... 324 .
CAN Communication Circuit Check .................... 248 . ECM Circuit Check .............................................. 325 .
IPDM E/R Ignition Relay Circuit Check ............... 251 . Data Link Connector Circuit Check ..................... 326 . B
Component Inspection ........................................ 251 . Combination Meter Circuit Check ........................ 327 .
ECM/IPDM E/R INTERNAL CIRCUIT INSPEC- Intelligent Key Unit Circuit Check ........................ 328 .
TION ................................................................. 251
. EPS Control Unit Circuit Check ........................... 329 .
CAN SYSTEM (TYPE 9) ........................................ 252 . BCM Circuit Check .............................................. 330 . C
System Description ............................................. 252 . ABS Actuator and Electric Unit (Control Unit) Circuit
Component Parts and Harness Connector Location 252 . Check .................................................................. 331
.
Wiring Diagram -- CAN -- .................................. 253 . IPDM E/R Circuit Check ...................................... 332 . D
Work Flow ........................................................... 255
. CAN Communication Circuit Check ..................... 333 .
CHECK SHEET ................................................ 256 . IPDM E/R Ignition Relay Circuit Check ............... 336 .
CHECK SHEET RESULTS (EXAMPLE) .......... 258 . Component Inspection ......................................... 336 . E
Circuit Check Between Data Link Connector and ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
ABS Actuator and Electric Unit (Control Unit) ..... 268 . TION ................................................................. 336
.
ECM Circuit Check .............................................. 269 . CAN SYSTEM (TYPE 12) ...................................... 337 .
Data Link Connector Circuit Check ..................... 270 . System Description .............................................. 337 . F
Combination Meter Circuit Check ....................... 271 . Component Parts and Harness Connector Location 337 .
Intelligent Key Unit Circuit Check ........................ 272 . Wiring Diagram -- CAN -- .................................. 338 .
EPS Control Unit Circuit Check ........................... 273 . Work Flow ............................................................ 340
. G
BCM Circuit Check .............................................. 274 . CHECK SHEET ................................................ 341 .
ABS Actuator and Electric Unit (Control Unit) Circuit CHECK SHEET RESULTS (EXAMPLE) .......... 343 .
Check .................................................................. 275
. Circuit Check Between Data Link Connector and H
IPDM E/R Circuit Check ...................................... 276 . ABS Actuator and Electric Unit (Control Unit) ..... 352 .
CAN Communication Circuit Check .................... 277 . ECM Circuit Check .............................................. 353 .
IPDM E/R Ignition Relay Circuit Check ............... 280 . Data Link Connector Circuit Check ..................... 354 .
I
Component Inspection ........................................ 280 . Combination Meter Circuit Check ........................ 355 .
ECM/IPDM E/R INTERNAL CIRCUIT INSPEC- EPS Control Unit Circuit Check ........................... 356 .
TION ................................................................. 280
. BCM Circuit Check .............................................. 357 .
CAN SYSTEM (TYPE 10) ...................................... 281 . ABS Actuator and Electric Unit (Control Unit) Circuit J
System Description ............................................. 281 . Check .................................................................. 358
.
Component Parts and Harness Connector Location 281 . IPDM E/R Circuit Check ...................................... 359 .
Wiring Diagram -- CAN -- .................................. 282 . CAN Communication Circuit Check ..................... 360 . LAN
Work Flow ........................................................... 284
. IPDM E/R Ignition Relay Circuit Check ............... 363 .
CHECK SHEET ................................................ 285 . Component Inspection ......................................... 363 .
CHECK SHEET RESULTS (EXAMPLE) .......... 287 . ECM/IPDM E/R INTERNAL CIRCUIT INSPEC- L
Circuit Check Between Data Link Connector and TION ................................................................. 363
.
ABS Actuator and Electric Unit (Control Unit) ..... 296 . CAN SYSTEM (TYPE 13) ...................................... 364 .
ECM Circuit Check .............................................. 297 . System Description .............................................. 364 .
Data Link Connector Circuit Check ..................... 298 . Component Parts and Harness Connector Location 364 . M
Combination Meter Circuit Check ....................... 299 . Wiring Diagram -- CAN -- .................................. 365 .
EPS Control Unit Circuit Check ........................... 300 . Work Flow ............................................................ 367
.
BCM Circuit Check .............................................. 301 . CHECK SHEET ................................................ 368 .
ABS Actuator and Electric Unit (Control Unit) Circuit CHECK SHEET RESULTS (EXAMPLE) .......... 370 .
Check .................................................................. 302
. Circuit Check Between Data Link Connector and
IPDM E/R Circuit Check ...................................... 303 . ABS Actuator and Electric Unit (Control Unit) ..... 380 .
CAN Communication Circuit Check .................... 304 . ECM Circuit Check .............................................. 381 .
IPDM E/R Ignition Relay Circuit Check ............... 307 . Data Link Connector Circuit Check ..................... 382 .
Component Inspection ........................................ 307 . Combination Meter Circuit Check ........................ 383 .
ECM/IPDM E/R INTERNAL CIRCUIT INSPEC- Intelligent Key Unit Circuit Check ........................ 384 .
TION ................................................................. 307
. EPS Control Unit Circuit Check ........................... 385 .
CAN SYSTEM (TYPE 11) ...................................... 308 . BCM Circuit Check .............................................. 386 .
System Description ............................................. 308 . ABS Actuator and Electric Unit (Control Unit) Circuit
Component Parts and Harness Connector Location 308 . Check .................................................................. 387
.
Wiring Diagram -- CAN -- .................................. 309 . IPDM E/R Circuit Check ...................................... 388 .
Work Flow ............................................................311
. CAN Communication Circuit Check ..................... 389 .
CHECK SHEET ................................................ 312 .
LAN-3
IPDM E/R Ignition Relay Circuit Check ................ 392 . ECM Circuit Check ............................................... 409 .
Component Inspection ......................................... 392 . Data Link Connector Circuit Check ...................... 410 .
ECM/IPDM E/R INTERNAL CIRCUIT INSPEC- Combination Meter Circuit Check ........................ 411 .
TION ................................................................. 392
. EPS Control Unit Circuit Check ........................... 412 .
CAN SYSTEM (TYPE 14) ...................................... 393 . BCM Circuit Check ............................................... 413 .
System Description .............................................. 393 . ABS Actuator and Electric Unit (Control Unit) Circuit
ComponentParts and Harness Connector Location 393 . Check ................................................................... 414
.
Wiring Diagram -- CAN -- .................................. 394 . IPDM E/R Circuit Check ....................................... 415 .
Work Flow ............................................................ 396
. CAN Communication Circuit Check ..................... 416 .
CHECK SHEET ................................................ 397 . IPDM E/R Ignition Relay Circuit Check ................ 419 .
CHECK SHEET RESULTS (EXAMPLE) .......... 399 . Component Inspection .........................................419 .
Circuit Check Between Data Link Connector and ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
ABS Actuator and Electric Unit (Control Unit) ...... 408 . TION ................................................................. 419
.
LAN-4
PRECAUTIONS
[CAN]
PRECAUTIONS
[CAN] PFP:00001
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EKS0089Q
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along B
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. Information necessary to service the system safely is included in the SRS and SB section of
this Service Manual. C
WARNING:
q To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer. D
q Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section. E
q Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors. F
Precautions When Using CONSULT-II EKS0073H
When connecting CONSULT-II to data link connector, connect them G
through CONSULT-II CONVERTER.
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CON- H
VERTER, malfunctions might be detected in self-diagnosis
depending on control unit which carry out CAN communication.
I
MKIB0533E J
CHECK POINTS FOR USING CONSULT-II
1. Has CONSULT-II been used without connecting CONSULT-II CONVERTER on this vehicle?
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