Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Maxima 2000-2005 Approved Nissan Maxima 2005 lan
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K ELECTRICAL
A
B
SECTION
LAN SYSTEM C
D
E
CONTENTS
CAN CAN SYSTEM (TYPE 2) .......................................... 43 . F
System Description ................................................ 43 .
PRECAUTIONS ......................................................... 5 . Component Parts and Harness Connector Location 43 ...
Precautions for Supplemental Restraint System Schematic .............................................................. 44
. G
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Wiring Diagram - CAN - ......................................... 45 .
SIONER" ................................................................. 5
. Work Flow .............................................................. 47
.
Precautions When Using CONSULT-II .................... 5 . CHECK SHEET RESULTS (EXAMPLE) ............ 49 .
CHECK POINTS FOR USING CONSULT-II ........ 5 . H
Circuit Check Between Data Link Connector and
Precautions for CAN System .................................. 5 . Driver Seat Control Unit ......................................... 59 .
Wiring Diagrams and Trouble Diagnosis ................. 6 . Circuit Check Between Driver Seat Control Unit and
CAN COMMUNICATION ........................................... 7 . ABS Actuator and Electric Unit (Control Unit) ....... 60 . I
System Description ................................................. 7 . ECM Circuit Check ................................................ 60 .
CAN Communication Unit ....................................... 7 . Display Unit Circuit Check ..................................... 61 .
Input/Output Signal Chart ........................................ 8 . Data Link Connector Circuit Check ....................... 61 . J
TYPE 1/TYPE 2/TYPE 3 ...................................... 8 . Unified Meter and A/C Amp. Circuit Check ........... 62 .
TYPE 4/TYPE 5/TYPE 6 .................................... 10 . BCM Circuit Check ................................................ 62 .
TYPE 7/TYPE 8/TYPE 9/TYPE 10 ..................... 13 . Driver Seat Control Unit Circuit Check .................. 63 .
TYPE 11/TYPE 12/TYPE 13/TYPE 14 ............... 16 . LAN
ABS Actuator and Electric Unit (Control Unit) Circuit
TYPE 15/TYPE 16 ............................................. 19 . Check .................................................................... 63
.
CAN SYSTEM (TYPE 1) .......................................... 23 . IPDM E/R Circuit Check ........................................ 64 .
System Description ............................................... 23 . CAN Communication Circuit Check ....................... 64 . L
Component Parts and Harness Connector Location 23 ... IPDM E/R Ignition Relay Circuit Check ................. 65 .
Schematic ............................................................. 24
. Component Inspection ........................................... 65 .
Wiring Diagram - CAN - ........................................ 25 . ECM AND IPDM E/R INTERNAL CIRCUIT M
Work Flow ............................................................. 27
. INSPECTION ..................................................... 65 .
CHECK SHEET RESULTS (EXAMPLE) ............ 29 . CAN SYSTEM (TYPE 3) .......................................... 66 .
Circuit Check Between Data Link Connector and System Description ................................................ 66 .
ABS Actuator and Electric Unit (Control Unit) ....... 37 . Component Parts and Harness Connector Location 66 ...
ECM Circuit Check ................................................ 38 . Schematic .............................................................. 67
.
Display Unit Circuit Check ..................................... 38 . Wiring Diagram - CAN - ......................................... 68 .
Data Link Connector Circuit Check ....................... 39 . Work Flow .............................................................. 70
.
Unified Meter and A/C Amp. Circuit Check ........... 39 . CHECK SHEET RESULTS (EXAMPLE) ............ 72 .
BCM Circuit Check ................................................ 40 . Circuit Check Between Data Link Connector and
ABS Actuator and Electric Unit (Control Unit) Circuit Driver Seat Control Unit ......................................... 82 .
Check .................................................................... 40
. Circuit Check Between Driver Seat Control Unit and
IPDM E/R Circuit Check ........................................ 41 . ABS Actuator and Electric Unit (Control Unit) ....... 83 .
CAN Communication Circuit Check ...................... 41 . ECM Circuit Check ................................................ 83 .
IPDM E/R Ignition Relay Circuit Check ................. 42 . Display Control Unit Circuit Check ........................ 84 .
Component Inspection .......................................... 42 . Data Link Connector Circuit Check ....................... 84 .
ECM AND IPDM E/R INTERNAL CIRCUIT Unified Meter and A/C Amp. Circuit Check ........... 85 .
INSPECTION ..................................................... 42 .
Revision: July 2005 LAN-1 2005 Maxima
BCM Circuit Check ................................................ 85 . Component Parts and Harness Connector Location .132
Driver Seat Control Unit Circuit Check .................. 86 . Schematic ............................................................ 133
.
ABS Actuator and Electric Unit (Control Unit) Circuit Wiring Diagram - CAN - ....................................... 134 .
Check .................................................................... 86
. Work Flow ............................................................ 136
.
IPDM E/R Circuit Check ........................................ 87 . CHECK SHEET RESULTS (EXAMPLE) ........... 138 .
CAN Communication Circuit Check ....................... 87 . Circuit Check Between Data Link Connector and
IPDM E/R Ignition Relay Circuit Check .................. 88 . Driver Seat Control Unit ....................................... 148 .
Component Inspection ........................................... 88 . Circuit Check Between Driver Seat Control Unit and
ECM AND IPDM E/R INTERNAL CIRCUIT ABS Actuator and Electric Unit (Control Unit) ...... 149 .
INSPECTION ...................................................... 88 . ECM Circuit Check ............................................... 149 .
CAN SYSTEM (TYPE 4) .......................................... 89 . Display Control Unit Circuit Check ....................... 150 .
System Description ................................................ 89 . Data Link Connector Circuit Check ...................... 150 .
Component Parts and Harness Connector Location 89 ... Unified Meter and A/C Amp. Circuit Check .......... 151 .
Schematic .............................................................. 90
. BCM Circuit Check ............................................... 151 .
Wiring Diagram - CAN - ......................................... 91 . Driver Seat Control Unit Circuit Check ................. 152 .
Work Flow .............................................................. 93
. ABS Actuator and Electric Unit (Control Unit) Circuit
CHECK SHEET RESULTS (EXAMPLE) ............ 95 . Check ................................................................... 152
.
Circuit Check Between Data Link Connector and IPDM E/R Circuit Check ....................................... 153 .
ABS Actuator and Electric Unit (Control Unit) ...... 103 . CAN Communication Circuit Check ..................... 153 .
ECM Circuit Check .............................................. 104 . IPDM E/R Ignition Relay Circuit Check ................ 154 .
Display Unit Circuit Check ................................... 104 . Component Inspection ......................................... 154 .
Data Link Connector Circuit Check ...................... 105 . ECM AND IPDM E/R INTERNAL CIRCUIT
Unified Meter and A/C Amp. Circuit Check .......... 105 . INSPECTION .................................................... 154 .
BCM Circuit Check .............................................. 106 . CAN SYSTEM (TYPE 7) ......................................... 155 .
ABS Actuator and Electric Unit (Control Unit) Circuit System Description .............................................. 155 .
Check .................................................................. 106
. Component Parts and Harness Connector Location .155
IPDM E/R Circuit Check ...................................... 107 . Schematic ............................................................ 156
.
CAN Communication Circuit Check ..................... 107 . Wiring Diagram - CAN - ....................................... 157 .
IPDM E/R Ignition Relay Circuit Check ................ 108 . Work Flow ............................................................ 160
.
Component Inspection ......................................... 108 . CHECK SHEET RESULTS (EXAMPLE) ........... 162 .
ECM AND IPDM E/R INTERNAL CIRCUIT Circuit Check Between TCM and Data Link Con-
INSPECTION .................................................... 108 . nector ................................................................... 173
.
CAN SYSTEM (TYPE 5) ........................................ 109 . Circuit Check Between Data Link Connector and
System Description .............................................. 109 . ABS Actuator and Electric Unit (Control Unit) ...... 173 .
Component Parts and Harness Connector Location 109 . ECM Circuit Check ............................................... 174 .
Schematic ............................................................ 110
. TCM Circuit Check ............................................... 174 .
Wiring Diagram - CAN - ........................................111 . Display Unit Circuit Check ................................... 175 .
Work Flow ............................................................ 113
. Data Link Connector Circuit Check ...................... 175 .
CHECK SHEET RESULTS (EXAMPLE) .......... 115 . Unified Meter and A/C Amp. Circuit Check .......... 176 .
Circuit Check Between Data Link Connector and BCM Circuit Check ............................................... 176 .
Driver Seat Control Unit ....................................... 125 . ABS Actuator and Electric Unit (Control Unit) Circuit
Circuit Check Between Driver Seat Control Unit and Check ................................................................... 177
.
ABS Actuator and Electric Unit (Control Unit) ...... 126 . IPDM E/R Circuit Check ....................................... 177 .
ECM Circuit Check .............................................. 126 . CAN Communication Circuit Check ..................... 178 .
Display Unit Circuit Check ................................... 127 . IPDM E/R Ignition Relay Circuit Check ................ 178 .
Data Link Connector Circuit Check ...................... 127 . Component Inspection ......................................... 179 .
Unified Meter and A/C Amp. Circuit Check .......... 128 . ECM AND IPDM E/R INTERNAL CIRCUIT
BCM Circuit Check .............................................. 128 . INSPECTION .................................................... 179 .
Driver Seat Control Unit Circuit Check ................ 129 . CAN SYSTEM (TYPE 8) ......................................... 180 .
ABS Actuator and Electric Unit (Control Unit) Circuit System Description .............................................. 180 .
Check .................................................................. 129
. Component Parts and Harness Connector Location .180
IPDM E/R Circuit Check ...................................... 130 . Schematic ............................................................ 181
.
CAN Communication Circuit Check ..................... 130 . Wiring Diagram - CAN - ....................................... 182 .
IPDM E/R Ignition Relay Circuit Check ................ 131 . Work Flow ............................................................ 185
.
Component Inspection ......................................... 131 . CHECK SHEET RESULTS (EXAMPLE) ........... 187 .
ECM AND IPDM E/R INTERNAL CIRCUIT Circuit Check Between TCM and Data Link Con-
INSPECTION .................................................... 131 . nector ................................................................... 200
.
CAN SYSTEM (TYPE 6) ........................................ 132 . Circuit Check Between Data Link Connector and
System Description .............................................. 132 . Driver Seat Control Unit ....................................... 200 .
Revision: July 2005 LAN-2 2005 Maxima
Circuit Check Between Driver Seat Control Unit and Unified Meter and A/C Amp. Circuit Check ......... 256 .
ABS Actuator and Electric Unit (Control Unit) ..... 201 . BCM Circuit Check .............................................. 257 . A
ECM Circuit Check .............................................. 201 . Driver Seat Control Unit Circuit Check ................ 257 .
TCM Circuit Check .............................................. 202 . ABS Actuator and Electric Unit (Control Unit) Circuit
Display Unit Circuit Check ................................... 202 . Check .................................................................. 258
. B
Data Link Connector Circuit Check ..................... 203 . IPDM E/R Circuit Check ...................................... 258 .
Unified Meter and A/C Amp. Circuit Check ......... 203 . CAN Communication Circuit Check ..................... 259 .
BCM Circuit Check .............................................. 204 . IPDM E/R Ignition Relay Circuit Check ............... 259 .
Driver Seat Control Unit Circuit Check ................ 204 . Component Inspection ......................................... 260 . C
ABS Actuator and Electric Unit (Control Unit) Circuit ECM AND IPDM E/R INTERNAL CIRCUIT
Check .................................................................. 205
. INSPECTION ................................................... 260 .
IPDM E/R Circuit Check ...................................... 205 . CAN SYSTEM (TYPE 11) ...................................... 261 . D
CAN Communication Circuit Check .................... 206 . System Description .............................................. 261 .
IPDM E/R Ignition Relay Circuit Check ............... 206 . Component Parts and Harness Connector Location 261 .
Component Inspection ........................................ 207 . Schematic ............................................................ 262
. E
ECM AND IPDM E/R INTERNAL CIRCUIT Wiring Diagram - CAN - ....................................... 263 .
INSPECTION ................................................... 207 . Work Flow ............................................................ 266
.
CAN SYSTEM (TYPE 9) ........................................ 208 . CHECK SHEET RESULTS (EXAMPLE) .......... 268 .
System Description ............................................. 208 . Circuit Check Between TCM and Data Link Con- F
Component Parts and Harness Connector Location 208 . nector ................................................................... 279
.
Schematic ........................................................... 209
. Circuit Check Between Data Link Connector and
Wiring Diagram - CAN - ...................................... 210 . ABS Actuator and Electric Unit (Control Unit) ..... 279 . G
Work Flow ........................................................... 213
. ECM Circuit Check .............................................. 280 .
CHECK SHEET RESULTS (EXAMPLE) .......... 215 . TCM Circuit Check .............................................. 280 .
Circuit Check Between TCM and Data Link Con- Display Unit Circuit Check ................................... 281 . H
nector .................................................................. 226
. Data Link Connector Circuit Check ..................... 281 .
Circuit Check Between Data Link Connector and Unified Meter and A/C Amp. Circuit Check ......... 282 .
ABS Actuator and Electric Unit (Control Unit) ..... 226 . BCM Circuit Check .............................................. 282 .
I
ECM Circuit Check .............................................. 227 . ABS Actuator and Electric Unit (Control Unit) Circuit
TCM Circuit Check .............................................. 227 . Check .................................................................. 283
.
Display Control Unit Circuit Check ...................... 228 . IPDM E/R Circuit Check ...................................... 283 .
Data Link Connector Circuit Check ..................... 228 . CAN Communication Circuit Check ..................... 284 . J
Unified Meter and A/C Amp. Circuit Check ......... 229 . IPDM E/R Ignition Relay Circuit Check ............... 284 .
BCM Circuit Check .............................................. 229 . Component Inspection ......................................... 285 .
ABS Actuator and Electric Unit (Control Unit) Circuit ECM AND IPDM E/R INTERNAL CIRCUIT LAN
Check .................................................................. 230
. INSPECTION ................................................... 285 .
IPDM E/R Circuit Check ...................................... 230 . CAN SYSTEM (TYPE 12) ...................................... 286 .
CAN Communication Circuit Check .................... 231 . System Description .............................................. 286 . L
IPDM E/R Ignition Relay Circuit Check ............... 231 . Component Parts and Harness Connector Location 286 .
Component Inspection ........................................ 232 . Schematic ............................................................ 287
.
ECM AND IPDM E/R INTERNAL CIRCUIT Wiring Diagram - CAN - ....................................... 288 .
INSPECTION ................................................... 232 . Work Flow ............................................................ 291
. M
CAN SYSTEM (TYPE 10) ...................................... 233 . CHECK SHEET RESULTS (EXAMPLE) .......... 293 .
System Description ............................................. 233 . Circuit Check Between TCM and Data Link Con-
Component Parts and Harness Connector Location 233 . nector ................................................................... 306
.
Schematic ........................................................... 234
. Circuit Check Between Data Link Connector and
Wiring Diagram - CAN - ...................................... 235 . Driver Seat Control Unit ....................................... 306 .
Work Flow ........................................................... 238
. Circuit Check Between Driver Seat Control Unit and
CHECK SHEET RESULTS (EXAMPLE) .......... 240 . ABS Actuator and Electric Unit (Control Unit) ..... 307 .
Circuit Check Between TCM and Data Link Con- ECM Circuit Check .............................................. 307 .
nector .................................................................. 253
. TCM Circuit Check .............................................. 308 .
Circuit Check Between Data Link Connector and Display Unit Circuit Check ................................... 308 .
Driver Seat Control Unit ...................................... 253 . Data Link Connector Circuit Check ..................... 309 .
Circuit Check Between Driver Seat Control Unit and Unified Meter and A/C Amp. Circuit Check ......... 309 .
ABS Actuator and Electric Unit (Control Unit) ..... 254 . BCM Circuit Check .............................................. 310 .
ECM Circuit Check .............................................. 254 . Driver Seat Control Unit Circuit Check ................ 310 .
TCM Circuit Check .............................................. 255 . ABS Actuator and Electric Unit (Control Unit) Circuit
Display Control Unit Circuit Check ...................... 255 . Check .................................................................. 311
.
Data Link Connector Circuit Check ..................... 256 . IPDM E/R Circuit Check ...................................... 311 .
Revision: July 2005 LAN-3 2005 Maxima
CAN Communication Circuit Check ..................... 312 . CAN SYSTEM (TYPE 15) ....................................... 367 .
IPDM E/R Ignition Relay Circuit Check ................ 312 . System Description .............................................. 367 .
Component Inspection ......................................... 313 . Component Parts and Harness Connector Location .367
ECM AND IPDM E/R INTERNAL CIRCUIT Schematic ............................................................ 368
.
INSPECTION .................................................... 313 . Wiring Diagram - CAN - ....................................... 369 .
CAN SYSTEM (TYPE 13) ...................................... 314 . Work Flow ............................................................ 372
.
System Description .............................................. 314 . CHECK SHEET RESULTS (EXAMPLE) ........... 374 .
Component Parts and Harness Connector Location 314 . Circuit Check Between TCM and Data Link Con-
Schematic ............................................................ 315
. nector ................................................................... 388
.
Wiring Diagram - CAN - ....................................... 316 . Circuit Check Between Data Link Connector and
Work Flow ............................................................ 319
. Driver Seat Control Unit ....................................... 388 .
CHECK SHEET RESULTS (EXAMPLE) .......... 321 . Circuit Check Between Driver Seat Control Unit and
Circuit Check Between TCM and Data Link Con- ABS Actuator and Electric Unit (Control Unit) ...... 389 .
nector ................................................................... 332
. ECM Circuit Check ............................................... 389 .
Circuit Check Between Data Link Connector and TCM Circuit Check ............................................... 390 .
ABS Actuator and Electric Unit (Control Unit) ...... 332 . Display Unit Circuit Check ................................... 390 .
ECM Circuit Check .............................................. 333 . Data Link Connector Circuit Check ...................... 391 .
TCM Circuit Check .............................................. 333 . Unified Meter and A/C Amp. Circuit Check .......... 391 .
Display Control Unit Circuit Check ....................... 334 . Steering Angle Sensor Circuit Check ................... 392 .
Data Link Connector Circuit Check ...................... 334 . BCM Circuit Check ............................................... 392 .
Unified Meter and A/C Amp. Circuit Check .......... 335 . Driver Seat Control Unit Circuit Check ................. 393 .
BCM Circuit Check .............................................. 335 . ABS Actuator and Electric Unit (Control Unit) Circuit
ABS Actuator and Electric Unit (Control Unit) Circuit Check ................................................................... 393
.
Check .................................................................. 336
. IPDM E/R Circuit Check ....................................... 394 .
IPDM E/R Circuit Check ...................................... 336 . CAN Communication Circuit Check ..................... 394 .
CAN Communication Circuit Check ..................... 337 . IPDM E/R Ignition Relay Circuit Check ................ 395 .
IPDM E/R Ignition Relay Circuit Check ................ 337 . Component Inspection ......................................... 395 .
Component Inspection ......................................... 338 . ECM AND IPDM E/R INTERNAL CIRCUIT
ECM AND IPDM E/R INTERNAL CIRCUIT INSPECTION .................................................... 395 .
INSPECTION .................................................... 338 . CAN SYSTEM (TYPE 16) ....................................... 396 .
CAN SYSTEM (TYPE 14) ...................................... 339 . System Description .............................................. 396 .
System Description .............................................. 339 . Component Parts and Harness Connector Location .396
Component Parts and Harness Connector Location 339 . Schematic ............................................................ 397
.
Schematic ............................................................ 340
. Wiring Diagram - CAN - ....................................... 398 .
Wiring Diagram - CAN - ....................................... 341 . Work Flow ............................................................ 401
.
Work Flow ............................................................ 344
. CHECK SHEET RESULTS (EXAMPLE) ........... 403 .
CHECK SHEET RESULTS (EXAMPLE) .......... 346 . Circuit Check Between TCM and Data Link Con-
Circuit Check Between TCM and Data Link Con- nector ................................................................... 417
.
nector ................................................................... 359
. Circuit Check Between Data Link Connector and
Circuit Check Between Data Link Connector and Driver Seat Control Unit ....................................... 417 .
Driver Seat Control Unit ....................................... 359 . Circuit Check Between Driver Seat Control Unit and
Circuit Check Between Driver Seat Control Unit and ABS Actuator and Electric Unit (Control Unit) ...... 418 .
ABS Actuator and Electric Unit (Control Unit) ...... 360 . ECM Circuit Check ............................................... 418 .
ECM Circuit Check .............................................. 360 . TCM Circuit Check ............................................... 419 .
TCM Circuit Check .............................................. 361 . Display Control Unit Circuit Check ....................... 419 .
Display Control Unit Circuit Check ....................... 361 . Data Link Connector Circuit Check ...................... 420 .
Data Link Connector Circuit Check ...................... 362 . Unified Meter and A/C Amp. Circuit Check .......... 420 .
Unified Meter and A/C Amp. Circuit Check .......... 362 . Steering Angle Sensor Circuit Check ................... 421 .
BCM Circuit Check .............................................. 363 . BCM Circuit Check ............................................... 421 .
Driver Seat Control Unit Circuit Check ................ 363 . Driver Seat Control Unit Circuit Check ................. 422 .
ABS Actuator and Electric Unit (Control Unit) Circuit ABS Actuator and Electric Unit (Control Unit) Circuit
Check .................................................................. 364
. Check ................................................................... 422
.
IPDM E/R Circuit Check ...................................... 364 . IPDM E/R Circuit Check ....................................... 423 .
CAN Communication Circuit Check ..................... 365 . CAN Communication Circuit Check ..................... 423 .
IPDM E/R Ignition Relay Circuit Check ................ 365 . IPDM E/R Ignition Relay Circuit Check ................ 424 .
Component Inspection ......................................... 366 . Component Inspection ......................................... 424 .
ECM AND IPDM E/R INTERNAL CIRCUIT ECM AND IPDM E/R INTERNAL CIRCUIT
INSPECTION .................................................... 366 . INSPECTION .................................................... 424 .
Revision: July 2005 LAN-4 2005 Maxima
PRECAUTIONS
[CAN]
PRECAUTIONS PFP:00001
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" UKS0025K
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. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front C
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING: D
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. E
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. F
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.
G
Precautions When Using CONSULT-II UKS002MT
When connecting CONSULT-II to data link connector, connect them through CONSULT-II CONVERTER.
H
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.
I
CHECK POINTS FOR USING CONSULT-II
1. Has CONSULT-II been used without connecting CONSULT-II CONVERTER on this vehicle?
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