Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Titan 2004-2009 Approved Nissan Titan 2005 LAN
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K ELECTRICAL
A
B
SECTION
LAN SYSTEM C
D
E
CONTENTS
CAN IPDM E/R Circuit Check ........................................ 49 . F
CAN Communication Circuit Check ....................... 50 .
PRECAUTIONS ......................................................... 5 . IPDM E/R Ignition Relay Circuit Check ................. 50 .
Precautions for Supplemental Restraint System Component Inspection ........................................... 51 . G
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
SIONER" ................................................................. 5
. TION ................................................................... 51
.
Precautions When Using CONSULT-II .................... 5 . CAN SYSTEM (TYPE 2) .......................................... 52 .
CHECK POINTS FOR USING CONSULT-II ........ 5 . H
System Description ................................................ 52 .
Precautions For Trouble Diagnosis ......................... 5 . Component Parts and Harness Connector Location 52 ...
CAN SYSTEM ...................................................... 5 . Schematic .............................................................. 53
.
Precautions For Harness Repair ............................. 6 . Wiring Diagram - CAN - ......................................... 54 . I
CAN SYSTEM ...................................................... 6 . Work Flow .............................................................. 57
.
CAN COMMUNICATION ........................................... 7 . CHECK SHEET .................................................. 58 .
System Description ................................................. 7 . CHECK SHEET RESULTS (EXAMPLE) ............ 60 . J
CAN Communication Unit ....................................... 7 . Circuit Check Between TCM and Data Link Con-
TYPE 1 ................................................................. 9
. nector ..................................................................... 71
.
TYPE 2/TYPE 3/TYPE 4 .....................................11 . Circuit Check Between Data Link Connector and
TYPE 5/TYPE 6 ................................................. 14 . LAN
IPDM E/R ............................................................... 72
.
TYPE 7/TYPE 8/TYPE 9/TYPE 10/TYPE 11/ ECM Circuit Check ................................................ 73 .
TYPE 12 ............................................................. 17
. TCM Circuit Check ................................................ 74 .
TYPE 13 ............................................................. 21
. Combination Meter Circuit Check .......................... 74 . L
CAN SYSTEM (TYPE 1) .......................................... 24 . BCM Circuit Check ................................................ 75 .
System Description ............................................... 24 . Data Link Connector Circuit Check ....................... 75 .
Component Parts and Harness Connector Location 24 ... Front Air Control Circuit Check .............................. 76 . M
Schematic ............................................................. 25
. ABS Actuator and Electric Unit (Control Unit) Circuit
Wiring Diagram - CAN - ........................................ 26 . Check .................................................................... 76
.
Work Flow ............................................................. 29
. IPDM E/R Circuit Check ........................................ 77 .
CHECK SHEET .................................................. 30 . CAN Communication Circuit Check ....................... 78 .
CHECK SHEET RESULTS (EXAMPLE) ............ 32 . IPDM E/R Ignition Relay Circuit Check ................. 78 .
Circuit Check Between TCM and Data Link Con- Component Inspection ........................................... 79 .
nector .................................................................... 43
. ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
Circuit Check Between Data Link Connector and TION ................................................................... 79
.
IPDM E/R .............................................................. 44
. CAN SYSTEM (TYPE 3) .......................................... 80 .
ECM Circuit Check ................................................ 45 . System Description ................................................ 80 .
TCM Circuit Check ................................................ 46 . Component Parts and Harness Connector Location 80 ...
Combination Meter Circuit Check ......................... 46 . Schematic .............................................................. 81
.
BCM Circuit Check ................................................ 47 . Wiring Diagram - CAN - ......................................... 82 .
Data Link Connector Circuit Check ....................... 47 . Work Flow .............................................................. 85
.
Front Air Control Circuit Check ............................. 48 . CHECK SHEET .................................................. 86 .
ABS Actuator and Electric Unit (Control Unit) Circuit CHECK SHEET RESULTS (EXAMPLE) ............ 88 .
Check .................................................................... 48
.
Revision: October 2004 LAN-1 2005 Titan
Circuit Check Between TCM and Driver Seat Con- Circuit Check Between TCM and Data Link Con-
trol Unit ................................................................ 101
. nector ................................................................... 163
.
Circuit Check Between Driver Seat Control Unit and Circuit Check Between Data Link Connector and
Data Link Connector ............................................ 102 . IPDM E/R ............................................................. 164.
Circuit Check Between Data Link Connector and ECM Circuit Check ............................................... 165 .
IPDM E/R ............................................................. 103
. TCM Circuit Check ............................................... 166 .
ECM Circuit Check .............................................. 104 . Combination Meter Circuit Check ........................ 166 .
TCM Circuit Check .............................................. 104 . BCM Circuit Check ............................................... 167 .
Driver Seat Control Unit Circuit Check ................ 105 . Data Link Connector Circuit Check ...................... 167 .
Combination Meter Circuit Check ........................ 105 . Steering Angle Sensor Circuit Check ................... 168 .
BCM Circuit Check .............................................. 106 . Front Air Control Circuit Check ............................ 168 .
Data Link Connector Circuit Check ...................... 106 . ABS Actuator and Electric Unit (Control Unit) Circuit
Front Air Control Circuit Check ............................ 107 . Check ................................................................... 169
.
ABS Actuator and Electric Unit (Control Unit) Circuit IPDM E/R Circuit Check ....................................... 169 .
Check .................................................................. 107
. CAN Communication Circuit Check ..................... 170 .
IPDM E/R Circuit Check ...................................... 108 . IPDM E/R Ignition Relay Circuit Check ................ 171 .
CAN Communication Circuit Check ..................... 108 . Component Inspection ......................................... 171 .
IPDM E/R Ignition Relay Circuit Check ................ 109 . ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
Component Inspection ......................................... 109 . TION ................................................................. 171
.
ECM/IPDM E/R INTERNAL CIRCUIT INSPEC- CAN SYSTEM (TYPE 6) ......................................... 172 .
TION ................................................................. 109
. System Description .............................................. 172 .
CAN SYSTEM (TYPE 4) ........................................ 110 . ComponentParts and Harness Connector Location .172
System Description .............................................. 110 . Schematic ............................................................ 173.
ComponentParts and Harness Connector Location 110 . Wiring Diagram - CAN - ....................................... 174 .
Schematic .............................................................111
. Work Flow ............................................................ 177.
Wiring Diagram - CAN - ....................................... 112 . CHECK SHEET ................................................ 179 .
Work Flow ............................................................ 115
. CHECK SHEET RESULTS (EXAMPLE) ........... 181 .
CHECK SHEET ................................................ 117 . Circuit Check Between TCM and Driver Seat Con-
CHECK SHEET RESULTS (EXAMPLE) .......... 119 . trol Unit ................................................................. 196
.
Circuit Check Between TCM and Driver Seat Con- Circuit Check Between Driver Seat Control Unit and
trol Unit ................................................................ 133
. Data Link Connector ............................................ 197 .
Circuit Check Between Driver Seat Control Unit and Circuit Check Between Data Link Connector and
Data Link Connector ............................................ 134 . IPDM E/R ............................................................. 198.
Circuit Check Between Data Link Connector and ECM Circuit Check ............................................... 199 .
IPDM E/R ............................................................. 135
. TCM Circuit Check ............................................... 199 .
ECM Circuit Check .............................................. 136 . Driver Seat Control Unit Circuit Check ................. 200 .
TCM Circuit Check .............................................. 136 . Combination Meter Circuit Check ........................ 200 .
Driver Seat Control Unit Circuit Check ................ 137 . Display Control Unit Circuit Check ....................... 201 .
Combination Meter Circuit Check ........................ 137 . BCM Circuit Check ............................................... 201 .
Display Control Unit Circuit Check ....................... 138 . Data Link Connector Circuit Check ...................... 202 .
BCM Circuit Check .............................................. 138 . Steering Angle Sensor Circuit Check ................... 202 .
Data Link Connector Circuit Check ...................... 139 . Front Air Control Circuit Check ............................ 203 .
Front Air Control Circuit Check ............................ 139 . ABS Actuator and Electric Unit (Control Unit) Circuit
ABS Actuator and Electric Unit (Control Unit) Circuit Check ................................................................... 203
.
Check .................................................................. 140
. IPDM E/R Circuit Check ....................................... 204 .
IPDM E/R Circuit Check ...................................... 140 . CAN Communication Circuit Check ..................... 204 .
CAN Communication Circuit Check ..................... 141 . IPDM E/R Ignition Relay Circuit Check ................ 205 .
IPDM E/R Ignition Relay Circuit Check ................ 141 . Component Inspection ......................................... 205 .
Component Inspection ......................................... 142 . ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
ECM/IPDM E/R INTERNAL CIRCUIT INSPEC- TION ................................................................. 205
.
TION ................................................................. 142
. CAN SYSTEM (TYPE 7) ......................................... 206 .
CAN SYSTEM (TYPE 5) ........................................ 143 . System Description .............................................. 206 .
System Description .............................................. 143 . ComponentParts and Harness Connector Location .206
ComponentParts and Harness Connector Location 143 . Schematic ............................................................ 207.
Schematic ............................................................ 144
. Wiring Diagram - CAN - ....................................... 208 .
Wiring Diagram - CAN - ....................................... 145 . Work Flow ............................................................ 211.
Work Flow ............................................................ 148
. CHECK SHEET ................................................ 212 .
CHECK SHEET ................................................ 149 . CHECK SHEET RESULTS (EXAMPLE) ........... 214 .
CHECK SHEET RESULTS (EXAMPLE) .......... 151 . Circuit Check Between TCM and Data Link Con-
Revision: October 2004 LAN-2 2005 Titan
nector .................................................................. 226
. Data Link Connector ............................................ 292 .
Circuit Check Between Data Link Connector and Circuit Check Between Data Link Connector and A
IPDM E/R ............................................................ 227. IPDM E/R ............................................................. 293
.
ECM Circuit Check .............................................. 228 . ECM Circuit Check .............................................. 294 .
TCM Circuit Check .............................................. 229 . TCM Circuit Check .............................................. 294 . B
Combination Meter Circuit Check ....................... 229 . Driver Seat Control Unit Circuit Check ................ 295 .
BCM Circuit Check .............................................. 230 . Combination Meter Circuit Check ........................ 295 .
Data Link Connector Circuit Check ..................... 230 . Display Control Unit Circuit Check ...................... 296 .
Front Air Control Circuit Check ........................... 231 . BCM Circuit Check .............................................. 296 . C
Transfer Control Unit Circuit Check ..................... 231 . Data Link Connector Circuit Check ..................... 297 .
ABS Actuator and Electric Unit (Control Unit) Circuit Front Air Control Circuit Check ............................ 297 .
Check .................................................................. 232
. Transfer Control Unit Circuit Check ..................... 298 . D
IPDM E/R Circuit Check ...................................... 232 . ABS Actuator and Electric Unit (Control Unit) Circuit
CAN Communication Circuit Check .................... 233 . Check .................................................................. 298
.
IPDM E/R Ignition Relay Circuit Check ............... 234 . IPDM E/R Circuit Check ...................................... 299 . E
Component Inspection ........................................ 234 . CAN Communication Circuit Check ..................... 299 .
ECM/IPDM E/R INTERNAL CIRCUIT INSPEC- IPDM E/R Ignition Relay Circuit Check ............... 300 .
TION ................................................................. 234
. Component Inspection ......................................... 300 .
CAN SYSTEM (TYPE 8) ........................................ 235 . ECM/IPDM E/R INTERNAL CIRCUIT INSPEC- F
System Description ............................................. 235 . TION ................................................................. 300
.
Component Parts and Harness Connector Location 235 . CAN SYSTEM (TYPE 10) ...................................... 301 .
Schematic ........................................................... 236. System Description .............................................. 301 . G
Wiring Diagram - CAN - ...................................... 237 . Component Parts and Harness Connector Location 301 .
Work Flow ........................................................... 240. Schematic ............................................................ 302
.
CHECK SHEET ................................................ 241 . Wiring Diagram - CAN - ....................................... 303 . H
CHECK SHEET RESULTS (EXAMPLE) .......... 243 . Work Flow ............................................................ 306
.
Circuit Check Between TCM and Driver Seat Con- CHECK SHEET ................................................ 307 .
trol Unit ................................................................ 257
. CHECK SHEET RESULTS (EXAMPLE) .......... 309 .
I
Circuit Check Between Driver Seat Control Unit and Circuit Check Between TCM and Differential Lock
Data Link Connector ........................................... 258 . Control Unit .......................................................... 323
.
Circuit Check Between Data Link Connector and Circuit Check Between Differential Lock Control
IPDM E/R ............................................................ 259. Unit and Data Link Connector ............................. 324 . J
ECM Circuit Check .............................................. 260 . Circuit Check Between Data Link Connector and
TCM Circuit Check .............................................. 260 . IPDM E/R ............................................................. 325
.
Driver Seat Control Unit Circuit Check ................ 261 . ECM Circuit Check .............................................. 326 . LAN
Combination Meter Circuit Check ....................... 261 . TCM Circuit Check .............................................. 326 .
BCM Circuit Check .............................................. 262 . Differential Lock Control Unit Circuit Check ........ 327 .
Data Link Connector Circuit Check ..................... 262 . Combination Meter Circuit Check ........................ 327 . L
Front Air Control Circuit Check ........................... 263 . BCM Circuit Check .............................................. 328 .
Transfer Control Unit Circuit Check ..................... 263 . Data Link Connector Circuit Check ..................... 328 .
ABS Actuator and Electric Unit (Control Unit) Circuit Front Air Control Circuit Check ............................ 329 .
Check .................................................................. 264
. Transfer Control Unit Circuit Check ..................... 329 . M
IPDM E/R Circuit Check ...................................... 264 . ABS Actuator and Electric Unit (Control Unit) Circuit
CAN Communication Circuit Check .................... 265 . Check .................................................................. 330
.
IPDM E/R Ignition Relay Circuit Check ............... 265 . IPDM E/R Circuit Check ...................................... 330 .
Component Inspection ........................................ 266 . CAN Communication Circuit Check ..................... 331 .
ECM/IPDM E/R INTERNAL CIRCUIT INSPEC- IPDM E/R Ignition Relay Circuit Check ............... 331 .
TION ................................................................. 266
. Component Inspection ......................................... 332 .
CAN SYSTEM (TYPE 9) ........................................ 267 . ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
System Description ............................................. 267 . TION ................................................................. 332
.
Component Parts and Harness Connector Location 267 . CAN SYSTEM (TYPE 11) ...................................... 333 .
Schematic ........................................................... 268. System Description .............................................. 333 .
Wiring Diagram - CAN - ...................................... 269 . Component Parts and Harness Connector Location 333 .
Work Flow ........................................................... 272. Schematic ............................................................ 334
.
CHECK SHEET ................................................ 274 . Wiring Diagram - CAN - ....................................... 335 .
CHECK SHEET RESULTS (EXAMPLE) .......... 276 . Work Flow ............................................................ 338
.
Circuit Check Between TCM and Driver Seat Con- CHECK SHEET ................................................ 339 .
trol Unit ................................................................ 291
. CHECK SHEET RESULTS (EXAMPLE) .......... 342 .
Circuit Check Between Driver Seat Control Unit and Circuit Check Between TCM and Differential Lock
Revision: October 2004 LAN-3 2005 Titan
Control Unit .......................................................... 358
. Display Control Unit Circuit Check ....................... 402 .
Circuit Check Between Differential Lock Control BCM Circuit Check ............................................... 402 .
Unit and Driver Seat Control Unit ........................ 359 . Data Link Connector Circuit Check ...................... 403 .
Circuit Check Between Driver Seat Control Unit and Front Air Control Circuit Check ............................ 403 .
Data Link Connector ............................................ 360 . Transfer Control Unit Circuit Check ..................... 404 .
Circuit Check Between Data Link Connector and ABS Actuator and Electric Unit (Control Unit) Circuit
IPDM E/R ............................................................. 360
. Check ................................................................... 404
.
ECM Circuit Check .............................................. 361 . IPDM E/R Circuit Check ....................................... 405 .
TCM Circuit Check .............................................. 362 . CAN Communication Circuit Check ..................... 406 .
Differential Lock Control Unit Circuit Check ......... 362 . IPDM E/R Ignition Relay Circuit Check ................ 406 .
Driver Seat Control Unit Circuit Check ................ 363 . Component Inspection ......................................... 407 .
Combination Meter Circuit Check ........................ 363 . ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
BCM Circuit Check .............................................. 364 . TION ................................................................. 407
.
Data Link Connector Circuit Check ...................... 364 . CAN SYSTEM (TYPE 13) ....................................... 408 .
Front Air Control Circuit Check ............................ 365 . System Description .............................................. 408 .
Transfer Control Unit Circuit Check ..................... 365 . ComponentParts and Harness Connector Location .408
ABS Actuator and Electric Unit (Control Unit) Circuit Schematic ............................................................ 409.
Check .................................................................. 366
. Wiring Diagram - CAN - ....................................... 410 .
IPDM E/R Circuit Check ...................................... 366 . Work Flow ............................................................ 413.
CAN Communication Circuit Check ..................... 367 . CHECK SHEET ................................................ 414 .
IPDM E/R Ignition Relay Circuit Check ................ 368 . CHECK SHEET RESULTS (EXAMPLE) ........... 416 .
Component Inspection ......................................... 368 . Circuit Check Between TCM and Driver Seat Con-
ECM/IPDM E/R INTERNAL CIRCUIT INSPEC- trol Unit ................................................................. 431
.
TION ................................................................. 368
. Circuit Check Between Driver Seat Control Unit and
CAN SYSTEM (TYPE 12) ...................................... 369 . Data Link Connector ............................................ 432 .
System Description .............................................. 369 . Circuit Check Between Data Link Connector and
ComponentParts and Harness Connector Location 369 . IPDM E/R ............................................................. 433.
Schematic ............................................................ 370
. ECM Circuit Check ............................................... 434 .
Wiring Diagram - CAN - ....................................... 371 . TCM Circuit Check ............................................... 434 .
Work Flow ............................................................ 374
. Driver Seat Control Unit Circuit Check ................. 435 .
CHECK SHEET ................................................ 376 . Combination Meter Circuit Check ........................ 435 .
CHECK SHEET RESULTS (EXAMPLE) .......... 379 . BCM Circuit Check ............................................... 436 .
Circuit Check Between TCM and Differential Lock Data Link Connector Circuit Check ...................... 436 .
Control Unit .......................................................... 396
. Steering Angle Sensor Circuit Check ................... 437 .
Circuit Check Between Differential Lock Control Front Air Control Circuit Check ............................ 437 .
Unit and Driver Seat Control Unit ........................ 397 . Transfer Control Unit Circuit Check ..................... 438 .
Circuit Check Between Driver Seat Control Unit and ABS Actuator and Electric Unit (Control Unit) Circuit
Data Link Connector ............................................ 398 . Check ................................................................... 438
.
Circuit Check Between Data Link Connector and IPDM E/R Circuit Check ....................................... 439 .
IPDM E/R ............................................................. 398
. CAN Communication Circuit Check ..................... 439 .
ECM Circuit Check .............................................. 399 . IPDM E/R Ignition Relay Circuit Check ................ 440 .
TCM Circuit Check .............................................. 400 . Component Inspection ......................................... 440 .
Differential Lock Control Unit Circuit Check ......... 400 . ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
Driver Seat Control Unit Circuit Check ................ 401 . TION ................................................................. 440
.
Combination Meter Circuit Check ........................ 401 .
Revision: October 2004 LAN-4 2005 Titan
PRECAUTIONS
[CAN]
PRECAUTIONS PFP:00001
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" UKS001AE
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 UKS001AF
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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