Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Frontier 2003-2005 Approved Nissan Frontier 2005 LAN
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K ELECTRICAL
A
SECTION LAN LAN SYSTEM
B
C
D
E
CONTENTS
CAN ELECTRIC UNIT (CONTROL UNIT) .................. 20 . F
DESCRIPTION OF "CAN DIAG SUPPORT
PRECAUTIONS ......................................................... 5 . MNTR" SCREEN FOR IPDM E/R ...................... 20 .
Precautions for Supplemental Restraint System CAN COMMUNICATION .......................................... 22 . G
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- System Description ................................................ 22.
SIONER" ................................................................. 5
. CAN Communication Unit ...................................... 22 .
Precautions When Using CONSULT-II .................... 5 . TYPE 1/ TYPE 3 ................................................. 23 .
CHECK POINTS FOR USING CONSULT-II ........ 5 . H
TYPE 2/ TYPE 5 ................................................. 25 .
Precautions For Trouble Diagnosis ......................... 5 . TYPE 4 ............................................................... 27
.
CAN SYSTEM ...................................................... 5 . TYPE 6/ TYPE 7 ................................................. 29 .
Precautions For Harness Repair ............................. 6 . TYPE 8 ............................................................... 31
. I
CAN SYSTEM ...................................................... 6 . TYPE 9/ TYPE 10 ............................................... 32 .
TROUBLE DIAGNOSES WORK FLOW ................... 7 . TYPE 11 ............................................................. 34
.
When Displaying CAN Communication System TYPE 12/ TYPE 13 ............................................. 36 . J
Errors ...................................................................... 7
. TYPE 14/ TYPE 15 ............................................. 38 .
WHEN A MALFUNCTION IS DETECTED BY CAN SYSTEM (TYPE 1) .......................................... 41 .
CAN COMMUNICATION SYSTEM ...................... 7 . System Description ................................................ 41.
WHEN A MALFUNCTION IS DETECTED LAN
Component Parts and Harness Connector Location 41 ...
EXCEPT CAN COMMUNICATION SYSTEM ....... 7 . Schematic .............................................................. 42
.
TROUBLE DIAGNOSIS FLOW CHART .............. 8 . Wiring Diagram -- CAN -- .................................... 43 .
Diagnosis Procedure ............................................... 9 . CHECK SHEET ..................................................... 46 . L
SELECTING CAN SYSTEM TYPE (HOW TO CHECK SHEET RESULTS (EXAMPLE) ............ 48 .
USE SPECIFICATION TABLE) ............................ 9 . Inspection Between Data Link Connector and ABS
ACQUISITION OF DATA BY CONSULT-II ......... 10 . Actuator and Electric Unit (Control Unit) Circuit .... 55 . M
HOW TO USE CHECK SHEET TABLE ..............11 . ECM Circuit Inspection .......................................... 56 .
CAN Diagnostic Support Monitor .......................... 17 . Data Link Connector Circuit Inspection ................. 57 .
DESCRIPTION OF "CAN DIAG SUPPORT BCM Circuit Inspection .......................................... 57 .
MNTR" SCREEN FOR ECM .............................. 17 . Combination Meter Circuit Inspection .................... 58 .
DESCRIPTION OF "CAN DIAG SUPPORT ABS Actuator and Electric Unit (Control Unit) Circuit
MNTR" SCREEN FOR TCM .............................. 18 . Inspection .............................................................. 58
.
DESCRIPTION OF "CAN DIAG SUPPORT IPDM E/R Circuit Inspection .................................. 59 .
MNTR" SCREEN FOR DIFFERENTIAL LOCK CAN Communication Circuit Inspection ................ 60 .
CONTROL UNIT ................................................ 18 . IPDM E/R Ignition Relay Circuit Inspection ........... 63 .
DESCRIPTION OF "CAN DIAG SUPPORT CAN SYSTEM (TYPE 2) .......................................... 64 .
MNTR" SCREEN FOR BCM .............................. 19 . System Description ................................................ 64.
DESCRIPTION OF "CAN DIAG SUPPORT Component Parts and Harness Connector Location 64 ...
MNTR" SCREEN FOR TRANSFER CONTROL Schematic .............................................................. 65
.
UNIT ................................................................... 19
. Wiring Diagram -- CAN -- .................................... 66 .
DESCRIPTION OF "CAN DIAG SUPPORT CHECK SHEET ..................................................... 69 .
MNTR" SCREEN FOR ABS ACTUATOR AND CHECK SHEET RESULTS (EXAMPLE) ............ 71 .
Revision: November 2005 LAN-1 2005 Frontier
Inspection Between TCM and Data Link Connector Inspection Between Data Link Connector and ABS
Circuit .................................................................... 80
. Actuator and Electric Unit (Control Unit) Circuit ... 154 .
Inspection Between Data Link Connector and ABS ECM Circuit Inspection ........................................ 155 .
Actuator and Electric Unit (Control Unit) Circuit ..... 81 . TCM Circuit Inspection ......................................... 156 .
ECM Circuit Inspection .......................................... 82 . Data Link Connector Circuit Inspection ................ 156 .
TCM Circuit Inspection .......................................... 83 . BCM Circuit Inspection ........................................ 157 .
Data Link Connector Circuit Inspection ................. 83 . Combination Meter Circuit Inspection .................. 157 .
BCM Circuit Inspection .......................................... 84 . ABS Actuator and Electric Unit (Control Unit) Circuit
Combination Meter Circuit Inspection .................... 84 . Inspection ............................................................. 158
.
ABS Actuator and Electric Unit (Control Unit) Circuit IPDM E/R Circuit Inspection ................................ 158 .
Inspection .............................................................. 85
. CAN Communication Circuit Inspection ............... 159 .
IPDM E/R Circuit Inspection .................................. 85 . IPDM E/R Ignition Relay Circuit Inspection .......... 163 .
CAN Communication Circuit Inspection ................. 86 . CAN SYSTEM (TYPE 6) ......................................... 164 .
IPDM E/R Ignition Relay Circuit Inspection ........... 90 . System Description .............................................. 164 .
CAN SYSTEM (TYPE 3) .......................................... 91 . Component Parts and Harness Connector Location .164
System Description ................................................ 91 . Schematic ............................................................ 165.
Component Parts and Harness Connector Location 91 ... Wiring Diagram -- CAN -- .................................. 166 .
Schematic .............................................................. 92
. CHECK SHEET ................................................... 169 .
Wiring Diagram -- CAN -- .................................... 93 . CHECK SHEET RESULTS (EXAMPLE) ........... 171 .
CHECK SHEET ..................................................... 96 . Inspection Between TCM and Data Link Connector
CHECK SHEET RESULTS (EXAMPLE) ............ 98 . Circuit ................................................................... 180
.
Inspection Between Data Link Connector and ABS Inspection Between Data Link Connector and ABS
Actuator and Electric Unit (Control Unit) Circuit ... 105 . Actuator and Electric Unit (Control Unit) Circuit ... 181 .
ECM Circuit Inspection ........................................ 106 . ECM Circuit Inspection ........................................ 182 .
Data Link Connector Circuit Inspection ............... 107 . TCM Circuit Inspection ......................................... 183 .
BCM Circuit Inspection ........................................ 107 . Data Link Connector Circuit Inspection ................ 183 .
Combination Meter Circuit Inspection .................. 108 . BCM Circuit Inspection ........................................ 184 .
ABS Actuator and Electric Unit (Control Unit) Circuit Combination Meter Circuit Inspection .................. 184 .
Inspection ............................................................ 108
. ABS Actuator and Electric Unit (Control Unit) Circuit
IPDM E/R Circuit Inspection ................................ 109 . Inspection ............................................................. 185
.
CAN Communication Circuit Inspection ............... 110 . IPDM E/R Circuit Inspection ................................ 185 .
IPDM E/R Ignition Relay Circuit Inspection ......... 113 . CAN Communication Circuit Inspection ............... 186 .
CAN SYSTEM (TYPE 4) ........................................ 114 . IPDM E/R Ignition Relay Circuit Inspection .......... 190 .
System Description .............................................. 114 . CAN SYSTEM (TYPE 7) ......................................... 191 .
Component Parts and Harness Connector Location 114 . System Description .............................................. 191 .
Schematic ............................................................ 115
. Component Parts and Harness Connector Location .191
Wiring Diagram -- CAN -- .................................. 116 . Schematic ............................................................ 192.
CHECK SHEET ................................................... 119 . Wiring Diagram -- CAN -- .................................. 193 .
CHECK SHEET RESULTS (EXAMPLE) .......... 121 . CHECK SHEET ................................................... 196 .
Inspection Between Data Link Connector and ABS CHECK SHEET RESULTS (EXAMPLE) ........... 198 .
Actuator and Electric Unit (Control Unit) Circuit ... 128 . Inspection Between TCM and Data Link Connector
ECM Circuit Inspection ........................................ 129 . Circuit ................................................................... 208
.
Data Link Connector Circuit Inspection ............... 130 . Inspection Between Data Link Connector and ABS
BCM Circuit Inspection ........................................ 130 . Actuator and Electric Unit (Control Unit) Circuit ... 209 .
Combination Meter Circuit Inspection .................. 131 . ECM Circuit Inspection ........................................ 210 .
ABS Actuator and Electric Unit (Control Unit) Circuit TCM Circuit Inspection ......................................... 211 .
Inspection ............................................................ 131
. Differential Lock Control Unit Circuit Inspection ... 211 .
IPDM E/R Circuit Inspection ................................ 132 . Data Link Connector Circuit Inspection ................ 212 .
CAN Communication Circuit Inspection ............... 133 . BCM Circuit Inspection ........................................ 212 .
IPDM E/R Ignition Relay Circuit Inspection ......... 136 . Combination Meter Circuit Inspection .................. 213 .
CAN SYSTEM (TYPE 5) ........................................ 137 . ABS Actuator and Electric Unit (Control Unit) Circuit
System Description .............................................. 137 . Inspection ............................................................. 213
.
Component Parts and Harness Connector Location 137 . IPDM E/R Circuit Inspection ................................ 214 .
Schematic ............................................................ 138
. CAN Communication Circuit Inspection ............... 215 .
Wiring Diagram -- CAN -- .................................. 139 . IPDM E/R Ignition Relay Circuit Inspection .......... 219 .
CHECK SHEET ................................................... 142 . CAN SYSTEM (TYPE 8) ......................................... 220 .
CHECK SHEET RESULTS (EXAMPLE) .......... 144 . System Description .............................................. 220 .
Inspection Between TCM and Data Link Connector Component Parts and Harness Connector Location .220
Circuit .................................................................. 153
. Schematic ............................................................ 221.
Revision: November 2005 LAN-2 2005 Frontier
Wiring Diagram -- CAN -- .................................. 222 . CHECK SHEET ................................................... 299 .
CHECK SHEET ................................................... 225 . CHECK SHEET RESULTS (EXAMPLE) .......... 301 . A
CHECK SHEET RESULTS (EXAMPLE) .......... 227 . Inspection Between TCM and Data Link Connector
Inspection Between Data Link Connector and ABS Circuit .................................................................. 311
.
Actuator and Electric Unit (Control Unit) Circuit .. 235 . Inspection Between Data Link Connector and ABS B
ECM Circuit Inspection ........................................ 236 . Actuator and Electric Unit (Control Unit) Circuit .. 312 .
Data Link Connector Circuit Inspection ............... 237 . ECM Circuit Inspection ........................................ 313 .
BCM Circuit Inspection ........................................ 237 . TCM Circuit Inspection ........................................ 314 .
Combination Meter Circuit Inspection ................. 238 . Data Link Connector Circuit Inspection ............... 314 . C
Transfer Control Unit Circuit Inspection .............. 238 . BCM Circuit Inspection ........................................ 315 .
ABS Actuator and Electric Unit (Control Unit) Circuit Combination Meter Circuit Inspection .................. 315 .
Inspection ............................................................ 239
. Transfer Control Unit Circuit Inspection ............... 316 . D
IPDM E/R Circuit Inspection ................................ 239 . ABS Actuator and Electric Unit (Control Unit) Circuit
CAN Communication Circuit Inspection .............. 240 . Inspection ............................................................ 316
.
IPDM E/R Ignition Relay Circuit Inspection ......... 243 . IPDM E/R Circuit Inspection ................................ 317 . E
CAN SYSTEM (TYPE 9) ........................................ 244 . CAN Communication Circuit Inspection .............. 318 .
System Description ............................................. 244 . IPDM E/R Ignition Relay Circuit Inspection ......... 322 .
Component Parts and Harness Connector Location 244 . CAN SYSTEM (TYPE 12) ...................................... 323 .
Schematic ........................................................... 245
. System Description .............................................. 323 . F
Wiring Diagram -- CAN -- .................................. 246 . Component Parts and Harness Connector Location 323 .
CHECK SHEET ................................................... 249 . Schematic ............................................................ 324
.
CHECK SHEET RESULTS (EXAMPLE) .......... 251 . Wiring Diagram -- CAN -- .................................. 325 . G
Inspection Between Data Link Connector and ABS CHECK SHEET ................................................... 328 .
Actuator and Electric Unit (Control Unit) Circuit .. 259 . CHECK SHEET RESULTS (EXAMPLE) .......... 330 .
ECM Circuit Inspection ........................................ 260 . Inspection Between TCM and Data Link Connector H
Data Link Connector Circuit Inspection ............... 261 . Circuit .................................................................. 340
.
BCM Circuit Inspection ........................................ 261 . Inspection Between Data Link Connector and ABS
Combination Meter Circuit Inspection ................. 262 . Actuator and Electric Unit (Control Unit) Circuit .. 341 .
I
Transfer Control Unit Circuit Inspection .............. 262 . ECM Circuit Inspection ........................................ 342 .
ABS Actuator and Electric Unit (Control Unit) Circuit TCM Circuit Inspection ........................................ 343 .
Inspection ............................................................ 263
. Data Link Connector Circuit Inspection ............... 343 .
IPDM E/R Circuit Inspection ................................ 263 . BCM Circuit Inspection ........................................ 344 . J
CAN Communication Circuit Inspection .............. 264 . Combination Meter Circuit Inspection .................. 344 .
IPDM E/R Ignition Relay Circuit Inspection ......... 267 . Transfer Control Unit Circuit Inspection ............... 345 .
CAN SYSTEM (TYPE 10) ...................................... 268 . ABS Actuator and Electric Unit (Control Unit) Circuit LAN
System Description ............................................. 268 . Inspection ............................................................ 345
.
Component Parts and Harness Connector Location 268 . IPDM E/R Circuit Inspection ................................ 346 .
Schematic ........................................................... 269
. CAN Communication Circuit Inspection .............. 347 .
L
Wiring Diagram -- CAN -- .................................. 270 . IPDM E/R Ignition Relay Circuit Inspection ......... 351 .
CHECK SHEET ................................................... 273 . CAN SYSTEM (TYPE 13) ...................................... 352 .
CHECK SHEET RESULTS (EXAMPLE) .......... 275 . System Description .............................................. 352 .
Inspection Between Data Link Connector and ABS Component Parts and Harness Connector Location 352 . M
Actuator and Electric Unit (Control Unit) Circuit .. 284 . Schematic ............................................................ 353
.
ECM Circuit Inspection ........................................ 285 . Wiring Diagram -- CAN -- .................................. 354 .
Differential Lock Control Unit Circuit Inspection .. 286 . CHECK SHEET ................................................... 357 .
Data Link Connector Circuit Inspection ............... 286 . CHECK SHEET RESULTS (EXAMPLE) .......... 359 .
BCM Circuit Inspection ........................................ 287 . Inspection Between TCM and Data Link Connector
Combination Meter Circuit Inspection ................. 287 . Circuit .................................................................. 370
.
Transfer Control Unit Circuit Inspection .............. 288 . Inspection Between Data Link Connector and ABS
ABS Actuator and Electric Unit (Control Unit) Circuit Actuator and Electric Unit (Control Unit) Circuit .. 371 .
Inspection ............................................................ 288
. ECM Circuit Inspection ........................................ 372 .
IPDM E/R Circuit Inspection ................................ 289 . TCM Circuit Inspection ........................................ 373 .
CAN Communication Circuit Inspection .............. 290 . Differential Lock Control Unit Circuit Inspection .. 373 .
IPDM E/R Ignition Relay Circuit Inspection ......... 293 . Data Link Connector Circuit Inspection ............... 374 .
CAN SYSTEM (TYPE 11) ...................................... 294 . BCM Circuit Inspection ........................................ 374 .
System Description ............................................. 294 . Combination Meter Circuit Inspection .................. 375 .
Component Parts and Harness Connector Location 294 . Transfer Control Unit Circuit Inspection ............... 375 .
Schematic ........................................................... 295
. ABS Actuator and Electric Unit (Control Unit) Circuit
Wiring Diagram -- CAN -- .................................. 296 . Inspection ............................................................ 376
.
Revision: November 2005 LAN-3 2005 Frontier
IPDM E/R Circuit Inspection ................................ 376 . CAN SYSTEM (TYPE 15) ....................................... 412 .
CAN Communication Circuit Inspection ............... 377 . System Description .............................................. 412 .
IPDM E/R Ignition Relay Circuit Inspection ......... 381 . Component Parts and Harness Connector Location .412
CAN SYSTEM (TYPE 14) ...................................... 382 . Schematic ............................................................ 413.
System Description .............................................. 382 . Wiring Diagram -- CAN -- .................................. 414 .
Component Parts and Harness Connector Location 382 . CHECK SHEET ................................................... 417 .
Schematic ............................................................ 383
. CHECK SHEET RESULTS (EXAMPLE) ........... 419 .
Wiring Diagram -- CAN -- .................................. 384 . Inspection Between TCM and Data Link Connector
CHECK SHEET ................................................... 387 . Circuit ................................................................... 431
.
CHECK SHEET RESULTS (EXAMPLE) .......... 389 . Inspection Between Data Link Connector and ABS
Inspection Between TCM and Data Link Connector Actuator and Electric Unit (Control Unit) Circuit ... 432 .
Circuit .................................................................. 400
. ECM Circuit Inspection ........................................ 433 .
Inspection Between Data Link Connector and ABS TCM Circuit Inspection ......................................... 434 .
Actuator and Electric Unit (Control Unit) Circuit ... 401 . Differential Lock Control Unit Circuit Inspection ... 434 .
ECM Circuit Inspection ........................................ 402 . Steering Angle Sensor Circuit Inspection ............. 435 .
TCM Circuit Inspection ........................................ 403 . Data Link Connector Circuit Inspection ................ 435 .
Steering Angle Sensor Circuit Inspection ............ 403 . BCM Circuit Inspection ........................................ 436 .
Data Link Connector Circuit Inspection ............... 404 . Combination Meter Circuit Inspection .................. 436 .
BCM Circuit Inspection ........................................ 404 . Transfer Control Unit Circuit Inspection ............... 437 .
Combination Meter Circuit Inspection .................. 405 . ABS Actuator and Electric Unit (Control Unit) Circuit
Transfer Control Unit Circuit Inspection ............... 405 . Inspection ............................................................. 437
.
ABS Actuator and Electric Unit (Control Unit) Circuit IPDM E/R Circuit Inspection ................................ 438 .
Inspection ............................................................ 406
. CAN Communication Circuit Inspection ............... 439 .
IPDM E/R Circuit Inspection ................................ 406 . IPDM E/R Ignition Relay Circuit Inspection .......... 443 .
CAN Communication Circuit Inspection ............... 407 .
IPDM E/R Ignition Relay Circuit Inspection ......... 411 .
Revision: November 2005 LAN-4 2005 Frontier
PRECAUTIONS
[CAN]
PRECAUTIONS PFP:00001
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" UKS003L0
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
G 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
G 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
G 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 UKS003L1
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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