2005 INFINITI FX35 Service Manual

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Page 3417 of 4731

INFINITI FX35 2005 Service Manual IP-16
INSTRUMENT PANEL ASSEMBLY
Revision: 2005 July 2005 FX
(X) Side Ventilation (RH/LH)
1. Insert a remover into gaps between instrument panel and pad,
pull back to your side, and disconnect metal c

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INFINITI FX35 2005 Service Manual INSTRUMENT PANEL ASSEMBLY IP-17
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Disassembly
1. Remove screws with power tool and remove instrument ashtray and hazard switch.
2. R

Page 3419 of 4731

INFINITI FX35 2005 Service Manual IP-18
INSTRUMENT PANEL ASSEMBLY
Revision: 2005 July 2005 FX
4. Remove screws with power tool and remove console lid.
5. Remove screws fixing DVD player with power tool.
6. Disconnect harness connecto

Page 3420 of 4731

INFINITI FX35 2005 Service Manual LAN-1
LAN SYSTEM
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CONTENTS
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SECTION LAN
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LAN SYSTEM
CAN
PRECAUTIONS .....................................................

LAN-1
LAN SYSTEM
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CONTENTS
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SECTION LAN
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LAN
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LAN SYSTEM
CAN
PRECAUTIONS .......................................................... 5
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 5
Precautions When Using CONSULT-II ................ ..... 5
CHECK POINTS FOR USING CONSULT-II .... ..... 5
Precautions For Trouble Diagnosis ..................... ..... 5
CAN SYSTEM .................................................. ..... 5
Precautions For Harness Repair ......................... ..... 6
CAN SYSTEM .................................................. ..... 6
TROUBLE DIAGNOSES WORK FLOW ............... ..... 7
When Displaying CAN Communication System
Errors .................................................................. ..... 7
WHEN A MALFUNCTION IS DETECTED BY
CAN COMMUNICATION SYSTEM .................. ..... 7
WHEN A MALFUNCTION IS DETECTED
EXCEPT CAN COMMUNICATION SYSTEM ... ..... 7
TROUBLE DIAGNOSIS FLOW CHART .......... ..... 8
Diagnosis Procedure ........................................... ..... 9
SELECTING CAN SYSTEM TYPE (HOW TO
USE SPECIFICATION TABLE) ........................ ..... 9
ACQUISITION OF DATA BY CONSULT-II ....... ... 10
HOW TO USE CHECK SHEET TABLE ........... .... 11
CAN Diagnostic Support Monitor ........................ ... 18
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR ECM ............................ ... 18
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR TCM ............................ ... 19
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR DISPLAY CONTROL
UNIT ................................................................. ... 20
DESCRIPTION OF “CAN DIAG MNTR” SCREEN
FOR DISPLAY UNIT ........................................ ... 21
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR AWD CONTROL UNIT ... 22
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR ICC UNIT .................... ... 23
DESCRIPTION OF “CAN DIAG SUPPORT MNTR” SCREEN FOR INTELLIGENT KEY UNIT
... 24
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR BCM ............................ ... 25
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR LDW CAMERA UNIT ... ... 26
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR UNIFIED METER AND A/
C AMP. .............................................................. ... 27
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR ABS ACTUATOR AND
ELECTRIC UNIT (CONTROL UNIT) ................ ... 28
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR DRIVER SEAT CON-
TROL UNIT ...................................................... ... 28
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR IPDM E/R .................... ... 29
CAN COMMUNICATION ........................................ ... 30
System Description .............................................. ... 30
CAN Communication Unit .................................... ... 30
TYPE 1/TYPE 2/TYPE 9 .................................. ... 30
TYPE 3/TYPE 4 ................................................ ... 34
TYPE 5/TYPE 6/TYPE 10 ................................ ... 38
TYPE 7/TYPE 8 ................................................ ... 42
CAN SYSTEM (TYPE 1) ........................................ ... 47
Component Parts and Harness Connector Location ... 47
Schematic ............................................................ ... 48
Wiring Diagram - CAN - ....................................... ... 49
Check Sheet ........................................................ ... 52
CHECK SHEET RESULTS (EXAMPLE) .......... ... 54
Inspection Between TCM and Data Link Connector
Circuit .................................................................. ... 70
Inspection Between Data Link Connector and Uni-
fied Meter and A/C Amp. Circuit .......................... ... 71
Inspection Between Unified Meter and A/C Amp.
and ABS Actuator and Electric Unit (Control Unit)
Circuit .................................................................. ... 71
Inspection Between ABS Actuator and Electric Unit
(Control Unit) and Driver Seat Control Unit Circuit ... 72
ECM Circuit Inspection ........................................ ... 73
TCM Circuit Inspection ........................................ ... 73

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INFINITI FX35 2005 Service Manual LAN-2Revision: 2005 July 2005 FX
Display Unit Circuit Inspection .............................
... 74
Data Link Connector Circuit Inspection ............... ... 74
BCM Circuit Inspection .....

LAN-2Revision: 2005 July 2005 FX
Display Unit Circuit Inspection .............................
... 74
Data Link Connector Circuit Inspection ............... ... 74
BCM Circuit Inspection ........................................ ... 75
Steering Angle Sensor Circuit Inspection ............ ... 75
Unified Meter and A/C Amp. Circuit Inspection ... ... 76
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection ............................................................ ... 76
Driver Seat Control Unit Circuit Inspection .......... ... 77
IPDM E/R Circuit Inspection ................................ ... 78
CAN Communication Circuit Inspection ............... ... 78
IPDM E/R Ignition Relay Circuit Inspection ......... ... 84
CAN SYSTEM (TYPE 2) ........................................ ... 85
Component Parts and Harness Connector Location ... 85
Schematic ............................................................ ... 86
Wiring Diagram - CAN - ....................................... ... 87
Check Sheet ........................................................ ... 90
CHECK SHEET RESULTS (EXAMPLE) .......... ... 93
Inspection Between TCM and Data Link Connector
Circuit .................................................................. .110
Inspection Between Data Link Connector and Uni-
fied Meter and A/C Amp. Circuit .......................... ..111
Inspection Between Unified Meter and A/C Amp.
and ABS Actuator and Electric Unit (Control Unit)
Circuit .................................................................. ..111
Inspection Between ABS Actuator and Electric Unit
(Control Unit) and Driver Seat Control Unit Circuit .112
ECM Circuit Inspection ........................................ .113
TCM Circuit Inspection ........................................ .113
Display Unit Circuit Inspection ............................. .114
Data Link Connector Circuit Inspection ............... .114
BCM Circuit Inspection ........................................ .115
Steering Angle Sensor Circuit Inspection ............ .115
LDW Camera Unit Circuit Inspection ................... .116
Unified Meter and A/C Amp. Circuit Inspection ... .117
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection ............................................................ .117
Driver Seat Control Unit Circuit Inspection .......... .118
IPDM E/R Circuit Inspection ................................ .118
CAN Communication Circuit Inspection ............... .119
IPDM E/R Ignition Relay Circuit Inspection ......... .125
CAN SYSTEM (TYPE 3) ........................................ .126
Component Parts and Harness Connector Location .126
Schematic ............................................................ .127
Wiring Diagram - CAN - ....................................... .128
Check Sheet ........................................................ .131
CHECK SHEET RESULTS (EXAMPLE) .......... .135
Inspection Between TCM and Data Link Connector
Circuit .................................................................. .154
Inspection Between Data Link Connector and Uni-
fied Meter and A/C Amp. Circuit .......................... .155
Inspection Between Unified Meter and A/C Amp.
and ABS Actuator and Electric Unit (Control Unit)
Circuit .................................................................. .155
Inspection Between ABS Actuator and Electric Unit
(Control Unit) and Driver Seat Control Unit Circuit .156
ECM Circuit Inspection ........................................ .157
TCM Circuit Inspection ........................................ .157
Display Control Unit Circuit Inspection ................ .158
ICC Unit Circuit Inspection .................................. .158 Intelligent Key Unit Circuit Inspection ..................
.159
Data Link Connector Circuit Inspection ................ .159
BCM Circuit Inspection ........................................ .160
Steering Angle Sensor Circuit Inspection ............. .160
Unified Meter and A/C Amp. Circuit Inspection .... .161
ICC Sensor Circuit Inspection .............................. .161
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection ............................................................. .162
Driver Seat Control Unit Circuit Inspection .......... .162
IPDM E/R Circuit Inspection ................................ .163
CAN Communication Circuit Inspection ............... .164
IPDM E/R Ignition Relay Circuit Inspection .......... .170
CAN SYSTEM (TYPE 4) ......................................... .171
Component Parts and Harness Connector Location .171
Schematic ............................................................ .172
Wiring Diagram - CAN - ....................................... .173
Check Sheet ........................................................ .176
CHECK SHEET RESULTS (EXAMPLE) ........... .180
Inspection Between TCM and Data Link Connector
Circuit ................................................................... .200
Inspection Between Data Link Connector and Uni-
fied Meter and A/C Amp. Circuit .......................... .201
Inspection Between Unified Meter and A/C Amp.
and ABS Actuator and Electric Unit (Control Unit)
Circuit ................................................................... .201
Inspection Between ABS Actuator and Electric Unit
(Control Unit) and Driver Seat Control Unit Circuit .202
ECM Circuit Inspection ........................................ .203
TCM Circuit Inspection ......................................... .203
Display Control Unit Circuit Inspection ................. .204
ICC Unit Circuit Inspection ................................... .204
Intelligent Key Unit Circuit Inspection .................. .205
Data Link Connector Circuit Inspection ................ .205
BCM Circuit Inspection ........................................ .206
Steering Angle Sensor Circuit Inspection ............. .206
LDW Camera Unit Circuit Inspection ................... .207
Unified Meter and A/C Amp. Circuit Inspection .... .208
ICC Sensor Circuit Inspection .............................. .208
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection ............................................................. .209
Driver Seat Control Unit Circuit Inspection .......... .209
IPDM E/R Circuit Inspection ................................ .210
CAN Communication Circuit Inspection ............... .211
IPDM E/R Ignition Relay Circuit Inspection .......... .218
CAN SYSTEM (TYPE 5) ......................................... .219
Component Parts and Harness Connector Location .219
Schematic ............................................................ .220
Wiring Diagram - CAN - ....................................... .221
Check Sheet ........................................................ .224
CHECK SHEET RESULTS (EXAMPLE) ........... .227
Inspection Between TCM and Data Link Connector
Circuit ................................................................... .244
Inspection Between Data Link Connector and Uni-
fied Meter and A/C Amp. Circuit .......................... .245
Inspection Between Unified Meter and A/C Amp.
and ABS Actuator and Electric Unit (Control Unit)
Circuit ................................................................... .245
Inspection Between ABS Actuator and Electric Unit
(Control Unit) and Driver Seat Control Unit Circuit .246

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INFINITI FX35 2005 Service Manual LAN-3
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ECM Circuit Inspection ........................................
. 247
TCM Circuit Inspection ............................

LAN-3
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ECM Circuit Inspection ........................................
. 247
TCM Circuit Inspection ........................................ . 247
Display Unit Circuit Inspection ............................ . 248
AWD Control Unit Circuit Inspection ................... . 248
Data Link Connector Circuit Inspection ............... . 249
BCM Circuit Inspection ........................................ . 249
Steering Angle Sensor Circuit Inspection ............ . 250
Unified Meter and A/C Amp. Circuit Inspection ... . 250
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection ............................................................ . 251
Driver Seat Control Unit Circuit Inspection .......... . 251
IPDM E/R Circuit Inspection ................................ . 252
CAN Communication Circuit Inspection .............. . 253
IPDM E/R Ignition Relay Circuit Inspection ......... . 259
CAN SYSTEM (TYPE 6) ........................................ . 260
Component Parts and Harness Connector Location . 260
Schematic ........................................................... . 261
Wiring Diagram - CAN - ...................................... . 262
Check Sheet ........................................................ . 265
CHECK SHEET RESULTS (EXAMPLE) .......... . 269
Inspection Between TCM and Data Link Connector
Circuit .................................................................. . 287
Inspection Between Data Link Connector and Uni-
fied Meter and A/C Amp. Circuit .......................... . 288
Inspection Between Unified Meter and A/C Amp.
and ABS Actuator and Electric Unit (Control Unit)
Circuit .................................................................. . 288
Inspection Between ABS Actuator and Electric Unit
(Control Unit) and Driver Seat Control Unit Circuit . 289
ECM Circuit Inspection ........................................ . 290
TCM Circuit Inspection ........................................ . 290
Display Unit Circuit Inspection ............................ . 291
AWD Control Unit Circuit Inspection ................... . 291
Data Link Connector Circuit Inspection ............... . 292
BCM Circuit Inspection ........................................ . 292
Steering Angle Sensor Circuit Inspection ............ . 293
LDW Camera Unit Circuit Inspection .................. . 293
Unified Meter and A/C Amp. Circuit Inspection ... . 294
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection ............................................................ . 295
Driver Seat Control Unit Circuit Inspection .......... . 295
IPDM E/R Circuit Inspection ................................ . 296
CAN Communication Circuit Inspection .............. . 297
IPDM E/R Ignition Relay Circuit Inspection ......... . 303
CAN SYSTEM (TYPE 7) ........................................ . 304
Component Parts and Harness Connector Location . 304
Schematic ........................................................... . 305
Wiring Diagram - CAN - ...................................... . 306
Check Sheet ........................................................ . 309
CHECK SHEET RESULTS (EXAMPLE) .......... . 313
Inspection Between TCM and Data Link Connector
Circuit .................................................................. . 333
Inspection Between Data Link Connector and Uni-
fied Meter and A/C Amp. Circuit .......................... . 334
Inspection Between Unified Meter and A/C Amp.
and ABS Actuator and Electric Unit (Control Unit)
Circuit .................................................................. . 334
Inspection Between ABS Actuator and Electric Unit
(Control Unit) and Driver Seat Control Unit Circuit . 335 ECM Circuit Inspection ........................................
.336
TCM Circuit Inspection ........................................ .336
Display Control Unit Circuit Inspection ................ .337
AWD Control Unit Circuit Inspection .................... .337
ICC Unit Circuit Inspection .................................. .338
Intelligent Key Unit Circuit Inspection .................. .338
Data Link Connector Circuit Inspection ............... .339
BCM Circuit Inspection ........................................ .339
Steering Angle Sensor Circuit Inspection ............ .340
Unified Meter and A/C Amp. Circuit Inspection ... .340
ICC Sensor Circuit Inspection ............................. .341
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection ............................................................ .341
Driver Seat Control Unit Circuit Inspection .......... .342
IPDM E/R Circuit Inspection ................................ .343
CAN Communication Circuit Inspection .............. .344
IPDM E/R Ignition Relay Circuit Inspection ......... .350
CAN SYSTEM (TYPE 8) ........................................ .351
Component Parts and Harness Connector Location .351
Schematic ............................................................ .352
Wiring Diagram - CAN - ....................................... .353
Check Sheet ........................................................ .356
CHECK SHEET RESULTS (EXAMPLE) .......... .360
Inspection Between TCM and Data Link Connector
Circuit .................................................................. .381
Inspection Between Data Link Connector and Uni-
fied Meter and A/C Amp. Circuit .......................... .382
Inspection Between Unified Meter and A/C Amp.
and ABS Actuator and Electric Unit (Control Unit)
Circuit .................................................................. .382
Inspection Between ABS Actuator and Electric Unit
(Control Unit) and Driver Seat Control Unit Circuit .383
ECM Circuit Inspection ........................................ .384
TCM Circuit Inspection ........................................ .384
Display Control Unit Circuit Inspection ................ .385
AWD Control Unit Circuit Inspection .................... .385
ICC Unit Circuit Inspection .................................. .386
Intelligent Key Unit Circuit Inspection .................. .386
Data Link Connector Circuit Inspection ............... .387
BCM Circuit Inspection ........................................ .387
Steering Angle Sensor Circuit Inspection ............ .388
LDW Camera Unit Circuit Inspection ................... .388
Unified Meter and A/C Amp. Circuit Inspection ... .389
ICC Sensor Circuit Inspection ............................. .390
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection ............................................................ .390
Driver Seat Control Unit Circuit Inspection .......... .391
IPDM E/R Circuit Inspection ................................ .391
CAN Communication Circuit Inspection .............. .392
IPDM E/R Ignition Relay Circuit Inspection ......... .399
CAN SYSTEM (TYPE 9) ........................................ .400
Component Parts and Harness Connector Location .400
Schematic ............................................................ .401
Wiring Diagram - CAN - ....................................... .402
Check Sheet ........................................................ .405
CHECK SHEET RESULTS (EXAMPLE) .......... .407
Inspection Between TCM and Data Link Connector
Circuit .................................................................. .421
Inspection Between Data Link Connector and Uni-

Page 3423 of 4731

INFINITI FX35 2005 Service Manual LAN-4Revision: 2005 July 2005 FX
fied Meter and A/C Amp. Circuit ..........................
.422
Inspection Between Unified Meter and A/C Amp.
and ABS Actuator and Electric Unit (Control Unit)
C

LAN-4Revision: 2005 July 2005 FX
fied Meter and A/C Amp. Circuit ..........................
.422
Inspection Between Unified Meter and A/C Amp.
and ABS Actuator and Electric Unit (Control Unit)
Circuit .................................................................. .422
ECM Circuit Inspection ........................................ .423
TCM Circuit Inspection ........................................ .423
Display Unit Circuit Inspection ............................. .424
Data Link Connector Circuit Inspection ............... .424
BCM Circuit Inspection ........................................ .425
Steering Angle Sensor Circuit Inspection ............ .425
Unified Meter and A/C Amp. Circuit Inspection ... .426
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection ............................................................ .426
IPDM E/R Circuit Inspection ................................ .427
CAN Communication Circuit Inspection ............... .428
IPDM E/R Ignition Relay Circuit Inspection ......... .433
CAN SYSTEM (TYPE 10) ...................................... .434
Component Parts and Harness Connector Location .434
Schematic ............................................................ .435
Wiring Diagram - CAN - ....................................... .436
Check Sheet ........................................................ .439 CHECK SHEET RESULTS (EXAMPLE) ...........
.441
Inspection Between TCM and Data Link Connector
Circuit ................................................................... .456
Inspection Between Data Link Connector and Uni-
fied Meter and A/C Amp. Circuit .......................... .457
Inspection Between Unified Meter and A/C Amp.
and ABS Actuator and Electric Unit (Control Unit)
Circuit ................................................................... .457
ECM Circuit Inspection ........................................ .458
TCM Circuit Inspection ......................................... .458
Display Unit Circuit Inspection ............................. .459
AWD Control Unit Circuit Inspection .................... .459
Data Link Connector Circuit Inspection ................ .460
BCM Circuit Inspection ........................................ .460
Steering Angle Sensor Circuit Inspection ............. .461
Unified Meter and A/C Amp. Circuit Inspection .... .461
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection ............................................................. .462
IPDM E/R Circuit Inspection ................................ .462
CAN Communication Circuit Inspection ............... .463
IPDM E/R Ignition Relay Circuit Inspection .......... .469

Page 3424 of 4731

INFINITI FX35 2005 Service Manual PRECAUTIONS LAN-5
[CAN]
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[CAN]PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
B

PRECAUTIONS LAN-5
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[CAN]PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
AKS00FCW
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
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
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:
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.
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.
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.
Precautions When Using CONSULT-IIAKS0058H
When connecting CONSULT-II to data link connector, connect them through CONSULT-II CONVERTER.
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.
CHECK POINTS FOR USING CONSULT-II
1. Has CONSULT-II been used without connecting CONSULT-II CONVERTER on this vehicle?
–If YES, GO TO 2.
–If NO, GO TO 5.
2. Is there any indication other than indications relating to CAN communication system in the self-diagnosis results?
–If YES, GO TO 3.
–If NO, GO TO 4.
3. Based on self-diagnosis results unrelated to CAN communication, carry out the inspection.
4. Malfunctions may be detected in self-diagnosis depending on control units carrying out CAN communica- tion. Therefore, erase the self-diagnosis results.
5. Diagnose CAN communication system. Refer to LAN-7, "
TROUBLE DIAGNOSES WORK FLOW" .
Precautions For Trouble DiagnosisAKS0058I
CAN SYSTEM
Do not apply voltage of 7.0 V or higher to the measurement terminals.
Use the tester with its open terminal voltage being 7.0 V or less.
Be sure to turn ignition switch OFF and disconnect the battery cable from the negative terminal before
checking the circuit.

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