2003 NISSAN X-TRAIL Service Repair Manual

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Page 3777 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TIME CONTROL UNIT
BCS-7
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BCS

NOTE:
*1: With super lock system.
*2: When seat pressure switch is ON.
*3: Wire color is different depending on vehicle. Each wire color is as foll

Page 3778 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual BCS-8
TIME CONTROL UNIT

Page 3779 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual LAN-1
LAN SYSTEM
K ELECTRICAL
CONTENTS
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SECTION
A
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LAN

LAN SYSTEM
CAN
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Rest

LAN-1
LAN SYSTEM
K ELECTRICAL
CONTENTS
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SECTION
A
B
LAN

LAN SYSTEM
CAN
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 3
Precautions For Trouble Diagnosis .......................... 3
CAN SYSTEM ....................................................... 3
Precautions For Harness Repair .............................. 3
CAN SYSTEM ....................................................... 3
CAN COMMUNICATION ............................................ 4
System Description .................................................. 4
CAN Communication Unit ........................................ 4
TYPE 1 .................................................................. 4
TYPE 2 .................................................................. 5
TYPE 3/TYPE4 ..................................................... 6
TYPE 5 .................................................................. 7
CAN SYSTEM (TYPE 1) ............................................. 9
System Description .................................................. 9
Component Parts and Harness Connector Location ..... 9
Wiring Diagram — CAN — ..................................... 10
Work Flow .............................................................. 12
CHECK SHEET ................................................... 13
CHECK SHEET RESULTS (EXAMPLE) ............. 14
Between ABS Actuator and Electric Unit (Control
Unit) and 4WD Control Unit Circuit Inspection ....... 19
ECM Circuit Inspection ........................................... 20
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection ............................................................... 21
4WD Control Unit Circuit Inspection ....................... 21
Combination Meter Circuit Inspection .................... 22
CAN Communication Circuit Inspection ................. 22
Component Inspection ........................................... 24
CHECK ECM AND COMBINATION METER
INTERNAL CIRCUIT ........................................... 24
CAN SYSTEM (TYPE 2) ........................................... 25
System Description ................................................ 25
Component Parts and Harness Connector Location ... 25
Wiring Diagram — CAN — ..................................... 26
Work Flow .............................................................. 28
CHECK SHEET ................................................... 29CHECK SHEET RESULTS (EXAMPLE) ............. 30
Between TCM and ABS Actuator and Electric Unit
(Control Unit) Circuit Inspection .............................. 37
Between ABS Actuator and Electric Unit (Control
Unit) and 4WD Control Unit Circuit Inspection ....... 39
ECM Circuit Inspection ........................................... 41
TCM Circuit Inspection ........................................... 42
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection ............................................................... 42
4WD Control Unit Circuit Inspection ....................... 43
Combination Meter Circuit Inspection ..................... 43
CAN Communication Circuit Inspection ................. 44
Component Inspection ............................................ 49
CHECK ECM AND COMBINATION METER
INTERNAL CIRCUIT ........................................... 49
CAN SYSTEM (TYPE 3) ........................................... 50
System Description ................................................. 50
Component Parts and Harness Connector Location ... 50
Wiring Diagram — CAN — ..................................... 51
Work Flow ............................................................... 53
CHECK SHEET ................................................... 54
CHECK SHEET RESULTS (EXAMPLE) ............. 55
Between ESP/TCS/ABS Control Unit and 4WD
Control Unit Circuit Inspection ................................ 61
ECM Circuit Inspection ........................................... 62
ESP/TCS/ABS Control Unit Circuit Inspection ....... 63
Steering Angle Sensor Circuit Inspection ............... 63
4WD Control Unit Circuit Inspection ....................... 64
Combination Meter Circuit Inspection ..................... 64
CAN Communication Circuit Inspection ................. 65
Component Inspection ............................................ 67
CHECK ECM AND COMBINATION METER
INTERNAL CIRCUIT ........................................... 67
CAN SYSTEM (TYPE 4) ........................................... 68
System Description ................................................. 68
Component Parts and Harness Connector Location ... 68
Wiring Diagram — CAN — ..................................... 69
Work Flow ............................................................... 71
CHECK SHEET ................................................... 72
CHECK SHEET RESULTS (EXAMPLE) ............. 73

Page 3780 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual LAN-2 Between ESP/TCS/ABS Control Unit and 4WD
Control Unit Circuit Inspection ................................ 79
ECM Circuit Inspection ........................................... 80
ESP/TCS/ABS

Page 3781 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual PRECAUTIONS
LAN-3
[CAN]
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LAN

[CAN]PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EKS001U0
The Supplem

Page 3782 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual LAN-4
[CAN]
CAN COMMUNICATION

CAN COMMUNICATIONPFP:23710
System DescriptionEKS001U3
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
t

Page 3783 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual CAN COMMUNICATION
LAN-5
[CAN]
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LAN

TYPE 2
System diagram
Input/output signal chart
T: Transmit R: Receive ABS warning lamp signal T R
4WD warning lamp signalTR
4WD mode indic

Page 3784 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual LAN-6
[CAN]
CAN COMMUNICATION

TYPE 3/TYPE4
System diagram
Input/output signal chart
T: Transmit R: Receive 4WD warning lamp signalTR
4WD mode indicator lamp signalTR
Parking brake switch signalRT

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