LAN
LAN-1
ELECTRICAL & POWER CONTROL
C
D
E
F
G
H
I
J
K
L
B
SECTION LAN
A
O
P
N
CONTENTS
LAN SYSTEM
CAN FUNDAMENTAL
PRECAUTION ...............................................
3
PRECAUTIONS ................................................... 3
Precaution for Trouble Diagnosis ..............................3
Precaution for Harness Repair ..................................3
SYSTEM DESCRIPTION .............................. 4
CAN COMMUNICATION SYSTEM ..................... 4
System Description ...................................................4
System Diagram ........................................................4
CAN Communication Control Circuit .........................5
DIAG ON CAN ..................................................... 6
Description ................................................................6
System Diagram ........................................................6
TROUBLE DIAGNOSIS ...................................... 7
Condition of Error Detection ......................................7
Symptom When Error Occurs in CAN Communi-
cation System ............................................................
7
Self-Diagnosis .........................................................10
CAN Diagnostic Support Monitor ............................ 10
BASIC INSPECTION ...................................13
DIAGNOSIS AND REPAIR WORKFLOW .........13
Information Needed for Trouble Diagnosis .............13
How to Use CAN Communication Signal Chart ......13
Trouble Diagnosis Flow Chart .................................14
Trouble Diagnosis Procedure ..................................14
CAN
HOW TO USE THIS MANUAL .....................
36
HOW TO USE THIS SECTION ...........................36
Caution ....................................................................36
Abbreviation List ...................................................... 36
PRECAUTION ..............................................37
PRECAUTIONS .................................................37
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .................................................................
37
Precautions for Trouble Diagnosis ..........................37
Precautions for Harness Repair ..............................37
BASIC INSPECTION ...................................39
DIAGNOSIS AND REPAIR WORKFLOW ........39
Interview Sheet ........................................................39
Diagnosis Sheet (CAN Type 1) ...............................40
Diagnosis Sheet (CAN Type 2) ...............................41
Diagnosis Sheet (CAN Type 3) ...............................42
Diagnosis Sheet (CAN Type 4) ...............................43
Diagnosis Sheet (CAN Type 5) ...............................44
Diagnosis Sheet (CAN Type 6) ...............................45
Diagnosis Sheet (CAN Type 7) ...............................46
SYSTEM DESCRIPTION .............................47
CAN COMMUNICATION SYSTEM ...................47
CAN System Specification Chart .............................47
CAN Communication Signal Chart ..........................47
TROUBLE DIAGNOSIS ....................................50
CAN Diagnostic Support Monitor .............................50
DTC Index ...............................................................53
WIRING DIAGRAM ......................................55
CAN SYSTEM ...................................................55
Wiring Diagram ........................................................55
DTC/CIRCUIT DIAGNOSIS .........................61
CAN COMMUNICATION SYSTEM ...................61
Component Parts Location ......................................61
MALFUNCTION AREA CHART ........................62
Main Line .................................................................62
Branch Line .............................................................62
Revision: January 2013 2013 Xterra