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 ............................................... 5
PRECAUTIONS ................................................... 5
Precautions for Trouble Diagnosis ............................5
Precautions for Harness Repair ................................5
SYSTEM DESCRIPTION .............................. 6
CAN COMMUNICATION SYSTEM ..................... 6
System Description ...................................................6
System Diagram ........................................................6
CAN Communication Control Circuit .........................7
DIAG ON CAN ..................................................... 8
Description ................................................................8
System Diagram ........................................................8
TROUBLE DIAGNOSIS ...................................... 9
Condition of Error Detection ......................................9
Symptom When Error Occurs in CAN Communi-
cation System ............................................................
9
CAN Diagnosis with CONSULT-III ..........................12
Self-Diagnosis .........................................................13
CAN Diagnostic Support Monitor ............................13
How to Use CAN Communication Signal Chart ......15
BASIC INSPECTION ...................................16
DIAGNOSIS AND REPAIR WORKFLOW .........16
Trouble Diagnosis Flow Chart .................................16
Trouble Diagnosis Procedure ..................................16
CAN
HOW TO USE THIS MANUAL .....................
21
HOW TO USE THIS SECTION ...........................21
Caution ....................................................................21
Abbreviation List ......................................................21
PRECAUTION ..............................................22
PRECAUTIONS .................................................22
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .................................................................
22
Service Procedure Precautions for Models with a
Pop-up Roll Bar .......................................................
22
Precaution for Battery Service .................................22
Precautions for Trouble Diagnosis ..........................22
Precautions for Harness Repair ..............................23
BASIC INSPECTION ...................................24
DIAGNOSIS AND REPAIR WORKFLOW ........24
Interview Sheet ........................................................24
SYSTEM DESCRIPTION .............................25
CAN COMMUNICATION SYSTEM ...................25
CAN System Specification Chart .............................25
CAN Communication Signal Chart ..........................25
DTC/CIRCUIT DIAGNOSIS .........................29
CAN COMMUNICATION SYSTEM ...................29
Component Parts Location ......................................29
Wiring Diagram - CAN SYSTEM - ...........................30
MALFUNCTION AREA CHART ........................36
Main Line .................................................................36
Branch Line .............................................................36
Short Circuit .............................................................36
MAIN LINE BETWEEN AV AND DLC CIR-
CUIT ..................................................................
37
Diagnosis Procedure ...............................................37
MAIN LINE BETWEEN DLC AND ADP CIR-
CUIT ..................................................................
38
Diagnosis Procedure ...............................................38
MAIN LINE BETWEEN ADP AND ABS CIR-
CUIT ..................................................................
39
Revision: 2010 March 2009 G37 Convertible
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