LAN-1
LAN SYSTEM
K ELECTRICAL
CONTENTS
C
D
E
F
G
H
I
J
L
M
SECTION LAN
A
B
LAN
Revision: 2006 November2007 350Z
LAN SYSTEM
CAN FUNDAMENTAL
PRECAUTIONS .......................................................... 3
Precautions for Trouble Diagnosis ........................... 3
Precautions for Harness Repair ............................... 3
SYSTEM DESCRIPTION ............................................ 4
CAN Communication System ................................... 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
CAN COMMUNICATION SYSTEM ERROR ......... 7
WHEN INDICATED “U1000” OR “U1001” IS INDI-
CATED EVEN THOUGH CAN COMMUNICA-
TION SYSTEM IS NORMAL ................................. 7
Symptom When Error Occurs in CAN Communi-
cation System ........................................................... 8
ERROR EXAMPLE ............................................... 8
Self-Diagnosis ........................................................ 12
CAN Diagnostic Support Monitor ........................... 13
MONITOR ITEM (CONSULT-III) ......................... 13
MONITOR ITEM (ON-BOARD DIAGNOSIS) ...... 14
TROUBLE DIAGNOSES WORK FLOW .................. 15
Information Needed for Trouble Diagnosis ............. 15
How to Use CAN Communication Signal Chart ..... 15
Trouble Diagnosis Flow Chart ................................ 16
Trouble Diagnosis Procedure ................................. 17
INTERVIEW WITH CUSTOMER ......................... 17
INSPECTION OF VEHICLE CONDITION ........... 18
CHECK OF CAN SYSTEM TYPE (HOW TO USE
CAN SYSTEM TYPE SPECIFICATION CHART) ... 19
CREATE INTERVIEW SHEET ............................ 21
COLLECT DATA ................................................. 22
CREATE DIAGNOSIS SHEET ............................ 24
DETECT THE ROOT CAUSE ............................. 25
CAN
INDEX FOR DTC ....................................................... 40
DTC No. Index ........................................................ 40
HOW TO USE THIS SECTION ................................. 41
Caution ................................................................... 41
Abbreviation List ..................................................... 41
PRECAUTIONS ........................................................ 42
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ................................................................. 42
Precautions for Battery Service .............................. 42
Precautions for Trouble Diagnosis ......................... 42
Precautions for Harness Repair ............................. 42
TROUBLE DIAGNOSIS ............................................ 44
CAN Diagnostic Support Monitor ............................ 44
MONITOR ITEM LIST (CONSULT-III) ................. 44
CAN System Specification Chart ............................ 48
VEHICLE EQUIPMENT IDENTIFICATION
INFORMATION .................................................... 48
CAN Communication Signal Chart ......................... 49
TYPE 1 ................................................................ 49
TYPE 2/TYPE 3 ................................................... 50
TYPE 4/TYPE 5 ................................................... 51
Schematic ............................................................... 54
Wiring Diagram — CAN — ..................................... 55
Interview Sheet ....................................................... 58
CAN System (Type 1) ............................................. 59
DIAGNOSIS SHEET ........................................... 59
CAN System (Type 2) ............................................. 60
DIAGNOSIS SHEET ........................................... 60
CAN System (Type 3) ............................................. 61
DIAGNOSIS SHEET ........................................... 61
CAN System (Type 4) ............................................. 62
DIAGNOSIS SHEET ........................................... 62
CAN System (Type 5) ............................................. 63
DIAGNOSIS SHEET ........................................... 63
Component Parts Location ..................................... 64
Harness Layout ...................................................... 64
Malfunction Area Chart ........................................... 65
MAIN LINE .......................................................... 65
