Infiniti G37 2009 User Manual

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

Infiniti G37 2009 Specifications

General

Brand	Infiniti
Model	G37 2009
Category	Automobile
Language	English

Summary

PRECAUTIONS (CAN FUNDAMENTAL)

Precautions for Trouble Diagnosis

Guidelines for safe and accurate trouble diagnosis procedures.

Precautions for Harness Repair

Guidelines for safe and proper repair of vehicle harnesses.

SYSTEM DESCRIPTION (CAN FUNDAMENTAL)

CAN COMMUNICATION SYSTEM

Overview of the CAN communication system's architecture and function.

CAN Communication Control Circuit

Details on the circuit controlling CAN communication signals.

DIAG ON CAN (CAN FUNDAMENTAL)

Description

Explanation of diagnostic procedures using CAN communication.

TROUBLE DIAGNOSIS (CAN FUNDAMENTAL)

Condition of Error Detection

Criteria and conditions for detecting CAN communication errors.

Symptom When Error Occurs in CAN Communication System

Observable symptoms when CAN communication errors occur.

HOW TO USE THIS MANUAL

HOW TO USE THIS SECTION

Guidance on utilizing this specific section of the manual effectively.

PRECAUTIONS (General)

General Safety and Service Precautions

Covers SRS, power tools, pop-up roll bars, and battery service safety guidelines.

Diagnosis and Repair Precautions

Specific cautions for trouble diagnosis and harness repair procedures.

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Outline of the systematic approach to diagnosing and repairing issues.

Trouble Diagnosis Procedure

Detailed steps for conducting effective trouble diagnosis.

SYSTEM DESCRIPTION (CAN)

CAN COMMUNICATION SYSTEM

Overview of the CAN system, including its architecture and function.

CAN System Specification Chart

Reference chart detailing different CAN system types based on vehicle specs.

CAN Communication Signal Chart

Chart listing signals transmitted and received within the CAN system.

DTC/CIRCUIT DIAGNOSIS

CAN COMMUNICATION SYSTEM

Diagnosis procedures for CAN communication system DTCs and circuits.

Component Parts Location

Diagram showing the physical location of CAN system components.

Wiring Diagram - CAN SYSTEM -

Schematic illustrating the wiring connections for the CAN system.

MALFUNCTION AREA CHART

Main Line

Identifies malfunctions related to the main CAN communication lines.

Branch Line

Identifies malfunctions within the branch lines of the CAN system.

Short Circuit

Details on diagnosing and resolving short circuit issues in CAN communication.