Nissan GT-R. Instruction — part 189
LAN-4
< SYSTEM DESCRIPTION >
[CAN FUNDAMENTAL]
CAN COMMUNICATION SYSTEM
CAN Communication Control Circuit
INFOID:0000000009163479
*: These are the only control units wired with both ends of CAN communication system.
SKIB8713E
Component
System description
CAN controller
It controls CAN communication signal transmission and reception, error detection, etc.
Transceiver IC
It converts digital signal into CAN communication signal, and CAN communication signal into digital
signal.
Noise filter
It eliminates noise of CAN communication signal.
Termination circuit
*
(Resistance of approx. 120
Ω
)
It produces potential difference.
LAN
DIAG ON CAN
LAN-5
< SYSTEM DESCRIPTION >
[CAN FUNDAMENTAL]
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DIAG ON CAN
Description
INFOID:0000000009163480
“Diag on CAN” is a diagnosis using CAN communication instead of previous DDL1 and DDL2 communication
lines, between control units and diagnosis unit.
System Diagram
INFOID:0000000009163481
SKIB8714E
Name
Harness
Description
DDL1
Tx
Rx
It is used for trouble diagnosis. (CAN-H and CAN-L are used for controlling)
DDL2
K-LINE
It is used for trouble diagnosis. (CAN-H and CAN-L are used for controlling)
Diag on CAN
CAN-H
CAN-L
It is used for trouble diagnosis and control.
LAN-6
< SYSTEM DESCRIPTION >
[CAN FUNDAMENTAL]
TROUBLE DIAGNOSIS
TROUBLE DIAGNOSIS
How to Use CAN Communication Signal Chart
INFOID:0000000009163487
The CAN communication signal chart lists the signals needed for trouble diagnosis. It is useful for detecting
the root cause by finding a signal related to the symptom, and by checking transmission and reception unit.
SKIB8715E
LAN
HOW TO USE THIS SECTION
LAN-7
< HOW TO USE THIS MANUAL >
[CAN]
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HOW TO USE THIS MANUAL
HOW TO USE THIS SECTION
Caution
INFOID:0000000009163490
This section describes information peculiar to a vehicle and inspection procedures.
Abbreviation List
INFOID:0000000009163491
Unit name abbreviations in CONSULT CAN diagnosis and in this section are as per the following list.
Abbreviation
Unit name
4WD
AWD control unit
A-BAG
Air bag diagnosis sensor unit
ABS
ABS actuator and electric unit (control unit)
AV
AV control unit
BCM
BCM
DLC
Data link connector
ECM
ECM
E-SUS
E-SUS control unit
HVAC
A/C auto amp.
IPDM-E
IPDM E/R
M&A
Combination meter
STRG
Steering angle sensor
TCM
TCM
TPMS
Low tire pressure warning control unit
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