2003 NISSAN TEANA Service Manual

Page 2609 of 3502

NISSAN TEANA 2003  Service Manual SYSTEM DESCRIPTION
LAN-5
[CAN FUNDAMENTAL]
C
D
E
F
G
H
I
J
L
MA
B
LAN
 
CAN COMMUNICATION CONTROL CIRCUIT
*: These are the only control units wired with both ends of CAN communication system.
SKIB8713

Page 2610 of 3502

NISSAN TEANA 2003  Service Manual LAN-6
[CAN FUNDAMENTAL]
SYSTEM DESCRIPTION
 
Diag on CANBKS0040S
DESCRIPTION
“Diag on CAN” is a diagnosis using CAN communication instead of previous DDL1 and DDL2 communication
line, between cont

Page 2611 of 3502

NISSAN TEANA 2003  Service Manual TROUBLE DIAGNOSIS
LAN-7
[CAN FUNDAMENTAL]
C
D
E
F
G
H
I
J
L
MA
B
LAN
 
TROUBLE DIAGNOSISPFP:00004
Condition of Error DetectionBKS0040T
“U1000” or “U1001” is indicated on SELF-DIAG RESULTS on C

Page 2612 of 3502

NISSAN TEANA 2003  Service Manual LAN-8
[CAN FUNDAMENTAL]
TROUBLE DIAGNOSIS
 
Symptom When Error Occurs in CAN Communication SystemBKS0040U
In CAN communication system, multiple units mutually transmit and receive signals. Each unit c

Page 2613 of 3502

NISSAN TEANA 2003  Service Manual TROUBLE DIAGNOSIS
LAN-9
[CAN FUNDAMENTAL]
C
D
E
F
G
H
I
J
L
MA
B
LAN
 
Example: Data link connector branch line open circuit
NOTE:
When data link connector branch line is open, transmission and recep

Page 2614 of 3502

NISSAN TEANA 2003  Service Manual LAN-10
[CAN FUNDAMENTAL]
TROUBLE DIAGNOSIS
 
Example: Main Line Between Data Link Connector and ABS Actuator and Electric Unit (Con-
trol Unit) Open Circuit
SKIB8740E
Unit name Symptom
ECM Engine torq

Page 2615 of 3502

NISSAN TEANA 2003  Service Manual TROUBLE DIAGNOSIS
LAN-11
[CAN FUNDAMENTAL]
C
D
E
F
G
H
I
J
L
MA
B
LAN
 
Example: CAN-H, CAN-L Harness Short Circuit
SKIB8741E
Unit name Symptom
ECM
Engine torque limiting is affected, and shift harsh

Page 2616 of 3502

NISSAN TEANA 2003  Service Manual LAN-12
[CAN FUNDAMENTAL]
TROUBLE DIAGNOSIS
 
Self-DiagnosisBKS0040V
DTCSelf-diagnosis item
 (CONSULT-II indication)DTC detection condition Inspection/Action
U1000 CAN COMM CIRCUITWhen ECM is not trans