Page 3785 of 4179
CAN COMMUNICATION
LAN-7
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
*1: YD engine models only
*2: QR engine models only
TYPE 5
System diagram
Input/output signal chart
T: Transmit R: Receive MI signal TR
Glow indicator lamp signal*
1TR
Steering angle sensor signal R TSignals ECMESP/TCS/ABS
control unitSteering angle
sensor4WD control
unitCombination
meter
PKIA9635E
Signals ECM TCMESP/TCS/
ABS control
unitSteering
angle sensor4WD control
unitCombination
meter
Stop lamp switch signalRT
TR
P·N range signal R T
A/T position indicator lamp signal T R R
O/D OFF indicator signal T R
Overdrive control switch signal R T
Closed throttle position signal T R
Wide open throttle position signal T R
Engine speed signal T R R R
Engine coolant temperature signal TR
Accelerator pedal position signal T R R
Output shaft revolution signal R T
A/C compressor feedback signal TR
Vehicle speed signalTRR
RT
ABS warning lamp signal T R
Brake warning lamp signal T R
Page 3786 of 4179
LAN-8
[CAN]
CAN COMMUNICATION
SLIP indicator lamp signal T R
ESP OFF indicator lamp signal T R
4WD warning lamp signalTR
4WD mode indicator lamp signalTR
Parking brake switch signalRT
MI signal TR
Steering angle sensor signal R T
Engine and A/T integratedTR
RT
A/T self-diagnosis signal R TSignals ECM TCMESP/TCS/
ABS control
unitSteering
angle sensor4WD control
unitCombination
meter
Page 3787 of 4179
CAN SYSTEM (TYPE 1)
LAN-9
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
CAN SYSTEM (TYPE 1)PFP:23710
System DescriptionEKS00F07
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
Component Parts and Harness Connector LocationEKS00F08
SKIA9768E
Page 3788 of 4179
LAN-10
[CAN]
CAN SYSTEM (TYPE 1)
Wiring Diagram — CAN —EKS00F09
TKWB0106E
Page 3789 of 4179
CAN SYSTEM (TYPE 1)
LAN-11
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
TKWB0107E
Page 3790 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual LAN-12
[CAN]
CAN SYSTEM (TYPE 1)
Work FlowEKS00F0A
1. Print all the data of “SELF-DIAG RESULTS” for “ENGINE”, “ABS” and “ALL MODE AWD/4WD” displayed
on CONSULT-II.
2. Print all the d NISSAN X-TRAIL 2003 Service Repair Manual LAN-12
[CAN]
CAN SYSTEM (TYPE 1)
Work FlowEKS00F0A
1. Print all the data of “SELF-DIAG RESULTS” for “ENGINE”, “ABS” and “ALL MODE AWD/4WD” displayed
on CONSULT-II.
2. Print all the d](/manual-img/5/57404/w960_57404-3789.png)
LAN-12
[CAN]
CAN SYSTEM (TYPE 1)
Work FlowEKS00F0A
1. Print all the data of “SELF-DIAG RESULTS” for “ENGINE”, “ABS” and “ALL MODE AWD/4WD” displayed
on CONSULT-II.
2. Print all the data of “CAN DIAG SUPPORT MNTR” for “ENGINE”, “ABS” and “ALL MODE AWD/4WD” dis-
played on CONSULT-II.
3. Attach the printed sheet of “SELF-DIAG RESULTS” and “CAN DIAG SUPPORT MNTR” onto the check
sheet. Refer to LAN-13, "
CHECK SHEET" .
4. Based on the “CAN DIAG SUPPORT MNTR” results, put marks “v” onto the items with “NG” or “UNKWN”
in the check sheet table. Refer to LAN-13, "
CHECK SHEET" .
NOTE:
If a check mark is put on “NG” on “INITIAL DIAG (Initial diagnosis)”, replace the control unit.
The “CAN DIAG SUPPORT MNTR” items, which are not in check sheet table, are not related to diag-
nostic procedure on service manual.
So it is not necessary to check the status of the “CAN DIAG SUPPORT MNTR” items not in check
sheet table.
5. According to the check sheet results (example), start inspection. Refer to LAN-14, "
CHECK SHEET
RESULTS (EXAMPLE)" .
PKIA8260E
PKIA8343E
Page 3791 of 4179
CAN SYSTEM (TYPE 1)
LAN-13
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
CHECK SHEET
NOTE:
If a check mark is put on “NG” on “INITIAL DIAG (Initial diagnosis)”, replace the control unit.
PKIA9598E
Page 3792 of 4179
LAN-14
[CAN]
CAN SYSTEM (TYPE 1)
CHECK SHEET RESULTS (EXAMPLE)
NOTE:
If a check mark is put on “NG” on “INITIAL DIAG (Initial diagnosis)”, replace the control unit.
Case 1
Check harness between ABS actuator and electric unit (control unit) and 4WD control unit. Refer to LAN-19,
"Between ABS Actuator and Electric Unit (Control Unit) and 4WD Control Unit Circuit Inspection" .
PKIA9599E
PKIA6502E