Nissan Rogue. Manual - part 403
DLN-56
< DTC/CIRCUIT DIAGNOSIS >
[TRANSFER: TY21C]
U1000 CAN COMM CIRCUIT
U1000 CAN COMM CIRCUIT
DTC Description
INFOID:0000000011278342
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 communicate data but selectively reads required data only.
DTC DETECTION LOGIC
POSSIBLE CAUSE
• CAN communication error
• Internal malfunction of AWD control unit
FAIL-SAFE
AWD control changes to front-wheel drive gradually (rear-wheels still have some driving torque), then AWD
control stops, and the vehicle becomes front-wheel drive.
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
DTC REPRODUCTION PROCEDURE
With CONSULT
1. Turn the ignition switch OFF to ON.
2. Perform “Self Diagnostic Result” for “ALL MODE AWD/4WD”.
Is DTC “U1000” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO-1 >> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
.
NO-2 >> Confirmation after repair: Inspection End.
Diagnosis Procedure
INFOID:0000000011278343
LAN-17, "Trouble Diagnosis Flow Chart"
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
U1000
CAN COMM CIRCUIT
(CAN communication circuit)
AWD control unit is not transmitting/receiving CAN commu-
nication signal for 2 seconds or more.