Nissan Qashqai J11. Manual — part 679
U0140 LOST COMMUNICATION (BCM)
TM-291
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F10D]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
U0140 LOST COMMUNICATION (BCM)
DTC Logic
INFOID:0000000010589274
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PREPARATION BEFORE WORK
If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1.
Start the engine and wait for at least 5 seconds.
2.
Check the DTC.
Is “U0140” detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010589275
For the diagnosis procedure, refer to
LAN-24, "Trouble Diagnosis Flow Chart"
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
U0140
LOST COMM (BCM)
(Lost Communication With
Body Control Module)
When the ignition switch is ON, TCM is unable
to receive the CAN communications signal
from BCM continuously for 2 seconds or more.
• BCM
• Harness or connector
(CAN communication line is open or
shorted)
TM-292
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F10D]
U0141 LOST COMMUNICATION (BCM A)
U0141 LOST COMMUNICATION (BCM A)
DTC Logic
INFOID:0000000010589276
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PREPARATION BEFORE WORK
If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1.
Start the engine and wait for at least 5 seconds.
2.
Check the DTC.
Is “U0141” detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010589277
For the diagnosis procedure, refer to
LAN-24, "Trouble Diagnosis Flow Chart"
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
U0141
LOST COMM (BCM A)
(Lost Communication With
Body Control Module A)
When the ignition switch is turned ON, TCM
continues no reception of the CAN communi-
cation signal from IPDM E/R for 2 seconds or
more.
• IPDM E/R
• Harness or connector
(CAN communication line is open or
shorted)
U0155 LOST COMMUNICATION (IPC)
TM-293
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F10D]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
U0155 LOST COMMUNICATION (IPC)
DTC Logic
INFOID:0000000010589278
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PREPARATION BEFORE WORK
If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1.
Start the engine and wait for at least 5 seconds.
2.
Check the DTC.
Is “U0155” detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010589279
For the diagnosis procedure, refer to
LAN-24, "Trouble Diagnosis Flow Chart"
DTC
CONSULT screen terms
[Trouble diagnosis content]
DTC detection condition
Possible causes
U0155
LOST COMM (IPC)
[Lost Communication With In-
strument Panel Cluster (IPC)
Control Module]
When the ignition switch is ON, TCM is unable
to receive the CAN communications signal
from the combination meter continuously for 2
seconds or more.
• Combination meter
• Harness or connector
(CAN communication line is open or
shorted)
TM-294
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F10D]
U0300 CAN COMMUNICATION DATA
U0300 CAN COMMUNICATION DATA
DTC Logic
INFOID:0000000010589280
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PREPARATION BEFORE WORK
If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at
least 10 seconds, then perform the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT
1.
Start the engine and wait for 5 seconds or more.
2.
Check the DTC.
Is “U0300” detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010589281
1.
CONTROL UNIT CHECK
Check the number of control units replaced before “U0300” is detected.
Is one control unit replaced?
YES
>> The specification of the control unit replaced may be incorrect. Check the part number and the
specification.
NO
>> GO TO 2.
2.
CONTROL UNIT CHECK
With CONSULT
1.
Remove one of the control unit replaced.
2.
Assemble the old control unit before replacement.
3.
Turn ignition switch ON, and wait for 2 seconds or more.
4.
Select “Self Diagnostic Results” in “TRANSMISSION”.
Is “U0300”detected?
YES
>> Turn OFF the ignition switch and check other control units in the same manner.
NO
>> The specification of the control unit removed may be incorrect. Check the part number and the
specification.
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
U0300
CAN COMM DATA
(Internal Control Module Soft-
ware Incompatibility)
When the ignition switch is ON, the data length
transmitted from each control unit is shorter
than the specified length and the status contin-
ues for 2 seconds or more.
Control unit other than TCM
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