Nissan Qashqai J11. Manual — part 734
U0100 LOST COMMUNICATION (ECM A)
TM-511
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F10G]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
U0100 LOST COMMUNICATION (ECM A)
DTC Logic
INFOID:0000000010245581
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
1.
Start the engine and wait for at least 5 seconds.
2.
Check the DTC.
Is “U0100” detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010245582
For the diagnosis procedure, refer to
LAN-24, "Trouble Diagnosis Flow Chart"
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
U0100
LOST COMM (ECM A)
(Lost Communication With
ECM/PCM A)
When the ignition switch is ON, TCM is un-
able to receive the CAN communications
signal from ECM continuously for 2 sec-
onds or more.
• ECM
• Harness or connector
(CAN communication line is open or
shorted)
TM-512
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F10G]
U0140 LOST COMMUNICATION (BCM)
U0140 LOST COMMUNICATION (BCM)
DTC Logic
INFOID:0000000010245583
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:0000000010245584
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)
U0141 LOST COMMUNICATION (BCM A)
TM-513
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F10G]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
U0141 LOST COMMUNICATION (BCM A)
DTC Logic
INFOID:0000000010245585
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:0000000010245586
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)
TM-514
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F10G]
U0155 LOST COMMUNICATION (IPC)
U0155 LOST COMMUNICATION (IPC)
DTC Logic
INFOID:0000000010245587
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:0000000010245588
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)
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