Nissan X-Trail 32. Manual — part 959
POWER SUPPLY AND GROUND CIRCUIT
EC-965
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
YES
>> INSPECTION END
NO
>> Repair or replace error-detected parts.
EC-966
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
U0111 LIN COMMUNICATION
U0111 LIN COMMUNICATION
DTC Description
INFOID:0000000010935624
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Alternator
• Harness and connectors
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON and wait at least 3 seconds.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed 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:0000000010935625
1.
CHECK LIN COMMUNICATION CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector and alternator harness connector.
3.
Disconnect DC/DC conveter harness connector.
4.
Check the continuity between ECM harness connector and alternator harness connector.
5.
Also check harness for short to power and short to ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK ALTERNATOR
Check alternator. Refer to
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace alternator. Refer to
CHG-26, "R9M : Removal and Installation"
.
3.
CHECK DTC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
U0111
LOST COMMUNICATION WITH BATTERY
ENERGY FROM LIN
(Lost communication with battery energy
control module “A”)
• 1.DEF: NO BUS SIGNAL
• 2.DEF: COMPONENT PROTECTION
TIME-OUT
ECM cannot communication with alternator via LIN communication.
+
−
Continuity
ECM
Alternator
Connector
Terminal
Connector
Terminal
F117
68
F15
2
Existed
U0111 LIN COMMUNICATION
EC-967
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
1.
Erase DTC.
2.
Perform DTC confirmation procedure again. Refer to
.
Is DTC detected again?
YES
>> Replace ECM.
NO
>> INSPECTION END
EC-968
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
U0121 CAN COMMUNICATION
U0121 CAN COMMUNICATION
DTC Description
INFOID:0000000010935626
DTC DETECTION LOGIC
POSSIBLE CAUSE
ABS actuator and electric unit (control unit)
FAIL-SAFE
ESP is deactivated
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON and wait at least 3 seconds.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed 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:0000000010935627
1.
CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Check DTC with ABS actuator and electric unit (control unit). Refer to
Is DTC detected?
YES
>> INSPECTION END
NO
>> Perform trouble shooting relevant to DTC indicated.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
U0121
MLTIPLXD TRACTION CNTRL CONN
[Lost communication with anti-lock brake
system (ABS) control Module]
• 1.DEF: INVALID SOURCE COMPUTER
MULTIPLEX SIGNALS
When ECM is not transmitting or receiving CAN communication signal be-
tween ABS actuator and electric unit (control unit).
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