Nissan X-Trail 32. Manual — part 1905
SN-76
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARK ASSIST]
B2729-12 CORNER SENSOR [FL]
B2729-12 CORNER SENSOR [FL]
DTC Description
INFOID:0000000010735586
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors (Corner sensor front LH circuit)
• Corner sensor front LH
FAIL-SAFE
• Obstacle detection function is stopped
• Alarm display is displayed on the information display of combination meter
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1.
Turn ignition switch ON.
2.
Turn ignition switch OFF and wait at least 30 seconds.
3.
Turn ignition switch ON and wait at least 30 seconds or more.
4.
Select “Self Diagnostic Result” mode of “SONAR” using CONSULT.
5.
Check DTC.
Is DTC B2729-12 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:0000000010735587
1.
CHECK CORNER SENSOR SIGNAL FRONT LH CIRCUIT FOR SHORT (1)
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit harness connector and corner sensor front LH harness connector.
3.
Turn ignition switch ON.
4.
Check the voltage between sonar control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace malfunctioning parts.
2.
CHECK CORNER SENSOR SIGNAL FRONT LH CIRCUIT FOR SHORT (2)
Check the continuity between corner sensor front LH harness connector ground.
DTC
Trouble diagnosis
(Trouble diagnosis contents)
Detecting condition
B2729-12
CORNER SENSOR [FL]
(Corner sensor front-left)
SHORT-BAT
(Short to battery)
Short circuit to power supply is detected in harness between sonar
control unit and corner sensor front LH when ignition switch is
turned ON.
Terminals
Voltage
(Approx.)
(+)
(
−
)
Sonar control unit
Connector
Terminal
B101
3
Ground
0 V
SN
B2729-12 CORNER SENSOR [FL]
SN-77
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARK ASSIST]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is the inspection result normal?
YES
>> Replace corner sensor front LH. Refer to
SN-113, "FRONT : Removal and Installation"
.
NO
>> Repair or replace malfunctioning parts.
Terminals
Continuity
(+)
(
−
)
Corner sensor front LH
Connector
Terminal
E132
2
Ground
Not existed
SN-78
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARK ASSIST]
B2729-14 CORNER SENSOR [FL]
B2729-14 CORNER SENSOR [FL]
DTC Description
INFOID:0000000010735588
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors (Corner sensor front LH circuit)
• Corner sensor front LH
FAIL-SAFE
• Obstacle detection function is stopped
• Alarm display is displayed on the information display of combination meter
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1.
Turn ignition switch ON.
2.
Turn ignition switch OFF and wait at least 30 seconds.
3.
Turn ignition switch ON and wait at least 30 seconds or more.
4.
Select “Self Diagnostic Result” mode of “SONAR” using CONSULT.
5.
Check DTC.
Is DTC B2729-14 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:0000000010735589
1.
CHECK CORNER SENSOR SIGNAL FRONT LH CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit harness connector and corner sensor front LH harness connector.
3.
Check the continuity between sonar control unit harness connector and corner sensor front LH harness
connector.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace malfunctioning parts.
2.
CHECK CORNER SENSOR SIGNAL FRONT LH CIRCUIT FOR SHORT
Check the continuity between sonar control unit harness connector and ground.
DTC
Trouble diagnosis
(Trouble diagnosis contents)
Detecting condition
B2729-14
CORNER SENSOR [FL]
(Corner sensor front-left)
OPEN/SHORT-
GND
(Open/Short to
ground)
Short circuit to ground or open circuit is detected in harness be-
tween sonar control unit and corner sensor front LH when ignition
switch is turned ON.
Sonar control unit
Corner sensor front LH
Continuity
Connector
Terminal
Connector
Terminal
B101
3
E132
2
Existed
SN
B2729-14 CORNER SENSOR [FL]
SN-79
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARK ASSIST]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace malfunctioning parts.
3.
CHECK FRONT SENSOR GROUND CIRCUIT
Check the continuity between sonar control unit harness connector and corner sensor front LH harness con-
nector.
Is the inspection result normal?
YES
>> Replace corner sensor front LH. Refer to
SN-113, "FRONT : Removal and Installation"
.
NO
>> Repair or replace malfunctioning parts.
Terminals
Continuity
(+)
(
−
)
Sonar control unit
Connector
Terminal
B101
3
Ground
Not existed
Sonar control unit
Corner sensor front LH
Continuity
Connector
Terminal
Connector
Terminal
B101
13
E132
1
Existed
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