Nissan X-Trail 32. Instruction — part 1907
SN-84
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARK ASSIST]
B272A-14 CENTER SENSOR [FL]
B272A-14 CENTER SENSOR [FL]
DTC Description
INFOID:0000000010919342
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors (Center sensor front LH circuit)
• Center 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 B272A-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:0000000010919343
1.
CHECK CENTER SENSOR SIGNAL FRONT LH CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit harness connector and center sensor front LH harness connector.
3.
Check the continuity between sonar control unit harness connector and center sensor front LH harness
connector.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace malfunctioning parts.
2.
CHECK CENTER 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
B272A-14
CENTER SENSOR [FL]
(Center 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 center sensor front LH when ignition
switch is turned ON.
Sonar control unit
Center sensor front LH
Continuity
Connector
Terminal
Connector
Terminal
B101
2
E131
2
Existed
SN
B272A-14 CENTER SENSOR [FL]
SN-85
< 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 center sensor front LH harness con-
nector.
Is the inspection result normal?
YES
>> Replace center 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
2
Ground
Not existed
Sonar control unit
Center sensor front LH
Continuity
Connector
Terminal
Connector
Terminal
B101
13
E131
1
Existed
SN-86
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARK ASSIST]
B272A-55 CENTER SENSOR [FL]
B272A-55 CENTER SENSOR [FL]
DTC Description
INFOID:0000000010919344
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Center sensor front LH
• Control unit setting of sonar control unit is incomplete
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 B272A-55 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:0000000010919345
1.
PERFORM CONFIGURATION OF SONAR CONTROL UNIT
Perform configuration of sonar control unit. Refer to
SN-41, "CONFIGURATION (SONAR CONTROL UNIT) :
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
Perform DTC confirmation procedure again. Refer to
Is DTC B272A-55 detected again?
YES
>> Replace center sensor front LH. Refer to
SN-113, "FRONT : Removal and Installation"
.
NO
>> INSPECTION END.
DTC
Trouble diagnosis
(Trouble diagnosis contents)
Detecting condition
B272A-55
CENTER SENSOR [FL]
(Center sensor front-left)
CONFIG ERROR
(Configuration er-
ror)
Control unit setting of sonar control unit is incomplete or is not set
normally.
SN
B272A-92 CENTER SENSOR [FL]
SN-87
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARK ASSIST]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
B272A-92 CENTER SENSOR [FL]
DTC Description
INFOID:0000000010919346
DTC DETECTION LOGIC
POSSIBLE CAUSE
Center 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 B272A-92 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:0000000010919347
1.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
With CONSULT
1.
Turn ignition switch ON.
2.
Erase DTC.
3.
Perform DTC confirmation procedure again. Refer to
Is DTC B272A-92 detected again?
YES
>> Replace center sensor front LH. Refer to
SN-113, "FRONT : Removal and Installation"
.
NO
>> INSPECTION END
DTC
Trouble diagnosis
(Trouble diagnosis contents)
Detecting condition
B272A-92
CENTER SENSOR [FL]
(Center sensor front-left)
SENSOR
(Sensor)
Center sensor front LH malfunction is detected when ignition switch
is turned ON.
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