Nissan X-Trail 32. Instruction — part 1908
SN-88
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARK ASSIST]
B272B-12 CENTER SENSOR [FR]
B272B-12 CENTER SENSOR [FR]
DTC Description
INFOID:0000000010919348
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors (center sensor front RH circuit)
• Center sensor front RH
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 B272B-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:0000000010919349
1.
CHECK CENTER SENSOR SIGNAL FRONT RH CIRCUIT FOR SHORT (1)
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit harness connector and center sensor front RH 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 CENTER SENSOR SIGNAL FRONT RH CIRCUIT FOR SHORT (2)
Check the continuity between center sensor front RH harness connector and ground.
DTC
Trouble diagnosis
(Trouble diagnosis contents)
Detecting condition
B272B-12
CENTER SENSOR [FR]
(Center sensor front-right)
SHORT-BAT
(Short to battery)
Short circuit to power supply is detected in harness between sonar
control unit and center sensor front RH when ignition switch is
turned ON.
Terminals
Voltage
(Approx.)
(+)
(
−
)
Sonar control unit
Connector
Terminal
B101
1
Ground
0 V
SN
B272B-12 CENTER SENSOR [FR]
SN-89
< 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 center sensor front RH. Refer to
SN-113, "FRONT : Removal and Installation"
NO
>> Repair or replace malfunctioning parts.
Terminals
Continuity
(+)
(
−
)
Center sensor front RH
Connector
Terminal
E133
2
Ground
Not existed
SN-90
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARK ASSIST]
B272B-14 CENTER SENSOR [FR]
B272B-14 CENTER SENSOR [FR]
DTC Description
INFOID:0000000010919350
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors (center sensor front RH circuit)
• Center sensor front RH
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 B272B-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:0000000010919351
1.
CHECK CENTER SENSOR SIGNAL FRONT RH CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit harness connector and center sensor front RH harness connector.
3.
Check the continuity between sonar control unit harness connector and center sensor front RH harness
connector.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace malfunctioning parts.
2.
CHECK CENTER SENSOR SIGNAL FRONT RH CIRCUIT FOR SHORT
Check the continuity between sonar control unit harness connector and ground.
DTC
Trouble diagnosis
(Trouble diagnosis contents)
Detecting condition
B272B-14
CENTER SENSOR [FR]
(Center sensor front-right)
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 RH when ignition
switch is turned ON.
Sonar control unit
Center sensor front RH
Continuity
Connector
Terminal
Connector
Terminal
B101
1
E133
2
Existed
SN
B272B-14 CENTER SENSOR [FR]
SN-91
< 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 RH harness con-
nector.
Is the inspection result normal?
YES
>> Replace center sensor front RH. Refer to
SN-113, "FRONT : Removal and Installation"
NO
>> Repair or replace malfunctioning parts.
Terminals
Continuity
(+)
(
−
)
Sonar control unit
Connector
Terminal
B101
1
Ground
Not existed
Sonar control unit
Center sensor front RH
Continuity
Connector
Terminal
Connector
Terminal
B101
13
E133
1
Existed
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