Nissan X-Trail 32. Manual — part 1900
![](/vehicles/gon/lyo/zan/tas.png)
SN-56
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARK ASSIST]
B2722-12 CENTER SENSOR [RR]
Is the inspection result normal?
YES
>> Replace center sensor rear RH . Refer to
SN-114, "REAR : Removal and Installation"
.
NO
>> Repair or replace malfunctioning parts.
Terminals
Continuity
(+)
(
−
)
Center sensor rear RH
Connector
Terminal
B124
2
Ground
Not existed
![](/vehicles/gon/lyo/zan/yorettory.png)
SN
B2722-14 CENTER SENSOR [RR]
SN-57
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARK ASSIST]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
B2722-14 CENTER SENSOR [RR]
DTC Description
INFOID:0000000010735570
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors (Center sensor rear RH circuit)
• Center sensor rear 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 B2722-14 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:0000000010735571
1.
CHECK CENTER SENSOR SIGNAL REAR RH CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit harness connector and center sensor rear RH harness connector.
3.
Check the continuity between sonar control unit harness connector and center sensor rear RH harness
connector.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace malfunctioning parts.
2.
CHECK CENTER SENSOR SIGNAL REAR RH CIRCUIT FOR SHORT
Check the continuity between sonar control unit harness connector and ground.
DTC
Trouble diagnosis
(Trouble diagnosis contents)
Detecting condition
B2722-14
CENTER SENSOR [RR]
(Center sensor rear-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 rear RH when ignition
switch is turned ON.
Sonar control unit
Center sensor rear RH
Continuity
Connector
Terminal
Connector
Terminal
B101
9
B124
2
Existed
![](/vehicles/gon/lyo/zan/clerad.png)
SN-58
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARK ASSIST]
B2722-14 CENTER SENSOR [RR]
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace malfunctioning parts.
3.
CHECK REAR SENSOR GROUND CIRCUIT
Check the continuity between sonar control unit harness connector and center sensor rear RH harness con-
nector.
Is the inspection result normal?
YES
>> Replace center sensor rear RH . Refer to
SN-114, "REAR : Removal and Installation"
.
NO
>> Repair or replace malfunctioning parts.
Terminals
Continuity
(+)
(
−
)
Sonar control unit
Connector
Terminal
B101
9
Ground
Not existed
Sonar control unit
Center sensor rear RH
Continuity
Connector
Terminal
Connector
Terminal
B101
14
B124
1
Existed
![](/vehicles/gon/lyo/zan/adajonism.png)
SN
B2722-55 CENTER SENSOR [RR]
SN-59
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARK ASSIST]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
B2722-55 CENTER SENSOR [RR]
DTC Description
INFOID:0000000010735572
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Center sensor rear RH
• 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 B2722-55 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:0000000010735573
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 B2722-55 detected again?
YES
>> Replace center sensor rear RH . Refer to
SN-114, "REAR : Removal and Installation"
.
NO
>> INSPECTION END.
DTC
Trouble diagnosis
(Trouble diagnosis contents)
Detecting condition
B2722-55
CENTER SENSOR [RR]
(Center sensor rear-right)
CONFIG ERROR
(Configuration er-
ror)
Control unit setting of sonar control unit is incomplete or is not set
normally.
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