Nissan X-Trail 32. Manual — part 1930
SN-176
< DTC/CIRCUIT DIAGNOSIS >
[WITH PARK ASSIST]
B2723-12 CORNER SENSOR [RR]
B2723-12 CORNER SENSOR [RR]
DTC Description
INFOID:0000000010736669
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors (Corner sensor rear RH circuit)
• Corner 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 B2723-12 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:0000000010736670
1.
CHECK CORNER SENSOR REAR RH SIGNAL CIRCUIT FOR SHORT (1)
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit harness connector and corner sensor rear 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 CORNER SENSOR REAR RH SIGNAL CIRCUIT FOR SHORT (2)
Check the continuity between corner sensor rear RH harness connector and ground.
DTC
Trouble diagnosis
(Trouble diagnosis contents)
Detecting condition
B2723-12
CORNER SENSOR [RR]
(Corner sensor rear-right)
SHORT-BAT
(Short to battery)
Short circuit to power supply is detected in harness between sonar
control unit and corner sensor rear RH when ignition switch is turned
ON.
Terminals
Voltage
(Approx.)
(+)
(
−
)
Sonar control unit
Connector
Terminal
B129
21
Ground
0 V
SN
B2723-12 CORNER SENSOR [RR]
SN-177
< DTC/CIRCUIT DIAGNOSIS >
[WITH 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 rear RH. Refer to
SN-240, "REAR : Removal and Installation"
NO
>> Repair or replace malfunctioning parts.
Terminals
Continuity
(+)
(
−
)
Corner sensor rear RH
Connector
Terminal
B123
2
Ground
Not existed
SN-178
< DTC/CIRCUIT DIAGNOSIS >
[WITH PARK ASSIST]
B2723-14 CORNER SENSOR [RR]
B2723-14 CORNER SENSOR [RR]
DTC Description
INFOID:0000000010736671
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors (Corner sensor rear RH circuit)
• Corner 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 B2723-14 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:0000000010736672
1.
CHECK CORNER SENSOR REAR RH SIGNAL CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit harness connector and corner sensor rear RH harness connector.
3.
Check the continuity between sonar control unit harness connector and corner sensor rear RH harness
connector.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace malfunctioning parts.
2.
CHECK CORNER SENSOR REAR RH SIGNAL CIRCUIT FOR SHORT
Check the continuity between sonar control unit harness connector and ground.
DTC
Trouble diagnosis
(Trouble diagnosis contents)
Detecting condition
B2723-14
CORNER SENSOR [RR]
(Corner 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 corner sensor rear RH when ignition
switch is turned ON.
Sonar control unit
Corner sensor rear RH
Continuity
Connector
Terminal
Connector
Terminal
B129
21
B123
2
Existed
SN
B2723-14 CORNER SENSOR [RR]
SN-179
< DTC/CIRCUIT DIAGNOSIS >
[WITH 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 CORNER SENSOR REAR RH GROUND CIRCUIT
Check the continuity between sonar control unit harness connector and corner sensor rear RH harness con-
nector.
Is the inspection result normal?
YES
>> Replace corner sensor rear RH. Refer to
SN-240, "REAR : Removal and Installation"
NO
>> Repair or replace malfunctioning parts.
Terminals
Continuity
(+)
(
−
)
Sonar control unit
Connector
Terminal
B129
21
Ground
Not existed
Sonar control unit
Corner sensor rear RH
Continuity
Connector
Terminal
Connector
Terminal
B129
22
B123
1
Existed
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