Nissan X-Trail 32. Instruction — part 1940
SN-216
< DTC/CIRCUIT DIAGNOSIS >
[WITH PARK ASSIST]
B272D-12 FRONT BUZZER
Is the inspection result normal?
YES
>> Replace buzzer (frontward). Refer to
SN-242, "FRONT : Removal and Installation"
NO
>> Repair harness or connector.
Sonar control unit
Ground
Standard
Reference value
(Approx.)
Connector
Terminal
B129
10
—
NOTE:
• Voltage depends on volume.
• Cycle depends on distance between sensor
and obstacle.
JSNIA5232GB
SN
B272D-14 FRONT BUZZER
SN-217
< DTC/CIRCUIT DIAGNOSIS >
[WITH PARK ASSIST]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
B272D-14 FRONT BUZZER
DTC Description
INFOID:0000000010736701
DTC DETECTION LOGIC
POSSIBLE CAUSE
Harness between sonar control unit and buzzer (frontward)
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 B272D-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:0000000010736702
1.
CHECK CONTINUITY BUZZER (FRONTWARD) POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit connector and buzzer (frontward) connector.
3.
Check continuity between sonar control unit harness connector and buzzer (frontward) harness connec-
tor.
4.
Check continuity between sonar control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair harness or connector.
2.
CHECK CONTINUITY BUZZER DRIVE SIGNAL CIRCUIT
DTC
Trouble diagnosis
(Trouble diagnosis contents)
Detection condition
B272D-14
FRONT BUZZER
(Front buzzer)
OPEN/SHORT-
GND
(Open/Short to
ground)
A break in harness between sonar control unit and buzzer (front-
ward) or a short circuit between sonar control unit and ground is de-
tected when ignition switch is turned ON.
Sonar control unit
Buzzer (frontward)
Continuity
Connector
Terminal
Connector
Terminal
B129
2
M79
2
Existed
Sonar control unit
Ground
Continuity
Connector
Terminal
B129
2
Not existed
SN-218
< DTC/CIRCUIT DIAGNOSIS >
[WITH PARK ASSIST]
B272D-14 FRONT BUZZER
1.
Check continuity between sonar control unit harness connector and buzzer (frontward) harness connec-
tor.
2.
Check continuity between sonar control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK CONTINUITY SONAR CONTROL UNIT
1.
Check continuity between terminals of sonar control unit.
2.
Check continuity between sonar control unit harness connector and ground.
Is the inspection result normal?
YES
>> Replace buzzer (frontward). Refer to
SN-242, "FRONT : Removal and Installation"
NO
>> Replace sonar control unit. Refer to
SN-237, "Removal and Installation"
.
Sonar control unit
Buzzer (frontward)
Continuity
Connector
Terminal
Connector
Terminal
B129
10
M79
3
Existed
Sonar control unit
Ground
Continuity
Connector
Terminal
B129
10
Not existed
Sonar control unit
Continuity.
Terminal
2
10
Not existed
Sonar control unit
Ground
Continuity
Terminal
2
Not existed
10
SN
B272E-12 SIDE SENSOR [FL]
SN-219
< DTC/CIRCUIT DIAGNOSIS >
[WITH PARK ASSIST]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
B272E-12 SIDE SENSOR [FL]
DTC Description
INFOID:0000000010776920
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors (side sensor front LH circuit)
• Side 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 B272E-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:0000000010776921
1.
CHECK SIDE SENSOR SIGNAL FRONT LH CIRCUIT FOR SHORT (1)
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit harness connector and side 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 SIDE SENSOR SIGNAL FRONT LH CIRCUIT FOR SHORT (2)
Check the continuity between side sensor front LH harness connector and ground.
DTC
Trouble diagnosis
(Trouble diagnosis contents)
Detecting condition
B272E-12
SIDE SENSOR [FL]
(Side sensor front-left)
SHORT-BAT
(Short to battery)
Short circuit to power supply is detected in harness between sonar
control unit and side sensor front LH when ignition switch is turned
ON.
Terminals
Voltage
(Approx.)
(+)
(
−
)
Sonar control unit
Connector
Terminal
B128
28
Ground
0 V
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