Qashqai J11. Sonar system — part 3
SN
B2721 CENTER SENSOR [RL]
SN-33
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARKING SPACE MEASUREMENT]
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B2721 CENTER SENSOR [RL]
DTC Logic
INFOID:0000000010477982
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000010477983
Regarding Wiring Diagram information, refer to
1.
CHECK REAR SONAR CENTER SENSOR LH CIRCUIT CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit connector and rear sonar center sensor LH connector.
3.
Check continuity between sonar control unit connector M59 and rear sonar center sensor LH connector
B114.
4.
Check continuity between sonar control unit connector M59 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK REAR SONAR CENTER SENSOR LH SIGNAL CIRCUIT SHORT TO BATTERY
1.
Turn ignition switch ON.
2.
Check voltage between sonar control unit connector M59 and ground.
Is the inspection result normal?
YES
>> Replace rear center sonar sensor LH. Refer to
SN-49, "REAR SENSOR : Removal and Installa-
.
NO
>> Repair or replace harness or connectors.
CONSULT Display
DTC Detection Condition
Possible Cause
REAR LEFT SIDE INTER-
NAL SENSOR
[B2721]
• Sensor is not configured.
• Sensor is open or short circuited.
• Sensor element malfunction.
• Sensor configuration.
• Harness or connectors.
• Rear sonar sensor LH inner.
Sonar control unit
Rear sonar sensor LH
Continuity
Connector
Terminal
Connector
Terminal
M59
21
B114
2
Yes
14
1
Sonar control unit
Ground
Continuity
Connector
Terminal
M59
21
—
No
Sonar control unit
Ground
Voltage
(Approx.)
Connector
Terminal
M59
21
—
0V
SN-34
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARKING SPACE MEASUREMENT]
B2722 CENTER SENSOR [RR]
B2722 CENTER SENSOR [RR]
DTC Logic
INFOID:0000000010477984
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000010477985
Regarding Wiring Diagram information, refer to
1.
CHECK REAR SONAR CENTER SENSOR RH SIGNAL CIRCUIT CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit connector and rear sonar center sensor RH connector.
3.
Check continuity between sonar control unit connector M59 and rear sonar center sensor RH connector
B115.
4.
Check continuity between sonar control unit connector M59 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK REAR SONAR CENTER SENSOR RH SIGNAL CIRCUIT SHORT TO BATTERY
1.
Turn ignition switch ON.
2.
Check voltage between sonar control unit connector M59 and ground.
Is the inspection result normal?
YES
>> Replace rear sonar center sensor RH. Refer to
SN-49, "REAR SENSOR : Removal and Installa-
.
NO
>> Repair or replace harness or connectors.
CONSULT Display
DTC Detection Condition
Possible Cause
REAR RIGHT SIDE INTER-
NAL SENSOR
[B2722]
• Sensor is not configured.
• Sensor is open or short circuited.
• Sensor element malfunction.
• Sensor configuration.
• Harness or connectors.
• Rear sonar sensor RH inner.
Sonar control unit
Rear sonar sensor RH
Continuity
Connector
Terminal
Connector
Terminal
M59
9
B115
2
Yes
14
1
Sonar control unit
Ground
Continuity
Connector
Terminal
M59
9
—
No
Sonar control unit
Ground
Voltage
(Approx.)
Connector
Terminal
M59
9
—
0V
SN
B2723 CORNER SENSOR [RR]
SN-35
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARKING SPACE MEASUREMENT]
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B2723 CORNER SENSOR [RR]
DTC Logic
INFOID:0000000010435932
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000010435933
Regarding Wiring Diagram information, refer to
1.
CHECK REAR SONAR CORNER SENSOR RH SIGNAL CIRCUIT CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit connector and rear sonar corner sensor RH connector.
3.
Check continuity between sonar control unit connector M59 and rear sonar corner sensor RH connector
B117.
4.
Check continuity between sonar control unit connector M59 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK REAR SONAR CORNER SENSOR RH SIGNAL CIRCUIT SHORT TO BATTERY
1.
Turn ignition switch ON.
2.
Check voltage between sonar control unit connector M59 and ground.
Is the inspection result normal?
YES
>> Replace rear sonar corner sensor RH. Refer to
SN-49, "REAR SENSOR : Removal and Installa-
.
NO
>> Repair or replace harness or connectors.
CONSULT Display
DTC Detection Condition
Possible Cause
REAR RIGHT SIDE EXTER-
NAL SENSOR
[B2723]
• Sensor is not configured.
• Sensor is open or short circuited.
• Sensor element malfunction.
• Sensor configuration.
• Harness or connectors.
• Rear sonar sensor RH outer.
Sonar control unit
Rear sonar sensor RH
Continuity
Connector
Terminal
Connector
Terminal
M59
10
B117
2
Yes
14
1
Sonar control unit
Ground
Continuity
Connector
Terminal
M59
10
—
No
Sonar control unit
Ground
Voltage
(Approx.)
Connector
Terminal
M59
10
—
0V
SN-36
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARKING SPACE MEASUREMENT]
B2724 SONAR CONTROL UNIT
B2724 SONAR CONTROL UNIT
DTC Logic
INFOID:0000000010435934
DTC DETECTION LOGIC
CONSULT Display
DTC Detection Condition
Possible Cause
ECU
[B2724]
Sonar control unit malfunction.
Replace sonar control unit. Refer to
.
SN
B2725 REAR BUZZER
SN-37
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARKING SPACE MEASUREMENT]
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B2725 REAR BUZZER
DTC Logic
INFOID:0000000010435935
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000010435936
Regarding Wiring Diagram information, refer to
1.
CHECK REAR SONAR BUZZER SIGNAL CIRCUIT CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit connector and rear sonar buzzer connector.
3.
Check continuity between sonar control unit connector M59 and rear sonar buzzer connector B48.
4.
Check continuity between sonar control unit connector M59and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK REAR SONAR BUZZER SIGNAL CIRCUIT SHORT TO BATTERY
1.
Turn ignition switch ON.
2.
Check voltage between sonar control unit connector M59 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK REAR SONAR BUZZER SIGNAL CIRCUIT SHORT TO BUZZER POWER
1.
Turn ignition switch OFF.
2.
Check continuity between sonar control unit connector M59 terminals.
Is the inspection result normal?
CONSULT Display
DTC Detection Condition
Possible Cause
REAR BUZZER
[B2725]
• Rear buzzer is open or short circuited.
• Rear buzzer malfunction.
• Harness or connectors.
• Rear buzzer.
Sonar control unit
Rear sonar buzzer
Continuity
Connector
Terminal
Connector
Terminal
M59
20
B48
3
Yes
Sonar control unit
Ground
Continuity
Connector
Terminal
M59
20
—
No
Sonar control unit
Ground
Voltage
(Approx.)
Connector
Terminal
M59
20
—
0V
Sonar control unit connector M59
Continuity
Terminal
Terminal
19
20
No
SN-38
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARKING SPACE MEASUREMENT]
B2725 REAR BUZZER
YES
>> Replace rear sonar buzzer. Refer to
SN-52, "BUZZER : Exploded View"
.
NO
>> Repair or replace harness or connectors.
SN
B2729 CORNER SENSOR [FL]
SN-39
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARKING SPACE MEASUREMENT]
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B2729 CORNER SENSOR [FL]
DTC Logic
INFOID:0000000010435937
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000010435938
Regarding Wiring Diagram information, refer to
1.
CHECK FRONT SONAR CORNER SENSOR LH CIRCUIT CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit connector and front sonar corner sensor LH connector.
3.
Check continuity between sonar control unit connector M59 and front sonar corner sensor LH connector
E132.
4.
Check continuity between sonar control unit connector M59 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK FRONT SONAR CORNER SENSOR LH SIGNAL CIRCUIT SHORT TO BATTERY
1.
Turn ignition switch ON.
2.
Check voltage between sonar control unit connector M59 and ground.
Is the inspection result normal?
YES
>> Replace front sonar corner sensor LH. Refer to
SN-48, "FRONT SENSOR : Exploded View"
NO
>> Repair or replace harness or connectors.
CONSULT Display
DTC Detection Condition
Possible Cause
FRONT LEFT SIDE EXTER-
NAL SENSOR
[B2729]
• Sensor is not configured.
• Sensor is open or short circuited.
• Sensor element malfunction.
• Sensor configuration.
• Harness or connectors.
• Front sonar sensor LH outer.
Sonar control unit
Front sonar sensor LH
Continuity
Connector
Terminal
Connector
Terminal
M59
3
E132
2
Yes
13
1
Sonar control unit
Ground
Continuity
Connector
Terminal
M59
3
—
No
Sonar control unit
Ground
Voltage
(Approx.)
Connector
Terminal
M59
3
—
0V
SN-40
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARKING SPACE MEASUREMENT]
B272A CENTER SENSOR [FL]
B272A CENTER SENSOR [FL]
DTC Logic
INFOID:0000000010477994
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000010477995
Regarding Wiring Diagram information, refer to
1.
CHECK FRONT SONAR CENTER SENSOR LH CIRCUIT CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit connector and front sonar center sensor LH connector.
3.
Check continuity between sonar control unit connector M59 and front sonar center sensor LH connector
E131.
4.
Check continuity between sonar control unit connector M59 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK FRONT SONAR CENTER SENSOR LH SIGNAL CIRCUIT SHORT TO BATTERY
1.
Turn ignition switch ON.
2.
Check voltage between sonar control unit connector M59 and ground.
Is the inspection result normal?
YES
>> Replace front sonar center sensor LH. Refer to
SN-48, "FRONT SENSOR : Exploded View"
NO
>> Repair or replace harness or connectors.
CONSULT Display
DTC Detection Condition
Possible Cause
FRONT LEFT SIDE INTER-
NAL SENSOR
[B272A]
• Sensor is not configured.
• Sensor is open or short circuited.
• Sensor element malfunction.
• Sensor configuration.
• Harness or connectors.
• Front sonar sensor LH inner.
Sonar control unit
Front sonar sensor LH
Continuity
Connector
Terminal
Connector
Terminal
M59
2
E131
2
Yes
13
1
Sonar control unit
Ground
Continuity
Connector
Terminal
M59
2
—
No
Sonar control unit
Ground
Voltage
(Approx.)
Connector
Terminal
M59
2
—
0V
SN
B272B CENTER SENSOR [FR]
SN-41
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARKING SPACE MEASUREMENT]
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B272B CENTER SENSOR [FR]
DTC Logic
INFOID:0000000010477996
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000010477997
Regarding Wiring Diagram information, refer to
1.
CHECK FRONT SONAR CENTER SENSOR RH CIRCUIT CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit connector and front sonar center sensor RH connector.
3.
Check continuity between sonar control unit connector M59 and front sonar center sensor RH connector
E123.
4.
Check continuity between sonar control unit connector M59 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK FRONT SONAR CENTER SENSOR RH SIGNAL CIRCUIT SHORT TO BATTERY
1.
Turn ignition switch ON.
2.
Check voltage between sonar control unit connector M59 and ground.
Is the inspection result normal?
YES
>> Replace front sonar center sensor RH. Refer to
SN-48, "FRONT SENSOR : Exploded View"
.
NO
>> Repair or replace harness or connectors.
CONSULT Display
DTC Detection Condition
Possible Cause
FRONT RIGHT SIDE INTER-
NAL SENSOR
[B272B]
• Sensor is not configured.
• Sensor is open or short circuited.
• Sensor element malfunction.
• Sensor configuration.
• Harness or connectors.
• Front sonar sensor RH inner.
Sonar control unit
Front sonar sensor RH
Continuity
Connector
Terminal
Connector
Terminal
M59
1
E123
2
Yes
13
1
Sonar control unit
Ground
Continuity
Connector
Terminal
M59
1
—
No
Sonar control unit
Ground
Voltage
(Approx.)
Connector
Terminal
M59
1
—
0V
SN-42
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARKING SPACE MEASUREMENT]
B272C CORNER SENSOR [FR]
B272C CORNER SENSOR [FR]
DTC Logic
INFOID:0000000010435939
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000010435940
Regarding Wiring Diagram information, refer to
1.
CHECK FRONT SONAR CORNER SENSOR RH CIRCUIT CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit connector and front sonar corner sensor RH connector.
3.
Check continuity between sonar control unit connector M59 and front sonar corner sensor RH connector
E124.
4.
Check continuity between sonar control unit connector M59 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK FRONT SONAR CORNER SENSOR RH SIGNAL CIRCUIT SHORT TO BATTERY
1.
Turn ignition switch ON.
2.
Check voltage between sonar control unit connector M59 and ground.
Is the inspection result normal?
YES
>> Replace front sonar corner sensor RH. Refer to
SN-48, "FRONT SENSOR : Exploded View"
.
NO
>> Repair or replace harness or connectors.
CONSULT Display
DTC Detection Condition
Possible Cause
FRONT RIGHT SIDE EX-
TERNAL SENSOR
[B272C]
• Sensor is not configured.
• Sensor is open or short circuited.
• Sensor element malfunction.
• Sensor configuration.
• Harness or connectors.
• Front sonar sensor RH outer.
Sonar control unit
Front sonar sensor RH
Continuity
Connector
Terminal
Connector
Terminal
M59
4
E124
2
Yes
13
1
Sonar control unit
Ground
Continuity
Connector
Terminal
M59
4
—
No
Sonar control unit
Ground
Voltage
(Approx.)
Connector
Terminal
M59
4
—
0V
SN
B272D FRONT BUZZER
SN-43
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARKING SPACE MEASUREMENT]
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B272D FRONT BUZZER
DTC Logic
INFOID:0000000010435941
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000010435942
Regarding Wiring Diagram information, refer to .
1.
CHECK FRONT SONAR BUZZER SIGNAL CIRCUIT CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit connector and front sonar buzzer connector.
3.
Check continuity between sonar control unit connector M59 and front sonar buzzer connector M72.
4.
Check continuity between sonar control unit connector M59 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK FRONT SONAR BUZZER SIGNAL CIRCUIT SHORT TO BATTERY
1.
Turn ignition switch ON.
2.
Check voltage between sonar control unit connector M59 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK FRONT SONAR BUZZER SIGNAL CIRCUIT SHORT TO BUZZER POWER
1.
Turn ignition switch OFF.
2.
Check continuity between sonar control unit connector M59 terminals.
Is the inspection result normal?
CONSULT Display
DTC Detection Condition
Possible Cause
FRONT BUZZER
[B272D]
• Front buzzer is open or short circuited.
• Front buzzer malfunction.
• Harness or connectors.
• Front buzzer.
Sonar control unit
Front sonar buzzer
Continuity
Connector
Terminal
Connector
Terminal
M59
18
M72
3
Yes
Sonar control unit
Ground
Continuity
Connector
Terminal
M59
18
—
No
Sonar control unit
Ground
Voltage
(Approx.)
Connector
Terminal
M59
18
—
0V
Sonar control unit connector M59
Continuity
Terminal
Terminal
19
18
No
SN-44
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARKING SPACE MEASUREMENT]
B272D FRONT BUZZER
YES
>> Replace front sonar buzzer. Refer to
SN-52, "BUZZER : Exploded View"
NO
>> Repair or replace harness or connectors.
SN
PARKING SPACE MEASUREMENT SWITCH
SN-45
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARKING SPACE MEASUREMENT]
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PARKING SPACE MEASUREMENT SWITCH
Diagnosis Procedure
INFOID:0000000010478783
Regarding Wiring Diagram information, refer to
1.
CHECK PARKING SPACE MEASUREMENT SWITCH SIGNAL CIRCUIT CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit connector and parking space measurement switch connector.
3.
Check continuity between sonar control unit connector M59 and parking space measurement switch con-
nector.
*1:Exept for HR engine models with CVT or MR16DDT engine models or Korean models
:2:Only for HR engine models with CVT, MR16DDT engine models and Korean models
4.
Check continuity between sonar control unit connector M59 and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness or connectors.
2.
CHECK PARKING SPACE MEASUREMENT SWITCH SIGNAL CIRCUIT SHORT TO BATTERY
1.
Turn ignition switch ON.
2.
Check voltage between parking space measurement switch connector and ground.
*1:Exept for HR engine models with CVT or MR16DDT engine models or Korean models
:2:Only for HR engine models with CVT, MR16DDT engine models and Korean models
Is the inspection result normal?
YES
>> Replace parking space measurement switch.
NO
>> Repair or replace harness or connectors.
Sonar control unit
Parking space measurement
Continuity
Connector
Terminal
Connector
Terminal
M59
16
M112
*1
M104
*2
1
Yes
Sonar control unit
Ground
Continuity
Connector
Terminal
M59
16
—
No
Parking space measurement
Ground
Continuity
Connector
Terminal
M112
*1
M104
*2
2
—
Yes
SN-46
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARKING SPACE MEASUREMENT]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000010435943
Regarding Wiring Diagram information, refer to
1.
CHECK FUSE
Check that the following fuse is not blown.
Is the fuse blown?
YES
>> Replace the blown fuse after repairing the affected circuit.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect sonar control unit connector M59.
3.
Check voltage between sonar control unit connector M59 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between sonar control unit connector M59 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connectors.
Terminal No.
Signal name
Fuse No.
12
IGN power supply
4 (10A)
Sonar control unit
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M59
12
—
Ignition switch: ON
Battery voltage
Sonar control unit
Ground
Continuity
Connector
Terminal
M59
15
—
Yes
SN
SONAR SYSTEM
SN-47
< SYMPTOM DIAGNOSIS >
[WITHOUT PARKING SPACE MEASUREMENT]
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SYMPTOM DIAGNOSIS
SONAR SYSTEM
Symptom Table
INFOID:0000000010435944
Symptom
Possible cause
Reference page
Malfunction is detected in only 1 sensor of display
(Always displayed in red).
• Sonar sensor circuit
• Sonar sensor
•
(front LH)
(front RH)
(rear LH)
•
SN-46, "Diagno-
sis Procedure"
Malfunction is detected in all 4 sensors of display (Al-
ways displayed in red).
• Sonar control unit power supply and ground circuits
• CAN communication circuits
•
•
SN-48
< REMOVAL AND INSTALLATION >
[WITHOUT PARKING SPACE MEASUREMENT]
SONAR SENSOR
REMOVAL AND INSTALLATION
SONAR SENSOR
FRONT SENSOR
FRONT SENSOR : Exploded View
INFOID:0000000010478773
*: For models with Parking Space MeasurementSensors
FRONT SENSOR : Removal and Installation - Front Sonar Sensors
INFOID:0000000010478774
REMOVAL
1.
Remove the front bumper fascia. Refer to
.
2.
Check the location of the sonar sensors. Refer to
SN-48, "FRONT SENSOR : Exploded View"
3.
Disconnect the harness connector from front sonar sensor (1).
4.
Release the pawls on the front sonar sensor insert, then remove
the front sonar sensor (1) from the front bumper fascia (2).
: Pawl
INSTALLATION
Installation is in the reverse order of removal.
REAR SENSOR
E1NIA0091ZZ
1.
Front outer LH (FOL) bezel
2.
Front outer LH (FOL) sensor
3.
Front parking space measurement LH
(FSL) bezel
*
4.
Front parking space measurement LH
*
(FSL)
5.
Front parking space measurement LH
(FSL) sensor
*
6.
Front inner LH (FIL) sensor
7.
Front inner LH (FIL) bezel
8.
Front inner RH (FIR) sensor
9.
Front inner RH (FIR) bezel
10.
Front outer RH (FOR) sensor
11.
Front outer RH (FOR) bezel
12.
Front parking space measurement
RH
*
(FSR)
ALNIA1400ZZ
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