Qashqai J11. SRS Airbag control system - part 5

 

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Qashqai J11. SRS Airbag control system - part 5

 

 

B00DF AIR BAG CUTOFF SWITCH

SRC-65

< DTC/CIRCUIT DIAGNOSIS >

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B00DF AIR BAG CUTOFF SWITCH

DTC Description

INFOID:0000000010431036

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors (Air bag cutoff switch circuit is open or shorted)
• Internal malfunction of air bag cutoff switch
• Internal malfunction of air bag diagnosis sensor unit

FAIL-SAFE

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAGNOSTIC RESULT

 With CONSULT

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT.

Is malfunctioning part detected?

YES

>> Refer to 

SRC-65, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-41, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010431037

WARNING:

• Before servicing, turn ignition switch OFF, disconnect both battery terminals and wait at least 3 min-

utes. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device. 

1.

CHECK HARNESS CONNECTOR

Check the connection of harness connector.

Is the connection normal?

YES

>> GO TO 2.

NO

>> Replace harness connector.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.

Are the harness external parts normal (no damage)?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

CHECK AIR BAG CUTOFF SWITCH

1.

Replace air bag cutoff switch. Refer to 

IP-13, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-65, "DTC Description"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> INSPECTION END

4.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to 

SR-28, "Removal and Installation"

.

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B00DF–52

PASS A/B DEACT SW
[Passenger Restraints Disable Switch (Sub-
fault)]

Air bag cutoff switch circuit is open or shorted to ground or the circuits 
are shorted each other.

SRC-66

< DTC/CIRCUIT DIAGNOSIS >

B00DF AIR BAG CUTOFF SWITCH

2.

Perform DTC confirmation procedure. Refer to 

SRC-65, "DTC Description"

.

Is DTC detected?

YES

>> GO TO 1.

NO

>> INSPECTION END

B0099 SATELLITE SENSOR

SRC-67

< DTC/CIRCUIT DIAGNOSIS >

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B0099 SATELLITE SENSOR

DTC Description

INFOID:0000000010377852

DTC DETECTION LOGIC

POSSIBLE CAUSE

[B0099–11]

• Connection malfunction or short circuit to ground of harness and connector
• Internal malfunction of other satellite sensor
• Internal malfunction of air bag diagnosis sensor unit

[B0099–23, B0099–24, B0099–25, B0099–28

• Internal malfunction of other satellite sensor
• Internal malfunction of air bag diagnosis sensor unit

[B0099–81, B0099–93]

• Connection malfunction of harness or connector
• Internal malfunction of other satellite sensor
• Internal malfunction of air bag diagnosis sensor unit

[B0099–86]

• Air bag diagnosis sensor unit and other satellite sensor is different from the part specified

[B0096–88]

• Connection malfunction or open circuit of harness and connector
• Internal malfunction of other satellite sensor
• Internal malfunction of air bag diagnosis sensor unit

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

 With CONSULT

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT.

Is malfunctioning part detected?

YES

>> Refer to 

SRC-67, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010377853

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3

minutes or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device. 

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B0099–11

SATELLITE SENSOR 
[Roll Over Sensor (Subfault)]

Other satellite sensor circuit is shorted to ground

B0099–23

Lower limit value malfunction of other satellite sensor

B0099–24

Upper limit value malfunction of other satellite sensor

B0099–25

Diagnosis malfunction of other satellite sensor

B0099–28

Offset malfunction of other satellite sensor

B0099–81

Communication malfunction of other satellite sensor

B0099–86

Other satellite sensor is out of the specified specification

B0099–88

Other satellite sensor circuit is open

B0099–93

Reset malfunction of other satellite sensor

SRC-68

< DTC/CIRCUIT DIAGNOSIS >

B0099 SATELLITE SENSOR

1.

CHECK DTC

Perform each inspection according to the displayed DTC.
Which DTC is displayed?

[B0099–86]              >> GO TO 4.
Other than the above >> GO TO 2.

2.

CHECK HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace harness connector.

3.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES

>> GO TO 4. 

NO

>> Replace wiring harness.

4.

REPLACE OTHER SATELLITE SENSOR

1.

Replace other satellite sensor. Refer to 

SR-26, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-67, "DTC Description"

.

Is DTC detected?

YES

>> GO TO 5. 

NO

>> INSPECTION END

5.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to 

SR-28, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-67, "DTC Description"

.

Is DTC detected?

YES

>> GO TO 1.

NO

>> INSPECTION END

B1400, B1401, B1402, B1403, B1404, B1405 AIR BAG DIAGNOSIS SENSOR 

UNIT

SRC-69

< DTC/CIRCUIT DIAGNOSIS >

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B1400, B1401, B1402, B1403, B1404, B1405 AIR BAG DIAGNOSIS SEN-
SOR UNIT

DTC Description

INFOID:0000000010431056

DTC DETECTION LOGIC

POSSIBLE CAUSE

Malfunction in air bag diagnosis sensor unit

FAIL-SAFE

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

 With CONSULT

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT.

Is malfunctioning part detected?

YES

>> Refer to 

SRC-69, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-41, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010431057

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3

minutes or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device. 

1.

CHECK HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connectors.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B1400–00

CONTROL UNIT 
(airbag control unit)

Air bag diagnosis sensor unit is malfunctioning

B1401–00

CONTROL UNIT 
(airbag control unit internal trouble, sensor2)

B1402–00

CONTROL UNIT 
(airbag control unit internal trouble, sensor3)

B1403–00

CONTROL UNIT 
(airbag control unit internal trouble, sensor4)

B1404–00

CONTROL UNIT 
(airbag control unit internal trouble, sensor5)

B1405–00

CONTROL UNIT 
(airbag control unit internal trouble, sensor6)

SRC-70

< DTC/CIRCUIT DIAGNOSIS >

B1400, B1401, B1402, B1403, B1404, B1405 AIR BAG DIAGNOSIS SENSOR 

UNIT

3.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to 

SR-28, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-69, "DTC Description"

.

Is DTC detected?

YES

>> GO TO 1.

NO

>> INSPECTION END

B1406, B1407, B1408, B1409, B1410 AIR BAG DIAGNOSIS SENSOR UNIT

SRC-71

< DTC/CIRCUIT DIAGNOSIS >

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B1406, B1407, B1408, B1409, B1410 AIR BAG DIAGNOSIS SENSOR UNIT

DTC Description

INFOID:0000000010431058

DTC DETECTION LOGIC

POSSIBLE CAUSE

Malfunction in air bag diagnosis sensor unit

FAIL-SAFE

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

 With CONSULT

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT.

Is malfunctioning part detected?

YES

>> Refer to 

SRC-71, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-41, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010431059

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3

minutes or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device. 

1.

CHECK HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connectors.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to 

SR-28, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-71, "DTC Description"

.

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B1406–00

CONTROL UNIT 
(airbag control unit internal trouble, Energy 
Reserver)

Air bag diagnosis sensor unit is malfunctioning

B1407–00

CONTROL UNIT 
(airbag control unit internal trouble, driver IC1)

B1408–00

CONTROL UNIT 
(airbag control unit internal trouble, driver IC2)

B1409–00

CONTROL UNIT 
(airbag control unit internal trouble, driver IC3)

B1410–00

CONTROL UNIT 
(airbag control unit internal trouble, Power IC)

SRC-72

< DTC/CIRCUIT DIAGNOSIS >

B1406, B1407, B1408, B1409, B1410 AIR BAG DIAGNOSIS SENSOR UNIT

Is DTC detected?

YES

>> GO TO 1.

NO

>> INSPECTION END

B1411, B1412, B1413, B1414, B1415 AIR BAG DIAGNOSIS SENSOR UNIT

SRC-73

< DTC/CIRCUIT DIAGNOSIS >

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B1411, B1412, B1413, B1414, B1415 AIR BAG DIAGNOSIS SENSOR UNIT

DTC Description

INFOID:0000000010431060

DTC DETECTION LOGIC

POSSIBLE CAUSE

Malfunction in air bag diagnosis sensor unit

FAIL-SAFE

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

 With CONSULT

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT.

Is malfunctioning part detected?

YES

>> Refer to 

SRC-73, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-41, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010431061

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3

minutes or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device. 

1.

CHECK HARNESS CONNECTOR

Check the harness connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connectors.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B1411–00

CONTROL UNIT 
(airbag control unit internal trouble, SUB IC)

Air bag diagnosis sensor unit is malfunctioning

B1412–00

CONTROL UNIT 
(airbag control unit internal trouble, communi-
cation IC1)

B1413–00

CONTROL UNIT 
(airbag control unit internal trouble, communi-
cation IC2)

B1414–00

CONTROL UNIT 
[airbag control unit internal trouble, Main mi-
cro controller (CPU)]

B1415–00

CONTROL UNIT 
[airbag control unit internal trouble, Sub mi-
crocontroller (CPU)]

SRC-74

< DTC/CIRCUIT DIAGNOSIS >

B1411, B1412, B1413, B1414, B1415 AIR BAG DIAGNOSIS SENSOR UNIT

3.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to 

SR-28, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-73, "DTC Description"

.

Is DTC detected?

YES

>> GO TO 1.

NO

>> INSPECTION END

B1416, B1417, B1418, B1419, B1420 AIR BAG DIAGNOSIS SENSOR UNIT

SRC-75

< DTC/CIRCUIT DIAGNOSIS >

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B1416, B1417, B1418, B1419, B1420 AIR BAG DIAGNOSIS SENSOR UNIT

DTC Description

INFOID:0000000010431062

DTC DETECTION LOGIC

POSSIBLE CAUSE

Malfunction in air bag diagnosis sensor unit

FAIL-SAFE

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

 With CONSULT

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT.

Is malfunctioning part detected?

YES

>> Refer to 

SRC-75, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-41, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010431063

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3

minutes or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device. 

1.

CHECK HARNESS CONNECTOR

Check the harness connector.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace harness connectors.

2.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace wiring harness.

3.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B1416–00

CONTROL UNIT
(airbag control unit internal trouble, EE-
PROM)

Air bag diagnosis sensor unit is malfunctioning

B1417–00

CONTROL UNIT
(airbag control unit internal trouble, Algorithm)

B1418–00

CONTROL UNIT
(airbag control unit internal trouble, Configu-
ration)

B1419–00

CONTROL UNIT
(airbag control unit internal trouble, other 
component)

B1420–00

CONTROL UNIT
(airbag control unit internal trouble, other)

SRC-76

< DTC/CIRCUIT DIAGNOSIS >

B1416, B1417, B1418, B1419, B1420 AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit. Refer to 

SR-28, "Removal and Installation"

.

2.

Perform DTC confirmation procedure. Refer to 

SRC-75, "DTC Description"

.

Is DTC detected?

YES

>>  GO TO 1.

NO

>> INSPECTION END

B1421 FRONTAL COLLISION DETECTION

SRC-77

< DTC/CIRCUIT DIAGNOSIS >

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B1421 FRONTAL COLLISION DETECTION

DTC Description

INFOID:0000000010431064

DTC DETECTION LOGIC

POSSIBLE CAUSE

FAIL-SAFE

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

 With CONSULT

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT.

Is malfunctioning part detected?

YES

>> Refer to 

SRC-77, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-41, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010431065

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3

minutes or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device. 

1.

PERFORM COLLISION DIAGNOSIS

Perform collision diagnosis. Refer to 

SR-7, "FOR FRONTAL COLLISION : When SRS is activated in a colli-

sion"

 or 

SR-8, "FOR FRONTAL COLLISION : When SRS is not activated in a collision"

.

>> GO TO 2.

2.

FINAL INSPECTION

Perform “AIR BAG” Self Diagnostic Result.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Perform diagnosis of applicable DTC. Refer to 

SRC-19, "DTC Index"

.

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B1421–00

FRONTAL COLLISION
(Firing Record, Frontal)

 Driver air bag, passenger air bag, seat belt pre-tensioner and lap pre-
tensioner are deployed

SRC-78

< DTC/CIRCUIT DIAGNOSIS >

B1422 SIDE COLLISION DETECTION

B1422 SIDE COLLISION DETECTION

DTC Description

INFOID:0000000010431066

DTC DETECTION LOGIC

POSSIBLE CAUSE

FAIL-SAFE

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

 With CONSULT

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT.

Is malfunctioning part detected?

YES

>> Refer to 

SRC-78, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-41, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010431067

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3

minutes or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device. 

1.

PERFORM COLLISION DIAGNOSIS

Perform collision diagnosis. Refer to 

SR-9, "FOR SIDE AND ROLLOVER COLLISION : When SRS is acti-

vated in a collision"

 or 

SR-10, "FOR SIDE AND ROLLOVER COLLISION : When SRS is not activated in a col-

lision"

.

>> GO TO 2.

2.

FINAL INSPECTION

Perform “AIR BAG” Self Diagnostic Result.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Perform diagnosis of applicable DTC. Refer to 

SRC-19, "DTC Index"

.

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B1422–00

SIDE COLLISION
(Firing Record, Side)

Side air bag and curtain air bag are deployed

B1425 REAR COLLISION DETECTION

SRC-79

< DTC/CIRCUIT DIAGNOSIS >

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B1425 REAR COLLISION DETECTION

DTC Description

INFOID:0000000010431068

DTC DETECTION LOGIC

POSSIBLE CAUSE

FAIL-SAFE

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF-DIAG RESULT

 With CONSULT

1.

Turn ignition switch ON.

2.

Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT.

Is malfunctioning part detected?

YES

>> Refer to 

SRC-79, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-41, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010431069

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3

minutes or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device. 

1.

PERFORM COLLISION DIAGNOSIS

Perform collision diagnosis. Refer to 

SR-7, "FOR FRONTAL COLLISION : When SRS is activated in a colli-

sion"

 or 

SR-8, "FOR FRONTAL COLLISION : When SRS is not activated in a collision"

.

>> GO TO 2.

2.

FINAL INSPECTION

Perform “AIR BAG” Self Diagnostic Result.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Perform diagnosis of applicable DTC. Refer to 

SRC-19, "DTC Index"

.

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B1425–00

REAR COLLISION
(Rear Crash Detect)

Rear collision detected

SRC-80

< DTC/CIRCUIT DIAGNOSIS >

B1427 CONFIG SETTING

B1427 CONFIG SETTING

DTC Description

INFOID:0000000010431978

DTC DETECTION LOGIC

POSSIBLE CAUSE

[B1427–55]

Mistake of configuration for air bag diagnosis sensor unit

[B1427–55]

Incomplete of configuration for air bag diagnosis sensor unit

FAIL-SAFE

Diagnosis Procedure

INFOID:0000000010431979

1.

PERFORM CONFIGURATION

Perform configuration for air bag diagnosis sensor unit.

>> Refer to 

SRC-38, "Description"

.

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B1427–54

CONFIG SETTING
(Configuration setting)

When errors are detected in the configuration data stored in the air bag 
diagnosis sensor unit

B1427–55

When no data are stored in the air bag diagnosis sensor unit

 

 

 

 

 

 

 

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