Qashqai J11. SRS Airbag control system — part 6
B142A IGN VOLTAGE
SRC-81
< DTC/CIRCUIT DIAGNOSIS >
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B142A IGN VOLTAGE
DTC Description
INFOID:0000000010431070
DTC DETECTION LOGIC
POSSIBLE CAUSE
[B142A–16]
• Malfunction of battery voltage (less than 9 V)
• Connection malfunction of harness or connector
• Internal malfunction of air bag diagnosis sensor unit
[B142A–17]
• Malfunction of battery voltage (more than 16 V)
• Connection malfunction of harness or connector
• Internal malfunction of 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
NO-1
>> To check malfunction symptom before repair: Refer to
GI-41, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010431071
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 BATTERY VOLTAGE
Check battery voltage. Refer to
PG-136, "FOR MAINTENANCE REQUIRED BATTERY MODELS : How to
(For maintenance required battery) or
PG-142, "FOR MAINTENANCE FREE BATTERY
MODELS : How to Handle Battery"
(For maintenance free battery).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace battery. Refer to
PG-155, "Removal and Installation"
2.
CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace harness connectors.
DTC
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B142A–16
IGNITION VOLTAGE
(Ignition voltage Low)
Power supply malfunction (low voltage) of air bag diagnosis sensor unit
B142A–17
IGNITION VOLTAGE
(Ignition voltage High)
Power supply malfunction (high voltage) of air bag diagnosis sensor
unit
SRC-82
< DTC/CIRCUIT DIAGNOSIS >
B142A IGN VOLTAGE
3.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace wiring harness.
4.
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
.
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
B1430 SEAT BELT PRE-TENSIONER
SRC-83
< DTC/CIRCUIT DIAGNOSIS >
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B1430 SEAT BELT PRE-TENSIONER
DTC Description
INFOID:0000000010431072
DTC DETECTION LOGIC
POSSIBLE CAUSE
[B1430–09, B1430–1A]
• Connection malfunction or short circuit of harness and connector
• Internal malfunction of seat belt pre-tensioner LH
• Internal malfunction of air bag diagnosis sensor unit
[B1430–11]
• Connection malfunction or short circuit to ground of harness and connector
• Internal malfunction of seat belt pre-tensioner LH
• Internal malfunction of air bag diagnosis sensor unit
[B1430–12]
• Connection malfunction or short circuit to power supply of harness and connector
• Internal malfunction of seat belt pre-tensioner LH
• Internal malfunction of air bag diagnosis sensor unit
[B1430–13]
• Connection malfunction or open circuit of harness and connector
• Internal malfunction of seat belt pre-tensioner LH
• Internal malfunction of 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
NO-1
>> To check malfunction symptom before repair: Refer to
GI-41, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
DTC
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B1430–09
PRE-TEN FRONT LH
[front seat belt pre-tensioner squib left hand
component failures (cross connection)]
Seat belt pre-tensioner LH circuits are shorted to each other
B1430–11
PRE-TEN FRONT LH
(front seat belt pre-tensioner squib left hand
circuit short to GND)
Seat belt pre-tensioner LH circuit is shorted to ground
B1430–12
PRE-TEN FRONT LH
(front seat belt pre-tensioner squib left hand
circuit short to battery)
Seat belt pre-tensioner LH circuit is shorted to power supply circuit
B1430–13
PRE-TEN FRONT LH
(front seat belt pre-tensioner squib left hand
circuit)
Seat belt pre-tensioner LH circuit is open
B1430–1A
PRE-TEN FRONT LH
(front seat belt pre-tensioner squib left hand
circuit resistance below threshold)
Seat belt pre-tensioner LH circuits are shorted to each other
SRC-84
< DTC/CIRCUIT DIAGNOSIS >
B1430 SEAT BELT PRE-TENSIONER
Diagnosis Procedure
INFOID:0000000010431073
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 connector.
2.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace wiring harness.
3.
REPLACE SEAT BELT PRE-TENSIONER LH
1.
Replace seat belt pre-tensioner LH. Refer to
SB-7, "SEAT BELT RETRACTOR : Removal and Installa-
2.
Perform DTC confirmation procedure. Refer to
.
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"
2.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
B1431 SEAT BELT PRE-TENSIONER
SRC-85
< DTC/CIRCUIT DIAGNOSIS >
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B1431 SEAT BELT PRE-TENSIONER
DTC Description
INFOID:0000000010431074
DTC DETECTION LOGIC
POSSIBLE CAUSE
[B1431–09, B1431–1A]
• Connection malfunction or short circuit of harness and connector
• Internal malfunction of seat belt pre-tensioner RH
• Internal malfunction of air bag diagnosis sensor unit
[B1431–11]
• Connection malfunction or short circuit to ground of harness and connector
• Internal malfunction of seat belt pre-tensioner RH
• Internal malfunction of air bag diagnosis sensor unit
[B1431–12]
• Connection malfunction or short circuit to power supply of harness and connector
• Internal malfunction of seat belt pre-tensioner RH
• Internal malfunction of air bag diagnosis sensor unit
[B1431–13]
• Connection malfunction or open circuit of harness and connector
• Internal malfunction of seat belt pre-tensioner RH
• Internal malfunction of 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
NO-1
>> To check malfunction symptom before repair: Refer to
GI-41, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
DTC
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B1431–09
PRE-TEN FRONT RH
[front seat belt pre-tensioner squib right hand
component failures (cross connection)]
Seat belt pre-tensioner RH circuits are shorted to each other
B1431–11
PRE-TEN FRONT RH
(front seat belt pre-tensioner squib right hand
circuit short to GND)
Seat belt pre-tensioner RH circuit is shorted to ground
B1431–12
PRE-TEN FRONT RH
(front seat belt pre-tensioner squib right hand
circuit short to battery)
Seat belt pre-tensioner RH circuit is shorted to power supply circuit
B1431–13
PRE-TEN FRONT RH
(front seat belt pre-tensioner squib right hand
circuit)
Seat belt pre-tensioner RH circuit is open
B1431–1A
PRE-TEN FRONT RH
(front seat belt pre-tensioner squib right hand
circuit resistance below threshold)
Seat belt pre-tensioner RH circuits are shorted to each other
SRC-86
< DTC/CIRCUIT DIAGNOSIS >
B1431 SEAT BELT PRE-TENSIONER
Diagnosis Procedure
INFOID:0000000010431075
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 connector.
2.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace wiring harness.
3.
REPLACE SEAT BELT PRE-TENSIONER RH
1.
Replace seat belt pre-tensioner RH. Refer to
SB-7, "SEAT BELT RETRACTOR : Removal and Installa-
2.
Perform DTC confirmation procedure. Refer to
.
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"
2.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
B1432 LAP PRE-TENSIONER
SRC-87
< DTC/CIRCUIT DIAGNOSIS >
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B1432 LAP PRE-TENSIONER
DTC Description
INFOID:0000000010431076
POSSIBLE CAUSE
[B1432–09, B1432–30]
• Connection malfunction or short circuit of harness and connector
• Internal malfunction of lap pre-tensioner LH
• Internal malfunction of air bag diagnosis sensor unit
[B1432–11]
• Connection malfunction or short circuit to ground of harness and connector
• Internal malfunction of lap pre-tensioner LH
• Internal malfunction of air bag diagnosis sensor unit
[B1432–12]
• Connection malfunction or short circuit to power supply of harness and connector
• Internal malfunction of lap pre-tensioner LH
• Internal malfunction of air bag diagnosis sensor unit
[B1432–13]
• Connection malfunction or open circuit of harness and connector
• Internal malfunction of lap pre-tensioner LH
• 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
NO-1
>> To check malfunction symptom before repair: Refer to
GI-41, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010431077
WARNING:
DTC
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B1432–09
PRE-TEN FRONT LH 2
[front lap seat belt pre-tensioner squib left
hand component failures (cross connection)]
Lap pre-tensioner LH circuits are shorted to each other
B1432–11
PRE-TEN FRONT LH 2
(front lap seat belt pre-tensioner squib left
hand circuit short to GND)
Lap pre-tensioner LH circuit is shorted to ground
B1432–12
PRE-TEN FRONT LH 2
(front lap seat belt pre-tensioner squib left
hand circuit short to battery)
Lap pre-tensioner LH circuit is shorted to power supply circuit
B1432–13
PRE-TEN FRONT LH 2
(front lap seat belt pre-tensioner squib left
hand circuit)
Lap pre-tensioner LH circuit is open
B1432–1A
PRE-TEN FRONT LH 2
(front lap seat belt pre-tensioner squib left
hand circuit resistance below threshold)
Lap pre-tensioner LH circuits are shorted to each other
SRC-88
< DTC/CIRCUIT DIAGNOSIS >
B1432 LAP PRE-TENSIONER
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3
minutes. (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 connector.
2.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace wiring harness.
3.
REPLACE LAP PRE-TENSIONER LH
1.
Replace lap pre-tensioner LH. Refer to
SB-7, "SEAT BELT RETRACTOR : Removal and Installation"
2.
Perform DTC confirmation procedure. Refer to
.
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"
2.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
B1433 LAP PRE-TENSIONER
SRC-89
< DTC/CIRCUIT DIAGNOSIS >
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B1433 LAP PRE-TENSIONER
DTC Description
INFOID:0000000010431078
POSSIBLE CAUSE
[B1433–09, B1433–1A]
• Connection malfunction or short circuit of harness and connector
• Internal malfunction of lap pre-tensioner RH
• Internal malfunction of air bag diagnosis sensor unit
[B1433–11]
• Connection malfunction or short circuit to ground of harness and connector
• Internal malfunction of lap pre-tensioner RH
• Internal malfunction of air bag diagnosis sensor unit
[B1433–12]
• Connection malfunction or short circuit to power supply of harness and connector
• Internal malfunction of lap pre-tensioner RH
• Internal malfunction of air bag diagnosis sensor unit
[B1433–13]
• Connection malfunction or open circuit of harness and connector
• Internal malfunction of lap pre-tensioner RH
• 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
NO-1
>> To check malfunction symptom before repair: Refer to
GI-41, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010431079
WARNING:
DTC
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B1433–09
PRE-TEN FRONT RH 2
[front lap seat belt pre-tensioner squib right
hand component failures (cross connection)]
Lap pre-tensioner RH circuits are shorted to each other
B1433–11
PRE-TEN FRONT RH 2
(front lap seat belt pre-tensioner squib right
hand circuit short to GND)
Lap pre-tensioner RH circuit is shorted to ground
B1433–12
PRE-TEN FRONT RH 2
(front lap seat belt pre-tensioner squib right
hand circuit short to battery)
Lap pre-tensioner RH circuit is shorted to power supply circuit
B1433–13
PRE-TEN FRONT RH 2
(front lap seat belt pre-tensioner squib right
hand circuit)
Lap pre-tensioner RH circuit is open
B1433–1A
PRE-TEN FRONT RH 2
(front lap seat belt pre-tensioner squib right
hand circuit resistance below threshold)
Lap pre-tensioner RH circuits are shorted to each other
SRC-90
< DTC/CIRCUIT DIAGNOSIS >
B1433 LAP PRE-TENSIONER
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3
minutes. (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 connector.
2.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace wiring harness.
3.
REPLACE LAP PRE-TENSIONER RH
1.
Replace lap pre-tensioner RH. Refer to
SB-7, "SEAT BELT RETRACTOR : Removal and Installation"
.
2.
Perform DTC confirmation procedure. Refer to
.
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"
2.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
SRS AIR BAG WARNING LAMP DOES NOT TURN OFF
SRC-91
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
SRS AIR BAG WARNING LAMP DOES NOT TURN OFF
Diagnosis Procedure
INFOID:0000000010377880
1.
CHECK 12V BATTERY
Check 12V battery. Refer to
PG-136, "FOR MAINTENANCE REQUIRED BATTERY MODELS : How to Han-
(For maintenance required battery) or
PG-142, "FOR MAINTENANCE FREE BATTERY MODELS
(For maintenance free battery).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning parts.
2.
CHECK DTC WITH AIR BAG DIAGNOSIS SENSOR UNIT
Check that DTC is not detected with air bag diagnosis sensor unit.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Refer to
3.
CHECK COMBINATION METER POWER SUPPLY AND GROUND CIRCUIT
Check combination meter unit power supply and ground circuit. Refer to
.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace the malfunctioning parts.
4.
REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1.
Replace air bag diagnosis sensor unit. Refer to
SR-28, "Removal and Installation"
2.
Check air bag warning lamp operation.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 5.
5.
REPLACE COMBINATION METER
1.
Replace combination meter. Refer to
MWI-80, "Removal and Installation"
2.
Check air bag warning lamp operation.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
SRC-92
< SYMPTOM DIAGNOSIS >
SRS AIR BAG WARNING LAMP DOES NOT TURN ON
SRS AIR BAG WARNING LAMP DOES NOT TURN ON
Diagnosis Procedure
INFOID:0000000010377881
1.
CHECK DTC WITH AIR BAG DIAGNOSIS SENSOR UNIT AND COMBINATION METER
Check that DTC is not detected with air bag diagnosis sensor unit and combination meter.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Refer to
(air bag diagnosis sensor unit) and
nation meter).
2.
CHECK COMBINATION METER POWER SUPPLY AND GROUND CIRCUIT
Check combination meter unit power supply and ground circuit. Refer to
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace the malfunctioning parts.
3.
CHECK AIR BAG FUSE
Check 10 A fuse [No. 2, located in fuse block (J/B)].
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace the fuse.
4.
CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace harness connectors.
5.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace wiring harness.
6.
REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1.
Replace air bag diagnosis sensor unit. Refer to
SR-28, "Removal and Installation"
2.
Check air bag warning lamp operation.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 7.
7.
REPLACE COMBINATION METER
1.
Replace combination meter. Refer to
MWI-80, "Removal and Installation"
2.
Check air bag warning lamp operation.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
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