Nissan Quest E52. Instruction — part 1158
B1199 CURTAIN AIR BAG MODULE LH
SRC-161
< DTC/CIRCUIT DIAGNOSIS >
C
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SRC
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B1199 CURTAIN AIR BAG MODULE LH
DTC Logic
INFOID:0000000009649991
DTC DETECTION LOGIC
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.
Without CONSULT
1.
Turn ignition switch ON.
2.
Check the air bag warning lamp status. Refer to
SRC-15, "On Board Diagnosis Function"
.
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES
>> Refer to
SRC-161, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009649992
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 AIR BAG DIAGNOSIS SENSOR UNIT
1.
Replace air bag diagnosis sensor unit. Refer to
SR-21, "Removal and Installation"
2.
Perform DTC confirmation procedure. Refer to
Is DTC detected?
YES
>> GO TO 4.
NO
>> INSPECTION END
4.
REPLACE FRONT CURTAIN AIR BAG MODULE
1.
Replace front curtain air bag module LH. Refer to
SR-21, "Removal and Installation"
2.
Perform DTC confirmation procedure. Refer to
Is DTC detected?
YES
>> GO TO 1.
DTC
Display contents of
CONSULT
DTC detecting condition
Possible cause
B1199
CURTAIN MODULE LH
[VB-SHORT]
Front curtain air bag module LH circuit is
shorted to power supply circuit
• Disconnection of wiring harness and short
• Malfunction in front curtain air bag module LH
• Malfunction in air bag diagnosis sensor unit
SRC-162
< DTC/CIRCUIT DIAGNOSIS >
B1199 CURTAIN AIR BAG MODULE LH
NO
>> INSPECTION END
B1200 CURTAIN AIR BAG MODULE LH
SRC-163
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1200 CURTAIN AIR BAG MODULE LH
DTC Logic
INFOID:0000000009649993
DTC DETECTION LOGIC
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.
Without CONSULT
1.
Turn ignition switch ON.
2.
Check the air bag warning lamp status. Refer to
SRC-15, "On Board Diagnosis Function"
.
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES
>> Refer to
SRC-163, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009649994
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 AIR BAG DIAGNOSIS SENSOR UNIT
1.
Replace air bag diagnosis sensor unit. Refer to
SR-29, "Removal and Installation"
2.
Perform DTC confirmation procedure. Refer to
Is DTC detected?
YES
>> GO TO 4.
NO
>> INSPECTION END
4.
REPLACE FRONT CURTAIN AIR BAG MODULE
1.
Replace front curtain air bag module LH. Refer to
SR-21, "Removal and Installation"
2.
Perform DTC confirmation procedure. Refer to
Is DTC detected?
YES
>> GO TO 1.
DTC
Display contents of
CONSULT
DTC detecting condition
Possible cause
B1200
CURTAIN MODULE LH
[GND-SHORT]
Front curtain air bag module LH circuit is
shorted to ground
• Disconnection of wiring harness and short
• Malfunction in front curtain air bag module LH
• Malfunction in air bag diagnosis sensor unit
SRC-164
< DTC/CIRCUIT DIAGNOSIS >
B1200 CURTAIN AIR BAG MODULE LH
NO
>> INSPECTION END
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