Infiniti EX35. Manual — part 1372
SRC-114
< COMPONENT DIAGNOSIS >
B1150 CURTAIN MODULE LH
B1150 CURTAIN MODULE LH
Description
INFOID:0000000003591904
DTC B1150 [OPEN] CURTAIN MODULE LH
For LH side curtain air bag module, crash is judged by main “G” sensor output signal (left side:LH satellite sen-
sor, right side:RH satellite sensor) and Safing algorithm (left and right GP in air bag diagnosis sensor unit).
OPERATION
In case of collision whose acceleration exceeds the specified level, the ignition materials are ignited by electric
ignition system. The system burns and introduces the chemical reaction of gas generating materials to gener-
ate hot gases that flow into the air bag through a filter and expand the bag.
STRUCTURE
LH side curtain air bag module mainly consists of air bag and inflator which inflates air bag.
INSTALLATION
LH side curtain air bag module is installed on the roof side with fixed bolts.
DTC Logic
INFOID:0000000003591905
DTC DETECTION LOGIC
With CONSULT-III
DTC No. Index (“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)
DTC CONFIRMATION PROCEDURE (WITH CONSULT-III)
1.
CHECK SELF-DIAG RESULT
1.
Turn ignition switch ON.
2.
Check the screen of CONSULT-III.
Is malfunctioning part detected?
YES
>> Refer to
SRC-114, "Diagnosis Procedure"
NO
>> INSPECTION END
DTC CONFIRMATION PROCEDURE (WITHOUT CONSULT-III)
NOTE:
• SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.
CHECK AIR BAG WARNING LAMP
1.
Turn ignition switch ON.
2.
Check the air bag warning lamp status.
Is malfunctioning part detected?
YES
>> Refer to warning lamp flash code chart. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003591906
WITH CONSULT-III
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3
minutes. (To discharge backup capacitor.)
• Do not use unspecified tester or other measuring device.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1150
CURTAIN MODULE LH
[OPEN]
LH side curtain air bag module circuit is
open
• Disconnection of wiring harness and
open
• Internal breakdown in LH side cur-
tain air bag module
• Internal breakdown in air bag diag-
nosis sensor unit
B1150 CURTAIN MODULE LH
SRC-115
< COMPONENT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
DIAGNOSTIC PROCEDURE
1.
CHECK HARNESS CONNECTOR
Check the connection of 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.
CHECK SIDE CURTAIN AIR BAG MODULE
1.
Replace LH side curtain air bag module.
2.
Check “Self diagnostic result” with CONSULT-III.
3.
Perform DTC confirmation procedure. Refer to
Is DTC detected?
YES
>> GO TO 4.
NO
>> INSPECTION END
4.
CHECK AIR BAG DIAGNOSIS SENSOR UNIT
1.
Replace air bag diagnosis sensor unit. Refer to
2.
Check “Self diagnostic result” with CONSULT-III.
3.
Perform DTC confirmation procedure. Refer to
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
SRC-116
< COMPONENT DIAGNOSIS >
B1151 CURTAIN MODULE LH
B1151 CURTAIN MODULE LH
Description
INFOID:0000000003591907
DTC B1151 [VB-SHORT] CURTAIN MODULE LH
For LH side curtain air bag module, crash is judged by main “G” sensor output signal (left side:LH satellite sen-
sor, right side:RH satellite sensor) and Safing algorithm (left and right GP in air bag diagnosis sensor unit).
OPERATION
In case of collision whose acceleration exceeds the specified level, the ignition materials are ignited by electric
ignition system. The system burns and introduces the chemical reaction of gas generating materials to gener-
ate hot gases that flow into the air bag through a filter and expand the bag.
STRUCTURE
LH side curtain air bag module mainly consists of air bag and inflator which inflates air bag.
INSTALLATION
LH side curtain air bag module is installed on the roof side with fixed bolts.
DTC Logic
INFOID:0000000003591908
DTC DETECTION LOGIC
With CONSULT-III
DTC No. Index (“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)
DTC CONFIRMATION PROCEDURE (WITH CONSULT-III)
1.
CHECK SELF-DIAG RESULT
1.
Turn ignition switch ON.
2.
Check the screen of CONSULT-III.
Is malfunctioning part detected?
YES
>> Refer to
SRC-116, "Diagnosis Procedure"
NO
>> INSPECTION END
DTC CONFIRMATION PROCEDURE (WITHOUT CONSULT-III)
NOTE:
• SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.
CHECK AIR BAG WARNING LAMP
1.
Turn ignition switch ON.
2.
Check the air bag warning lamp status.
Is malfunctioning part detected?
YES
>> Refer to warning lamp flash code chart. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000003591909
WITH CONSULT-III
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3
minutes. (To discharge backup capacitor.)
• Do not use unspecified tester or other measuring device.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1151
CURTAIN MODULE LH
[VB-SHORT]
LH side curtain air bag module circuit is
shorted to some power supply circuit
• Disconnection of wiring harness and
short
• Internal breakdown in LH side cur-
tain air bag module
• Internal breakdown in air bag diag-
nosis sensor unit
B1151 CURTAIN MODULE LH
SRC-117
< COMPONENT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
DIAGNOSTIC PROCEDURE
1.
CHECK HARNESS CONNECTOR
Check the connection of 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.
CHECK SIDE CURTAIN AIR BAG MODULE
1.
Replace LH side curtain air bag module.
2.
Check “Self diagnostic result” with CONSULT-III.
3.
Perform DTC confirmation procedure. Refer to
Is DTC detected?
YES
>> GO TO 4.
NO
>> INSPECTION END
4.
CHECK AIR BAG DIAGNOSIS SENSOR UNIT
1.
Replace air bag diagnosis sensor unit. Refer to
2.
Check “Self diagnostic result” with CONSULT-III.
3.
Perform DTC confirmation procedure. Refer to
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
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