Infiniti EX35. Manual — part 1370
SRC-106
< COMPONENT DIAGNOSIS >
B1145 CURTAIN MODULE RH
B1145 CURTAIN MODULE RH
Description
INFOID:0000000003591892
DTC B1145 [OPEN] CURTAIN MODULE RH
For RH side curtain air bag module, crash is judged by main “G” sensor output signal (left side:LH satellite
sensor, 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
RH side curtain air bag module mainly consists of air bag and inflator which inflates air bag.
INSTALLATION
RH side curtain air bag module is installed on the roof side with fixed bolts.
DTC Logic
INFOID:0000000003591893
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-106, "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:0000000003591894
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
B1145
CURTAIN MODULE RH
[OPEN]
RH side curtain air bag module circuit is
open
• Disconnection of wiring harness and
open
• Internal breakdown in RH side cur-
tain air bag module
• Replace air bag diagnosis sensor
unit
B1145 CURTAIN MODULE RH
SRC-107
< 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 RH 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-108
< COMPONENT DIAGNOSIS >
B1146 CURTAIN MODULE RH
B1146 CURTAIN MODULE RH
Description
INFOID:0000000003591895
DTC B1146 [VB-SHORT] CURTAIN MODULE RH
For RH side curtain air bag module, crash is judged by main “G” sensor output signal (left side:LH satellite
sensor, 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
RH side curtain air bag module mainly consists of air bag and inflator which inflates air bag.
INSTALLATION
RH side curtain air bag module is installed on the roof side with fixed bolts.
DTC Logic
INFOID:0000000003591896
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-108, "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:0000000003591897
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
B1146
CURTAIN MODULE RH
[VB-SHORT]
RH side curtain air bag module circuit is
shorted to some power supply circuit
• Disconnection of wiring harness and
short
• Internal breakdown in RH side cur-
tain air bag module
• Internal breakdown in air bag diag-
nosis sensor unit
B1146 CURTAIN MODULE RH
SRC-109
< 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 RH 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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