Infiniti G35 (V35) Sedan. Manual — part 1227
SRC-56
< COMPONENT DIAGNOSIS >
B1055 DRIVER AIRBAG MODULE
>> GO TO 3.
3.
DTC CODE.
If DTC is detected. Refer to
>> END
DTC CONFIRMATION PROCEDURE (Without CONSULT-lll)
NOTE:
• SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.
IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 2.
2.
USER MODE-DIAG MODE
After air bag warning lamp illuminates for 7 seconds, turn ignition switch OFF within 1 second.
>> GO TO 3.
3.
USER MODE-DIAG MODE
Wait more than 3 seconds.
>> GO TO 4.
4.
USER MODE-DIAG MODE
Repeat step 1 to 3 twice perform three times in all.
>> GO TO 5.
5.
DIAG MODE
Turn ignition switch ON now in diagnosis mode.
>> GO TO 6.
6.
DIAG MODE (AIR BAG WARNING LAMP)
Malfunctioning portion is indicated according to blinking times of air bag warning lamp. Refer to
>> END
Diagnosis Procedure (Component diagnosis)
INFOID:0000000000959635
With CONSULT-lll
CAUTION:
B1055 DRIVER AIRBAG MODULE
SRC-57
< COMPONENT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
• Before servicing, turn ignition switch OFF, disconnect both battery terminals and wait at least 3 min-
utes. (To discharge backup capacitor.)
• Do not use unspecified tester or other measuring device.
DIAGNOSTIC PROCEDURE
1.
CHECK HARNESS CONNECTOR
Check the harness connector.
Are connections of harness connectors and terminals correct?
YES
>> GO TO 2.
NO
>> Repair or replace harness connector.
2.
CHECK WIRING HARNESS
Check the wiring harness.
Is the outside of wiring harness normal, without any damage?
YES
>> GO TO 3.
NO
>> Replace wiring harness.
3.
CHECK SPIRAL CABLE
Check the spiral cable.
Is continuity of spiral cable good?
YES
>> GO TO 4.
NO
>> Repair or replace spiral cable.
4.
CHECK DRIVER AIR BAG MODULE
Check the displayed on CONSULT-lll.
Is “AIR BAG” displayed on CONSULT-lll?
YES
>> Replace driver air bag module
NO
>> Replace diagnosis sensor unit (ACU).
SRC-58
< COMPONENT DIAGNOSIS >
B1056 DRIVER AIRBAG MODULE
B1056 DRIVER AIRBAG MODULE
Description
INFOID:0000000000959636
DTC B1056 [GND-SHORT] DRIVER AIRBAG MODULE
For driver “AIR BAG”, crash is judged by main “G” sensor output signal and sub “G” sensor in front direction.
OPERATION
In case of frontal 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
generate hot gases that flow into the air bag through a filter and expand the bag.
STRUCTURE
Air bag module mainly consists of air bag and inflator which inflates air bag.
INSTALLATION
Driver air bag module is installed on the center of steering wheel with fixed bolts.
DTC Logic
INFOID:0000000000959637
DTC DETECTION LOGIC
With CONSULT-lll
DTC No. Index (“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)
Without CONSULT-lll
Warning Lamp Flash Code Chart
DTC CONFIRMATION PROCEDURE (With CONSULT-lll)
1.
IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 2.
2.
CONSULT-LLL
Select “DIAG MODE” with CONSULT-lll.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1056
DRIVER AIRBAG MOD-
ULE
[GND-SHORT]
Driver air bag module circuit is shorted
to ground
(including the spiral cable).
1.
Visually check the wiring harness-
connection.
2.
Replace the harness if it has visi-
ble damage.
3.
Replace driver air bag module.
4.
Replace spiral cable.
5.
Replace diagnosis sensor unit
(ACU).
JMHIA0033GB
B1056 DRIVER AIRBAG MODULE
SRC-59
< COMPONENT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
>> GO TO 3.
3.
DTC CODE
If DTC is detected. Refer to
>> END
DTC CONFIRMATION PROCEDURE (Without CONSULT-lll)
NOTE:
• SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.
IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 2.
2.
USER MODE-DIAG MODE
After air bag warning lamp illuminates for 7 seconds, turn ignition switch OFF within 1 second.
>> GO TO 3.
3.
USER MODE-DIAG MODE
Wait more than 3 seconds.
>> GO TO 4.
4.
USER MODE-DIAG MODE
Repeat step 1 to 3 twice. (Perform three times in all.)
>> GO TO 5.
5.
DIAG MODE
Turn ignition switch ON. (SRS is now in diagnosis mode.)
>> GO TO 6.
6.
DIAG MODE (AIR BAG WARNING LAMP)
Malfunctioning portion is indicated according to blinking times of air bag warning lamp. Refer to
>> END
Diagnosis Procedure (Component diagnosis)
INFOID:0000000000959638
With CONSULT-lll
CAUTION:
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