Infiniti G37 Coupe. Manual — part 1207
SRC-78
< COMPONENT DIAGNOSIS >
B1088 PRE-TEN FRONT LH
>> GO TO 2.
2.
CHECK AIR BAG WARNING LAMP
Check the warning lamp status.
Is malfunctioning part detected?
YES
>> Refer to
.
NO
>> INSPECTION END.
Diagnosis Procedure (Component diagnosis)
INFOID:0000000001694568
With CONSULT-lll
WARNING:
• 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 connection of harness connector.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or 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 FRONT SEAT BELT PRE-TENSIONER
1.
Replace front LH seat belt pre-tensioner.
2.
Check the screen of CONSULT-lll.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Check the intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
B1089 PRE-TEN FRONT LH
SRC-79
< COMPONENT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1089 PRE-TEN FRONT LH
Description
INFOID:0000000001694569
DTC B1089 [SHORT] PRE-TEN FRONT LH
For front LH seat belt pre-tensioner, crash is judged by main “G” sensor output signal and sub “G” sensor in
front direction.
OPERATION
In the case of a frontal collision that exceeds specified impact level, the diagnosis sensor unit detects the
deceleration caused by collision. If restrains the passenger with seat belt easing the stress on passengers
chest with load limiter.
STRUCTURE
The restraint system for front seat occupant consists of the pre-tensioner mechanism and load limiter mecha-
nism.
INSTALLATION
Front LH seat belt pre-tensioner is installed on the underside of center pillar with fixed nuts.
DTC Logic
INFOID:0000000001694570
DTC DETECTION LOGIC
With CONSULT-lll
DTC No. Index (“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)
DTC CONFIRMATION PROCEDURE (With CONSULT-lll)
1.
INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.
CHECK SELF-DIAG RESULT
Check the screen of CONSULT-lll.
Is malfunctioning part detected?
YES
>> Refer to
SRC-80, "Diagnosis Procedure (Component diagnosis)"
NO
>> INSPECTION END.
DTC CONFIRMATION PROCEDURE (Without CONSULT-lll)
NOTE:
• SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.
INSPECTION START
Turn ignition switch ON.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1089
PRE-TEN FRONT LH
[SHORT]
Front LH seat belt pre-tensioner circuit
are shorted to each other.
• Disconnection of wiring harness and
short.
• Internal breakdown in front LH seat
belt pre-tensioner.
• Internal breakdown in diagnosis sen-
sor unit (ACU).
SRC-80
< COMPONENT DIAGNOSIS >
B1089 PRE-TEN FRONT LH
>> GO TO 2.
2.
CHECK AIR BAG WARNING LAMP
Check the warning lamp status.
Is malfunctioning part detected?
YES
>> Refer to
.
NO
>> INSPECTION END.
Diagnosis Procedure (Component diagnosis)
INFOID:0000000001694571
With CONSULT-lll
WARNING:
• 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 connection of harness connector.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or 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 FRONT SEAT BELT PRE-TENSIONER
1.
Replace front LH seat belt pre-tensioner.
2.
Check the screen of CONSULT-lll.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Check the intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
B1106, B1107, B1108, B1109, B1110, B1111 DIAGNOSIS SENSOR UNIT
SRC-81
< COMPONENT DIAGNOSIS >
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G
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SRC
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B1106, B1107, B1108, B1109, B1110, B1111 DIAGNOSIS SENSOR UNIT
Description
INFOID:0000000001694572
DTC B1106, B1107, B1108, B1109, B1110, B1111 DIAGNOSIS SENSOR UNIT
Detects the whole SRS electrical system and displays the malfunction either by illuminating or blinking the air
bag warning lamp in the combination meter. Malfunctioning part can be detected by on board self-diagnosis
system and electro-diagnosis tester CONSULT-lll.
OPERATION
It detects a shock that exceeds specified level and monitors such systems as the driver and passenger air
bag, side air bag, curtain air bag, pre-tensioner seat belts and Occupant Classification System (OCS) operate
properly.
STRUCTURE
It contains the “G” sensors for both frontal and side collisions and spare battery function in case of main bat-
tery damage in collision.
INSTALLATION
SRS diagnosis sensor unit is installed under the center console with fixed bolts.
DTC Logic
INFOID:0000000001694573
DTC DETECTION LOGIC
With CONSULT-lll
DTC No. Index (“SELF-DIAG [CURRENT]”), (“SELF-DIAG [PAST]” or “TROUBLE DIAG RECORD”)
DTC CONFIRMATION PROCEDURE (With CONSULT-lll)
1.
INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.
CHECK SELF-DIAG RESULT
Check the screen of CONSULT-lll.
Is malfunctioning part detected?
YES
>> Refer to
SRC-82, "Diagnosis Procedure (Component diagnosis)"
NO
>> INSPECTION END.
DTC CONFIRMATION PROCEDURE (Without CONSULT-lll)
NOTE:
• SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.
INSPECTION START
Turn ignition switch ON.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1106
B1107
B1108
B1109
B1110
B1111
CONTROL UNIT
Diagnosis sensor unit is out of order.
Internal breakdown in diagnosis sensor
unit (ACU).
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