Infiniti G35 (V35) Sedan. Manual — part 1237
SRC-96
< COMPONENT DIAGNOSIS >
B1086 PRE-TEN FRONT LH
With CONSULT-lll
CAUTION:
• 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 wire harness normal, without any damage?
YES
>> GO TO 3.
NO
>> Replace wiring harness.
3.
CHECK SEAT BELT PRE-TENSIONER
Check the displayed on CONSULT-lll?
Is “SEAT BELT PRE-TENSIONER” displayed on CONSULT-lll?
YES
>> Replace seat belt pre-tensioner.
NO
>> Replace diagnosis sensor unit (ACU).
B1087 PRE-TEN FRONT LH
SRC-97
< COMPONENT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1087 PRE-TEN FRONT LH
Description
INFOID:0000000000959675
DTC B1087 [VB-SHORT] PRE-TEN FRONT LH
For seat belt pre-tensioner, crash is judged by main “G” sensor output signal and sub “G” sensor in front direc-
tion.
OPERATION
In case of frontal collision that exceeds specified impact level, the diagnosis sensor unit detects the decelera-
tion caused by collision. If restrains the passenger with seat belt easing the stress on passengers chest with
load limitter.
STRUCTURE
The restraint system for front seat occupant consists of the pre-tensioner mechanism and load limitter mecha-
nism.
INSTALLATION
Seat belt pre-tensioner is installed on the under side of center pillar with fixed nuts.
DTC Logic
INFOID:0000000000959676
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
B1087
PRE-TEN FRONT LH
[VB-SHORT]
Front LH seat belt pretensioner circuit is
shorted to some power supply circuit.
1.
Visually check the wiring harness-
connection.
2.
Replace the harness if it has visi-
ble damage.
3.
Replace front LH seat belt.
4.
Replace diagnosis sensor unit
(ACU).
JMHIA0038GB
SRC-98
< COMPONENT DIAGNOSIS >
B1087 PRE-TEN FRONT LH
>> 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:0000000000959677
B1087 PRE-TEN FRONT LH
SRC-99
< COMPONENT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
With CONSULT-lll
CAUTION:
• 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 wire harness normal, without any damage?
YES
>> GO TO 3.
NO
>> Replace wiring harness.
3.
CHECK SEAT BELT PRE-TENSIONER
Check the displayed on CONSULT-lll?
Is “SEAT BELT PRE-TENSIONER” displayed on CONSULT-lll?
YES
>> Replace seat belt pre-tensioner.
NO
>> Replace diagnosis sensor unit (ACU).
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