Infiniti QX56 (Z62). Manual — part 1223
SRC-96
< DTC/CIRCUIT DIAGNOSIS >
B1088 SEAT BELT PRE-TENSIONER LH
NO
>> INSPECTION END
B1089 SEAT BELT PRE-TENSIONER LH
SRC-97
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1089 SEAT BELT PRE-TENSIONER LH
DTC Logic
INFOID:0000000006220032
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAG RESULT
With CONSULT-III
1.
Turn ignition switch ON.
2.
Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1.
Turn ignition switch ON.
2.
Check the air bag warning lamp status. Refer to
SRC-14, "On Board Diagnosis Function"
.
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES
>> Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006220033
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3
minutes or more. (To discharge backup capacitor.)
• Never use unspecified tester or other measuring device.
1.
CHECK HARNESS CONNECTOR
Check the 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.
REPLACE SEAT BELT PRE-TENSIONER
1.
Replace seat belt pre-tensioner LH. Refer to
SR-28, "Removal and Installation"
2.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected?
YES
>> GO TO 4.
NO
>> INSPECTION END
4.
REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1.
Replace air bag diagnosis sensor unit. Refer to
SR-26, "Removal and Installation"
2.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected?
YES
>> GO TO 1.
DTC
Display contents of
CONSULT-III
DTC detecting condition
Possible cause
B1089
PRE-TEN FRONT LH
[SHORT]
Seat belt pre-tensioner LH circuits are
shorted to each other
• Disconnection of wiring harness and short
• Malfunction in seat belt pre-tensioner LH
• Malfunction in air bag diagnosis sensor unit
SRC-98
< DTC/CIRCUIT DIAGNOSIS >
B1089 SEAT BELT PRE-TENSIONER LH
NO
>> INSPECTION END
B1090, B1091, B1092, B1093, B1094, B1095 DIAGNOSIS SENSOR UNIT
SRC-99
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1090, B1091, B1092, B1093, B1094, B1095 DIAGNOSIS SENSOR UNIT
DTC Logic
INFOID:0000000006220034
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAG RESULT
With CONSULT-III
1.
Turn ignition switch ON.
2.
Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1.
Turn ignition switch ON.
2.
Check the air bag warning lamp status. Refer to
SRC-14, "On Board Diagnosis Function"
.
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES
>> Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006220035
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait at least 3
minutes or more. (To discharge backup capacitor.)
• Never use unspecified tester or other measuring device.
1.
CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace harness connectors.
2.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace wiring harness.
3.
REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1.
Replace air bag diagnosis sensor unit. Refer to
SR-28, "Removal and Installation"
2.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
DTC
Display contents of
CONSULT-III
DTC detecting condition
Possible cause
B1090
B1091
B1092
B1093
B0194
B1095
CONTROL UNIT
Air bag diagnosis sensor unit is malfunctioning
Malfunction in air bag diagnosis sensor unit
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