Infiniti QX56 (Z62). Manual — part 1246
SRC-188
< DTC/CIRCUIT DIAGNOSIS >
B1311 SATELLITE SEN LH
B1311 SATELLITE SEN LH
DTC Logic
INFOID:0000000006220151
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
SRC-188, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006220152
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 REAR SATELLITE SENSOR
1.
Replace rear satellite sensor LH. Refer to
SR-24, "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
B1311
SATELLITE SENS LH
[UNIT FAIL]
Rear satellite sensor LH is malfunctioning
• Disconnection of wiring harness
• Malfunction in rear satellite sensor LH
• Malfunction in air bag diagnosis sensor unit
B1311 SATELLITE SEN LH
SRC-189
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
NO
>> INSPECTION END
SRC-190
< DTC/CIRCUIT DIAGNOSIS >
B1313, B1315, B1316, B1317 SATELLITE SEN LH
B1313, B1315, B1316, B1317 SATELLITE SEN LH
DTC Logic
INFOID:0000000006220153
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
SRC-190, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006220154
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 REAR SATELLITE SENSOR
1.
Replace rear satellite sensor LH. Refer to
SR-24, "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?
DTC
Display contents of
CONSULT-III
DTC detecting condition
Possible cause
B1313
B1315
B1316
B1317
SATELLITE SENS LH
[COMM FAIL]
Rear satellite sensor LH is malfunctioning
or out of the specified specification
• Disconnection of wiring harness
• Malfunction in rear satellite sensor LH
• Malfunction in air bag diagnosis sensor unit
B1313, B1315, B1316, B1317 SATELLITE SEN LH
SRC-191
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
YES
>> GO TO 1.
NO
>> INSPECTION END
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