Infiniti QX56 (Z62). Manual — part 1243
SRC-176
< DTC/CIRCUIT DIAGNOSIS >
B1211 ROLLOVER DETECTION
B1211 ROLLOVER DETECTION
Description
INFOID:0000000006220134
The seat belt pre-tensioner, door-mounted curtain air bag and pop-up roll bar are activated by the air bag diag-
nosis sensor unit signal at the time of rollover.
DTC Logic
INFOID:0000000006220135
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAG RESULT
With CONSULT-III
1.
Turn ignition switch ON.
2.
Perform “AIR BAG” Self Diagnostic Result.
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-176, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006220136
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.
PERFORM COLLISION DIAGNOSIS
Perform collision diagnosis.Refer to
SR-7, "FOR SIDE AND ROLLOVER COLLISION : When SRS is activated
SR-8, "FOR SIDE AND ROLLOVER COLLISION : When SRS is not activated in a collision"
.
Iscollision diagnosis complete?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
FINAL INSPECTION
Perform “AIR BAG” Self Diagnostic Result.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Peform diagnosis of applicable DTC.Refer to
DTC
Display contents of
CONSULT-III
DTC detecting condition
Possible cause
B1211
ROLLOVER DETECTION
Seat belt pre-tensioner and curtain air bag module are
deployed because of rollover detection
—
B1212, B1213, B1214 SATELLITE SENSOR RH
SRC-177
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1212, B1213, B1214 SATELLITE SENSOR RH
DTC Logic
INFOID:0000000006220137
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-177, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006220138
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 FRONT SATELLITE SENSOR
1.
Replace front satellite sensor RH. 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
B1212
B1213
B1214
RH1 SAT-SENS
Front satellite sensor RH is malfunctioning
• Disconnection of wiring harness
• Malfunction in front satellite sensor RH
• Malfunction in air bag diagnosis sensor unit
SRC-178
< DTC/CIRCUIT DIAGNOSIS >
B1212, B1213, B1214 SATELLITE SENSOR RH
NO
>> INSPECTION END
B1215, B1216, B1217 SATELLITE SENSOR LH
SRC-179
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1215, B1216, B1217 SATELLITE SENSOR LH
DTC Logic
INFOID:0000000006220139
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-179, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006220140
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 FRONT SATELLITE SENSOR
1.
Replace front 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
B1215
B1216
B1217
LH1 SAT-SENS
Front satellite sensor LH is malfunctioning
• Disconnection of wiring harness
• Malfunction in front satellite sensor LH
• Malfunction in air bag diagnosis sensor unit
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