Infiniti QX56 (Z62). Manual — part 1242
SRC-172
< DTC/CIRCUIT DIAGNOSIS >
B1201 CURTAIN AIR BAG MODULE LH
NO
>> INSPECTION END
B1202, B1203, B1204, B1205, B1206, B1207 DIAGNOSIS SENSOR UNIT
SRC-173
< DTC/CIRCUIT DIAGNOSIS >
C
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A
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SRC
N
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B1202, B1203, B1204, B1205, B1206, B1207 DIAGNOSIS SENSOR UNIT
DTC Logic
INFOID:0000000006220126
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-173, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006220127
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-26, "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
B1202
B1203
B1204
B1205
B1206
B1207
CONTROL UNIT
Air bag diagnosis sensor unit is malfunctioning
Malfunction in air bag diagnosis sensor unit
SRC-174
< DTC/CIRCUIT DIAGNOSIS >
B1209 FRONTAL COLLISION DETECTION
B1209 FRONTAL COLLISION DETECTION
Description
INFOID:0000000006220128
The air bags and seat belt pre-tensioners for driver and passenger are activated by the air bag diagnosis sen-
sor unit signal transmitted at the time of the frontal collision.
DTC Logic
INFOID:0000000006220129
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-174, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006220130
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-5, "FOR FRONTAL COLLISION : When SRS is activated in a colli-
SR-6, "FOR FRONTAL COLLISION : When SRS is not activated in a collision"
.
Is collision 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
>> Perform diagnosis of applicable DTC.Refer to
DTC
Display contents of
CONSULT-III
DTC detecting condition
Possible cause
B1209
FRONTAL COLLI-
SION DETECTION
Seat belt pre-tensioner, driver side air bag and passen-
ger air bag are deployed
—
B1210 SIDE COLLISION DETECTION
SRC-175
< DTC/CIRCUIT DIAGNOSIS >
C
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B
SRC
N
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B1210 SIDE COLLISION DETECTION
Description
INFOID:0000000006220131
The side air bag and curtain air bag are activated by the air bag diagnosis sensor unit signal transmitted at the
time of side collision.
DTC Logic
INFOID:0000000006220132
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-175, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006220133
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
or
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
B1210
SIDE COLLISION
DETECTION
Side air bag and curtain air bag are deployed
—
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