Nissan March K13. Instruction — part 625
B1074, B1075, B1076, B1077, B1078, B1079 DIAGNOSIS SENSOR UNIT
SRC-39
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1074, B1075, B1076, B1077, B1078, B1079 DIAGNOSIS SENSOR UNIT
Description
INFOID:0000000006055200
• It detects a shock that is more than the specified level and monitors whether the driver air bag operates nor-
mally.
• It contains the “G” sensor for frontal collisions and spare battery function in case of main battery damage in
collision.
DTC Logic
INFOID:0000000005987919
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-7, "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:0000000005987920
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-29, "Removal and Installation"
2.
Perform DTC confirmation procedure. Refer to
.
DTC
Display contents of
CONSULT-III
DTC detecting condition
Possible cause
B1074
B1075
B1076
B1077
B1078
B1079
CONTROL UNIT
Air bag diagnosis sensor unit is malfunctioning
Malfunction in air bag diagnosis sensor unit
SRC-40
< DTC/CIRCUIT DIAGNOSIS >
B1074, B1075, B1076, B1077, B1078, B1079 DIAGNOSIS SENSOR UNIT
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
B1209 FRONTAL COLLISION DETECTION
SRC-41
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
B1209 FRONTAL COLLISION DETECTION
Description
INFOID:0000000005988041
The air bag are activated by the air bag diagnosis sensor unit signal transmitted at the time of the frontal colli-
sion.
DTC Logic
INFOID:0000000005988042
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-7, "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:0000000005988043
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-6, "FOR FRONTAL COLLISION : When SRS is activated in a colli-
SR-7, "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 CON-
SULT-III
DTC detecting condition
Possible cause
B1209
FRONTAL COLLISION
DETECTION
Driver side air bag is deployed
—
SRC-42
< SYMPTOM DIAGNOSIS >
SRS AIR BAG WARNING LAMP DOES NOT TURN OFF
SYMPTOM DIAGNOSIS
SRS AIR BAG WARNING LAMP DOES NOT TURN OFF
Diagnosis Procedure
INFOID:0000000005911349
1.
CHECK AIR BAG MODULE AND SEAT BELT PRE-TENSIONER
Check the deployment of air bag module.
Is air bag module deployed?
YES
>> Replace the malfunctioning parts.
NO
>> GO TO 2.
2.
CHECK AIR BAG FUSE
Check 10 A fuse [No.5, located in fuse block (J/B)].
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace the fuse.
3.
CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace harness connectors.
4.
CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace wiring harness.
5.
REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1.
Replace air bag diagnosis sensor unit. Refer to
SR-29, "Removal and Installation"
2.
Check air bag warning lamp operation.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 6.
6.
REPLACE COMBINATION METER
1.
Replace combination meter. Refer to
2.
Check air bag warning lamp operation.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 1.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст