Nissan Cube. Instruction — part 881
B1025, B1032, B1048 OCCUPANT SYSTEM SENSOR
SRC-41
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
Is DTC detected?
YES
>> GO TO 4.
NO
>> INSPECTION END
4.
REPLACE OCCUPANT DETECTION SYSTEM SEAT SENSOR
1.
Replace passenger seat cushion frame. Refer to
.
2.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected?
YES
>> GO TO 5.
NO
>> INSPECTION END
5.
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
SRC-42
< DTC/CIRCUIT DIAGNOSIS >
B1026, B1027, B1028, B1029, B1030, B1031 DIAGNOSIS SENSOR UNIT
B1026, B1027, B1028, B1029, B1030, B1031 DIAGNOSIS SENSOR UNIT
Description
INFOID:0000000009946121
• It detects a shock that is more than the specified level and monitors whether the driver and passenger air
bags, side air bag, curtain air bag, and pre-tensioner seat belts operate normally.
• It contains the “G” sensors for both frontal and side collisions and spare battery function in case of main bat-
tery damage in collision.
DTC Logic
INFOID:0000000009946122
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAG RESULT
With CONSULT
1.
Turn ignition switch ON.
2.
Perform “AIR BAG” Self Diagnostic Result.
Without CONSULT
1.
Turn ignition switch ON.
2.
Check the air bag warning lamp status. Refer to
SRC-18, "Diagnosis with Air Bag Warning Lamp"
.
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:0000000009946123
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 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
2.
Perform DTC confirmation procedure. Refer to
.
DTC
Display contents of
CONSULT
DTC detecting condition
Possible cause
B1026
B1027
B1028
B1029
B1030
B1031
CONTROL UNIT
Air bag diagnosis sensor unit is malfunctioning
Malfunction in air bag diagnosis sensor unit
B1026, B1027, B1028, B1029, B1030, B1031 DIAGNOSIS SENSOR UNIT
SRC-43
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
SRC-44
< DTC/CIRCUIT DIAGNOSIS >
B1033, B1034 CRASH ZONE SENSOR
B1033, B1034 CRASH ZONE SENSOR
Description
INFOID:0000000009946124
Crash zone sensor is a G sensor that outputs voltage signal during deceleration at the time of a vehicle frontal
collision that is more than the specified limit is detected.
DTC Logic
INFOID:0000000009946125
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAG RESULT
With CONSULT
1.
Turn ignition switch ON.
2.
Perform “AIR BAG” Self Diagnostic Result.
Without CONSULT
1.
Turn ignition switch ON.
2.
Check the air bag warning lamp status. Refer to
SRC-18, "Diagnosis with Air Bag Warning Lamp"
.
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:0000000009946126
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 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 CRASH ZONE SENSOR
1.
Replace crash zone sensor. Refer to
.
2.
Perform DTC confirmation procedure. Refer to
.
Is DTC detected?
YES
>> GO TO 4.
NO
>> INSPECTION END
4.
REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
DTC
Display contents of
CONSULT
DTC detecting condition
Possible cause
B1033
B1034
CRASH ZONE SENSOR
[UNIT FAIL]
Crash zone sensor is malfunctioning
• Disconnection of wiring harness
• Malfunction in crash zone sensor
• Malfunction in air bag diagnosis sensor unit
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