Nissan Cube. Manual — part 902
B1137 SIDE AIR BAG MODULE LH
SRC-125
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SRC
N
O
P
4.
REPLACE SIDE AIR BAG MODULE
1.
Replace side air bag module LH. Refer to
.
2.
Perform DTC confirmation procedure. Refer to
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
SRC-126
< DTC/CIRCUIT DIAGNOSIS >
B1138, B1139, B1140, B1141, B1142, B1143 DIAGNOSIS SENSOR UNIT
B1138, B1139, B1140, B1141, B1142, B1143 DIAGNOSIS SENSOR UNIT
Description
INFOID:0000000009946247
• 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:0000000009946248
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
SRC-126, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009946249
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
2.
Perform DTC confirmation procedure. Refer to
DTC
Display contents of
CONSULT
DTC detecting condition
Possible cause
B1138
B1139
B1140
B1141
B1142
B1143
CONTROL UNIT
Air bag diagnosis sensor unit is malfunctioning
Malfunction in air bag diagnosis sensor unit
B1138, B1139, B1140, B1141, B1142, B1143 DIAGNOSIS SENSOR UNIT
SRC-127
< 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-128
< DTC/CIRCUIT DIAGNOSIS >
B1144 DIAGNOSIS SENSOR UNIT
B1144 DIAGNOSIS SENSOR UNIT
Description
INFOID:0000000009946250
• 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:0000000009946251
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
SRC-128, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009946252
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
2.
Perform DTC confirmation procedure. Refer to
Is DTC detected?
YES
>> GO TO 1.
NO
>> INSPECTION END
DTC
Display contents of CON-
SULT
DTC detecting condition
Possible cause
B1144
Diagnosis sensor unit
Air bag diagnosis sensor unit is malfunctioning
or out of the specification
• Malfunction in air bag diagnosis sensor unit
• Configuration in air bag diagnosis sensor unit
does not match the vehicles specification
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