Nissan Altima 2007-2012 Service Manual: B1049 – B1052, B1054 – B1057 driver airbag module
Description
DTC B1049 – B1052, B1054 – B1057 DRIVER AIRBAG MODULE
The driver air bag module is dual stage and wired to the air bag diagnosis sensor unit through the spiral cable.
The air bag diagnosis sensor unit will monitor for opens and shorts in detected lines to the driver air bag module including the spiral cable.
PART LOCATION
Refer to SRC-7, "SRS Component Parts Location".
DTC Logic
DTC DETECTION LOGIC
With CONSULT-lll
Without CONSULT-lll
DTC CONFIRMATION PROCEDURE (With CONSULT-lll)
1.INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.CHECK SELF-DIAG RESULT
Check for the DTC on CONSULT-lll.
Is the DTC detected? YES >> Refer to SRC-17, "Diagnosis Procedure (Component Diagnosis)".
NO >> Inspection End.
DTC CONFIRMATION PROCEDURE (Without CONSULT-lll)
NOTE: SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 2
2.IGNITION SWITCH
After air bag warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.
>> GO TO 3
3.WAIT TIME
Wait more than 3 seconds.
>> GO TO 4
4.REPEAT STEPS
Repeat steps 1 to 3 twice.
>> GO TO 5
5.IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 6
6.DIAGNOSTIC MODE
SRS system is now in diagnostic mode and AIR BAG warning lamp flashes. Refer to SRC-70, "Trouble Diagnosis without CONSULT-III".
>> END
Diagnosis Procedure (Component Diagnosis)
Recheck SRS after each replacement.
1.HARNESS CONNECTOR
Is there any visible damage to the connector? YES or NO
YES >> Replace the harness.
NO >> GO TO 2
2.WIRING HARNESS
Is there any visible damage to the harness? YES or NO
YES >> Replace the harness.
NO >> GO TO 3
3.DRIVER AIR BAG MODULE
Replace the driver air bag module. Refer to SR-5, "Removal and Installation".
>> GO TO 4
4.SPIRAL CABLE
Replace the spiral cable. Refer to SR-8, "Removal and Installation".
>> GO TO 5
5.AIR BAG DIAGNOSIS SENSOR UNIT
Replace the air bag diagnosis sensor unit. Refer to SR-17, "Removal and Installation".
>> GO TO 6
6.RELATED HARNESS
Replace the related harness.
>> END
B1065 – B1068, B1070 – B1073 passenger
airbag module
Description
DTC B1065 – B1068, B1070 – B1073 PASSENGER AIR BAG MODULE
The passenger air bag module is dual stage and wired to the air bag diagnosis
sensor unit. The air bag diagnosis
sensor u ...
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Description
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