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 "Component Parts Location".
DTC DETECTION LOGIC
With CONSULT
Without CONSULT
DTC CONFIRMATION PROCEDURE (With CONSULT)
1.CHECK SELF-DIAG RESULT
Is the DTC detected?
YES (Current DTC)>>Refer to SRC "Diagnosis Procedure".
YES (Past DTC)>>GO TO 2.
NO >> Inspection End.
2.ERASE SELF-DIAG RESULT
Erase the DTC using CONSULT.
Can the DTC be erased?
YES >> Inspection End.
NO >> Refer to SRC "Diagnosis Procedure".
DTC CONFIRMATION PROCEDURE (Without CONSULT)
1.CHECK SELF-DIAG RESULT
NOTE: SRS will not enter diagnosis mode if no malfunction is detected in user mode.
Is the DTC detected?
YES >> Refer to SRC "Diagnosis Procedure".
NO >> Inspection End.
1.HARNESS CONNECTOR
NOTE: All harness connectors should be inspected from the air bag diagnosis unit to the end component (including any in-line connectors).
Is the inspection result normal?
YES >> GO TO 2
NO >> Perform one of the following repairs:
2.CONFIRM DTC
Is DTC still current?
YES >> GO TO 3
NO >> Refer to GI "Intermittent Incident".
3.WIRING HARNESS
Check the wiring harness for visible damage NOTE.
NOTE: The entire wiring harness should be inspected from the air bag diagnosis sensor unit to the end component (including any in-line connectors).
Is the inspection result normal?
YES >> GO TO 4
NO >> Replace the harness.
4.CHECK SPIRAL CABLE CIRCUIT
4. Check continuity between driver air bag
module harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace the spiral cable. Refer to SR "Removal and Installation".
5.CONFIRM DTC
Is DTC still current?
YES >> GO TO 6.
NO >> Refer to GI "Intermittent Incident".
6.AIR BAG DIAGNOSIS SENSOR UNIT
Is DTC still current?
YES >> GO TO 7.
NO >> Clear DTC. Inspection End.
7.FRONT DRIVER AIR BAG MODULE
Is DTC still current?
YES >> GO TO 8.
NO >> Clear DTC. Inspection End.
8.RELATED HARNESS
Replace the related harness.
>> END
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 unit ...
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SYSTEM DIAGRAM
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