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B1XXX

B1xxx Air Bag Diagnosis Sensor Unit

Description

DTC B1XXX AIR BAG DIAGNOSIS SENSOR UNIT
The air bag diagnosis sensor unit will run DTC check when the ignition switch is turned ON. It has the potential to set many diagnostic trouble codes which will conform to the B1XXX format, but will not match any other SRS diagnostic trouble codes. Refer to [SDT Function (Airbag)]. SDT Function (Airbag)

PART LOCATION

Refer to [SRS Component Parts Location]. Locations

DTC Logic

DTC DETECTION LOGIC

With SDT

B1XXX:






Without SDT






DTC CONFIRMATION PROCEDURE (With SDT)

Step 1-2:






DTC CONFIRMATION PROCEDURE (Without SDT)

NOTE: SRS will not enter diagnosis mode if no malfunction is detected in user mode.

Step 1-6:






Diagnosis Procedure (Component Diagnosis)

Recheck SRS after each replacement.

Step 1-4: