B1211

B1211 ROLLOVER DETECTION





Description

DTC B1211 ROLLOVER DETECTION
When detect component damage resulting from a rollover, brinks or illuminates the air bag warning lamp to inform the driver. Malfunctioning can be detected by CONSULT-III.

OPERATION
The front seat belt pre-tensioner and side curtain air bag are operated by the decision of the air bag diagnosis sensor unit signal of the rollover.

STRUCTURE
It consists of front seat belt pre-tensioner, side curtain air bag and air bag diagnosis sensor unit.

INSTALLATION
Refer to Exploded View (Seat belt pre-tensioner), Exploded View (Side curtain air bag) and Exploded View (Air bag diagnosis sensor unit).




DTC Logic

DTC DETECTION LOGIC

With CONSULT-III
DTC No. Index ("SELF-DIAG [CURRENT]"), ("SELF-DIAG [PAST]" or "TROUBLE DIAG RECORD")

DTC Detection Logic:

DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform "AIR BAG" Self Diagnostic Result.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to Reading and Clearing Diagnostic Trouble Codes.

NOTE:
SRS does not enter diagnosis mode if no malfunction is detected in user mode.
Is malfunctioning part detected?
YES - Refer to B1210.
NO - INSPECTION END




Diagnosis Procedure

WARNING:
- Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3 minutes. (To discharge backup capacitor)
- Never use unspecified tester or other measuring device.

DIAGNOSTIC PROCEDURE
1.CHECK FRONT SEAT BELT PRE-TENSIONER
Check front seat belt pre-tensioner.
Is the front seat belt pre-tensioner deployed?
YES - Replace front seat belt pre-tensioner. Refer to Exploded View.
NO - GO TO 2.
2.CHECK SIDE CURTAIN AIR BAG MODULE
Check side curtain air bag module.
Is the side curtain air bag module deployed?
YES - Replace side curtain air bag module. Refer to Exploded View.
NO - GO TO 3.
3.CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Check air bag diagnosis sensor unit.
Is the front seat belt pre-tensioner and/or side curtain air bag module deployed?
YES - Replace air bag diagnosis sensor unit. Refer to Exploded View.
NO - GO TO 4.
4.FINAL CHECK
Perform "AIR BAG" Self Diagnostic Result with CONSULT-III and/or Air bag warning lamp status.
Is the inspection result normal?
YES - INSPECTION END
NO - Check the intermittent incident. Refer to Intermittent Incident.