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B1209

B1209 FRONTAL COLLISION DETECTION

Description

DTC B1209 FRONTAL COLLISION DETECTION
If the components that are not activated in frontal collision are reused, they should be checked for damage by CONSULT-III or air bag warning lamp. Repair or replace malfunctioning components.

OPERATION
The air bag and seat belt pre-tensioners for driver and front seat passenger are operated by the decision of the diagnosis sensor unit out signal transmitted because of the frontal collision.

STRUCTURE
It consists of crash zone sensor, diagnosis sensor unit (ACU), air bags and seat belt pre-tensioners for drivers and front passenger.

INSTALLATION




DTC Logic

Step 1-3:




DTC CONFIRMATION PROCEDURE (With CONSULT-III)

Diagnosis Procedure (Component diagnosis)

With CONSULT-III

CAUTION:
- Before servicing, turn ignition switch OFF, disconnect both battery terminals and wait at least 3 minutes. (To discharge backup capacitor.)
- Do not use unspecified tester or other measuring device.


Step 1-7:




DIAGNOSTIC PROCEDURE