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Home >> Infiniti >> 2012 >> EX35 Base, AWD >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> SRS Airbag Control System >> DTC/Circuit Diagnosis >> DTC B1209: Frontal Collision Detection >> Diagnosis Procedure
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Diagnosis Procedure

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

    Perform collision diagnosis. Refer to "FOR FRONTAL COLLISION: WHEN SRS IS ACTIVATED IN A COLLISION "

    or "FOR FRONTAL COLLISION: WHEN SRS IS NOT ACTIVATED IN A COLLISION ".

    Is collision diagnosis complete? 

    YES: GO TO 2.

    NO: INSPECTION END

  2. FINAL INSPECTION

    Perform "AIR BAG" Self Diagnostic Result.

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Perform diagnosis of applicable DTC. Refer to "DTC INDEX ".