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Infiniti
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2013
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EX37 Base, AWD
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Repair and Diagnosis
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Restraints
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Restraints Control Systems
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SRS Airbag Control System
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DTC/Circuit Diagnosis
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DTC B1421: Frontal Collision Detection
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DTC Logic
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DTC Detection Logic
DTC Detection Logic
DTC
CONSULT screen items (Trouble diagnosis content)
DTC detecting condition
Possible cause
B1421
FRONTAL COLLISION DETECTION (Firing Record, Frontal)
Driver air bag, passenger air bag and seat belt pre-tensioner are deployed
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