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Home >> Infiniti >> 2011 >> FX35 RWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Door & Lock - With Automatic Back Door -- FX35/FX50 >> DTC/Circuit Diagnosis >> DTC B2409: Half Latch Switch >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

DTC DETECTION CONDITION AND POSSIBLE CAUSES

DTC CONSULT-III display description DTC detecting condition Possible cause
B2409 HALF LATCH SW Automatic back door control unit detects a malfunction of half latch switch during automatic operation of back door
  • Entry of foreign materials to back door lock assembly
  • Back door mechanism
  • Automatic back door control unit
  • Half latch switch
  • Harness or connectors
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