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Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Security Control System (DTC/Circuit Diagnosis) (Except Hybrid) >> DTC/Circuit Diagnosis >> DTC B2603: Shift Position >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No. CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
B2603 SHIFT POSI STATUS
(Shift position status)
BCM detects the following status when ignition switch is in the ON position.
  • P/N position signal: approx. 0 V (Other than P/N position)
  • A/T shift selector (detention switch) signal: approx. 0 V (P position)