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Home >> Infiniti >> 2017 >> Q60 Base, AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Security Control System (DTC/Circuit Diagnosis) >> DTC / Circuit Diagnosis >> DTC B2604: 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
B2604 PNP/CLUTCH SW
(Park neutral position/ clutch switch)
Diagnosis condition Ignition switch ON
Signal (terminal)
  • P/N position signal
  • CAN communication signal
Threshold The following states are detected.
  • P/N position signal is sent from transmission range switch but shift position signal input (CAN) from TCM is other than P and N
  • P/N position signal is not sent from transmission range switch but shift position signal input (CAN) from TCM is P or N
Diagnosis delay time 5 seconds or more