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Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 428 (Security Control System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B2604: Shift Position >> DTC Description >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2019 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

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
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