FixVault

DTC Detection Logic

WARNING: This page is about a different car, the 2011 Infiniti FX50 and 2011 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B261A PUSH-BTN IGNI SW BCM detects a difference of signal for 1 second or more between the following information.
  • Power supply position by push-button ignition switch
  • Power supply position from IPDM E/R (CAN)
  • Harness or connectors (Push-button ignition switch circuit is open or shorted.)