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Home >> Infiniti >> 2011 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 80 (Power Control System -- G37 Convertible) >> Power Distribution System >> DTC/Circuit Diagnosis >> DTC B261A: Push-Button Ignition Switch >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2010 Infiniti G37. 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-BUTTON IGNITION SWITCH BCM detects a difference of signal for 1 second or more between the following items.
  • 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.)
  • BCM
  • IPDM E/R