LEMON Manuals: Even more car manuals for everyone: 1960-2025
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 B2615: Blower Relay Circuit >> DTC Logic >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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
B2615 Blower relay circuit BCM detects a difference of signal for 1 second or more between the following items.
  • Blower relay ON/OFF request
  • Blower relay feedback
  • Harness or connectors (Blower relay circuit is open or shorted)
  • Blower relay