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Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 20 (Power Control System (Power Distribution System) (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B2615: Blower Relay Circuit >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2016 Infiniti QX50. However, it is still accessible from the selected car via links, so may be relevant.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2615 BLOWER RELAY CIRC BCM detects a difference of signal for 1 second or more between the following information.
  • Blower relay ON/OFF request
  • Blower relay inside feedback
  • Harness or connectors

    (Blower relay circuit is open or shorted)

  • Blower relay