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DTC Detection Logic

WARNING: This page is about a different car, the 2011 Nissan 370Z. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2616 IGN RELAY CIRC An immediate operation of ignition relay (fuse block) is requested by BCM, but there is no response for more than 1 second
  • Harness or connectors (Ignition relay circuit is open or shorted)
  • Ignition relay (fuse block)