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DTC Detection Logic

WARNING: This page is about a different car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION AND POSSIBLE CAUSES

DTC Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P31DD PRE CHARGE RELAY (Pre-charge relay circuit range/performance) The monitor signal voltage of the pre-charge relay remains Lo for 2.5 seconds or more.
  • Harness or connectors (Pre-charge relay drive circuit is shorted)
  • Pre-charge relay