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Home >> Infiniti >> 2009 >> M45 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 118 (Body, Lock & Security System) >> Intelligent Key System/Engine Start Function >> DTC B2553: IGN Power Circuit >> Self-Diagnostic Logic

Self-Diagnostic Logic

WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.
SELF-DIAGNOSTIC LOGIC

DTC Self-diagnosis name DTC detecting condition Possible causes
B2553 IGN POWER CIRCUIT Though the changing control to ON position by push-button ignition switch operation is performed normally, ON position power supply to the Intelligent Key unit is not supplied
  • 10A fuse
  • Harness and connector (Open or shorted in the circuit)