LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2012 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 60 (Power Control System (Power Distribution System) (Coupe)) >> DTC/Circuit Diagnosis >> DTC B2553: Ignition Relay >> 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 variant/trim than selected.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2553 IGNITION RELAY BCM detects a difference of signal for 2 seconds or more between the following information.
  • Ignition relay (fuse block) ON/OFF operation
  • Ignition relay (fuse block) feedback.
  • Harness or connectors (ignition relay feedback circuit is open or short)
  • IPDM E/R