LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2012 >> G37 Base, 2D Convertible >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Power Control System (Convertible) >> Power Distribution System >> DTC/Circuit Diagnosis >> B260A Ignition Relay >> DTC Logic >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

NOTE:
  • If DTC B260A is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to DTC LOGIC .
  • If DTC B260A is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to DTC LOGIC .
  • If DTC B260A is displayed with DTC B261A, first perform the trouble diagnosis for DTC B261A. Refer to DTC LOGIC .
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B260A IGNITION RELAY BCM detects a difference of signal for 2 second or more between the following items.
  • Ignition relay (IPDM E/R) operation request
  • Ignition relay feedback from IPDM E/R (CAN).
  • Harness or connectors (Ignition relay operation circuit is open or shorted.)
  • BCM
  • IPDM E/R