LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2012 >> G25 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Power Control System) >> [Power Distribution System] >> DTC/Circuit Diagnosis >> DTC B26F1: 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 car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B26F1 IGN RELAY OFF BCM transmits the ignition relay control signal (ON: 0 V) or power switch ON signal (ON) (CAN), but does not receives power switch ON signal (ON) (CAN) from IPDM E/R.
  • Harness or connectors (ignition relay circuit is open)
  • BCM
  • IPDM E/R