LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2012 >> M35h >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Security Control System >> DTC/Circuit Diagnosis >> DTC B26EF: Steering Lock Relay >> DTC Logic >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

NOTE:
  • If DTC B26EF is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to "DTC LOGIC ".
  • If DTC B26EF is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to "DTC LOGIC ".
  • If DTC B26EF is displayed with DTC B2612, first perform the trouble diagnosis for DTC B2612. Refer to "DTC Logic ".
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B26EF STRG LCK RELAY OFF BCM detects one of the following status
  • BCM does not receives steering lock relay ON signal (CAN) from IPDM E/R within 2 seconds after BCM requests IPDM E/R to turn steering lock relay ON
  • BCM detects, by lock/unlock status signals, that power source is not supplied to steering lock unit for 2 seconds after BCM requests IPDM E/R to turn steering lock relay ON
  • Harness or connectors (The CAN communication line is open or shorted.)
  • Harness or connector (Steering lock unit circuit is open or shorted.)
  • Steering lock unit
  • IPDM E/R
scientia non olet · About LEMON Manuals