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Home >> Nissan-Datsun >> 2009 >> 370Z Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 31 (Security Control System) >> DTC/Circuit Diagnosis >> DTC B2109: Steering Lock Relay >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2010 Nissan 370Z. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
DTC DETECTION CONDITION AND POSSIBLE CAUSES

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2109 STRG LCK RELAY OFF IPDM E/R detects that the relay is stuck in the OFF position for about 1 second even if the IPDM E/R receives steering lock relay ON/OFF signal from BCM.
  • Harness or connector (Power supply circuit)
  • IPDM E/R
  • Battery