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Home >> Nissan-Datsun >> 2009 >> Cube Base >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Security Control System (With Intelligent Key System) >> DTC/Circuit Diagnosis >> DTC B2109: Steering Lock Relay >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

NOTE:
  • If DTC B2109 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to "DTC LOGIC ".
  • When IPDM E/R power supply voltage is low (Approx. 7 - 8 V for about 1 second), the DTC B2109 may be detected.
DTC DETECTING CONDITION AND POSSIBLE CAUSE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2109 STRG LCK RELAY OFF When comparing steering lock state switches 1 and 2, a malfunction is detected for 1 second.
  • Harness or connector (Power supply circuit)
  • IPDM E/R
  • Battery