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Home >> Nissan-Datsun >> 2007 >> Altima Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 31 (Security Control System (Hybrid)) >> Intelligent Key System >> Component Diagnosis >> B2109 Steering Lock Relay >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different variant/trim than selected.
NOTE:
  • If DTC B2109 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to "DTC LOGIC ".
  • If DTC B2109 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to "DTC LOGIC ".
DTC DETECTION CONDITION POSSIBLE CAUSE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2109 STRG LCK RELAY OFF IPDM E/R detects that the relay is stuck at 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
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