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 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

 
 DTC CONFIRMATION PROCEDURE

 
 1.PERFORM DTC CONFIRMATION PROCEDURE