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Home >> Nissan-Datsun >> 2009 >> Maxima S >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Security Control System >> Component Diagnosis >> B2109 Steering Lock Relay >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

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 LOGIC CHART

    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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