DTC Detection Logic
WARNING: This page is about a different car, the 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- If DTC B2109 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to "REMOVAL AND INSTALLATION ".
- If DTC B2109 is displayed with other DTC, first perform the trouble diagnosis for the other DTC.
- When IPDM E/R power supply voltage is low (Approx. 7 - 8 V for about 1 second), the DTC B2109 may be detected.
DTC DETECTION LOGIC
| DTC No. | Trouble diagnosis name | DTC detecting condition | Possible cause |
|---|---|---|---|
| B2109 | STRG LCK RELAY OFF | IPDM E/R detects that steering lock relay is stuck in the OFF position for approximately 1 second even if IPDM E/R receives steering lock relay ON/OFF signal from BCM. |
|