DTC Detection Logic
WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.
| DTC (On board display) |
Trouble diagnosis name |
DTC detecting condition |
Possible causes |
| C1A40 (40) |
SYSTEM SW CIRC |
IBA OFF switch remains "ON" (short circuit) for 10 minutes or more |
- IBA OFF switch circuit
- IBA OFF switch
- ADAS control unit
|