DTC Detection Logic
WARNING: This page is about a different car, the 2013 Infiniti FX50. However, it is still accessible from the selected car via links, so may be relevant.
| DTC No. |
Trouble diagnosis name |
DTC detecting condition |
Possible cause |
| P1805 |
Brake switch |
A brake switch signal is not sent to ECM for extremely long time while the vehicle is being driven. |
- Harness or connectors (Stop lamp switch circuit is open or shorted.)
- Stop lamp switch
|