DTC DETECTION LOGIC

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 driving. |

- Harness or connectors
  (Stop lamp switch circuit is open or shorted.)
- Stop lamp switch

DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON.
2. Fully depress the brake pedal for at least 5 seconds.
3. Erase the DTC.
4. Check 1st trip DTC.

Is 1st trip DTC detected?
YES>>Go to Diagnosis Procedure (GT-R certified NISSAN dealer).
NO>>INSPECTION END