1. Check Stop Lamp Switch Power Supply Circuit

1. Disconnect stop lamp switch connector.
2. Check voltage between stop lamp switch connector E210 terminal 1 (GY) and ground.
   1. 1 (GY) - Ground : Battery voltage 

Fig 1: Checking Voltage Between Stop Lamp Switch Connector E210 Terminal 1 (GY) And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK : GO TO 2.

NG : Repair or replace harness between stop lamp switch and fuse.