1. Check Stop Lamp Switch Circuit

1. Turn ignition switch OFF.
2. Check the stop lamp when depressing and releasing the brake pedal.
   Fig 1: Inspecting Condition Chart

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

OK or NG 

1. OK: GO TO 4. CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT .
2. NG: GO TO 2.