3. Check ASCD Brake Switch Power Supply Circuit

1. Turn ignition switch OFF.
2. Disconnect ASCD brake switch harness connector. See Figure.
3. Turn ignition switch ON.
4. Check voltage between ASCD brake switch terminal 1 and ground under the following conditions with CONSULT-II or tester.
   Fig 1: Checking Power Supply Circuit

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 2: Test Parameters

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

OK or NG 

OK: GO TO 5 .

NG: GO TO 4.