4. 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 with CONSULT-II or tester.
   1. Voltage: Battery voltage 

OK or NG 

OK: GO TO 6 .

NG: GO TO 5.

Fig 1: Checking Power Supply Circuit

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