1. Check Overall Function-1

With CONSULT-II 

1. Turn ignition switch ON.
2. Select "BRAKE SW1" in "DATA MONITOR" mode with CONSULT-II.
3. Check "BRAKE SW1" indication under the following conditions.

Fig 1: Function Check Conditions-I

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

Without CONSULT-II 

1. Turn ignition switch ON.
2. Check voltage between ECM terminal 108 and ground under the following conditions.

Fig 2: Function Check Conditions

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

Fig 3: Checking Voltage Between ECM Terminal 108 And Ground

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

OK or NG 

OK >> GO TO 2. CHECK OVERALL FUNCTION-II .

NG >> GO TO 3. CHECK ASCD BRAKE SWITCH POWER SUPPLY CIRCUIT .