ASCD Brake Switch

Turn ignition switch OFF.
Disconnect ASCD brake switch harness connector.
Check harness continuity between ASCD brake switch terminals 1 and 2 under the following conditions.

Fig 1: ASCD Brake Switch Terminals Continuity Condition
Courtesy of NISSAN MOTOR CO., U.S.A.

If NG, adjust ASCD brake switch installation, refer to 4 STOPLIGHT SWITCH & AUTOMATIC SPEED CONTROL DEVICE SWITCH and perform step 3 again.

Fig 2: Checking Harness Continuity Between ASCD Brake Switch Terminals 1 And 2
Courtesy of NISSAN MOTOR CO., U.S.A.