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: Test Conditions
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Checking Harness Continuity
Courtesy of NISSAN MOTOR CO., U.S.A.

If NG, adjust ASCD brake switch installation, refer to ADJUSTMENTS in DISC - TITAN article in BRAKES. , and perform step 3 again.