3. Check ASCD Brake Switch Power Supply Circuit

WARNING: This page is about a different car, the 2004 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition switch OFF.
Disconnect ASCD brake switch harness connector. See Figure.
Turn ignition switch ON.
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.