FixVault

6. Check ASCD Brake Switch Input Signal Circuit For Open And Short

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.
  1. Turn ignition switch OFF.
  2. Check harness continuity between ASCD brake switch terminal 2 and ASCD clutch switch terminal 1. Refer to Wiring Diagram.
    1. Continuity should exist. 
  3. Also check harness for short to ground and short to power.

OK or NG 

OK: GO TO 7.

NG: Repair open circuit or short to ground or short to power in harness or connectors.