FixVault

Stop Lamp Switch & ASCD Brake Switch

WARNING: This page is about a different car, the 2011 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

Stop lamp switch and ASCD brake switch are installed to brake pedal bracket.

ECM detects the state of the brake pedal by those two types of input (ON/OFF signal).

BRAKE SWITCH REFERENCE CHART

Brake pedal ASCD brake switch Stop lamp switch
Released ON OFF
Depressed OFF ON