BPP, PSP & TCS Test Procedures
WARNING: This page is about a different car, the 2002 Ford Escape, 2001 Mazda Tribute, and 2001 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
This test ensures EEC-V system is able to detect a change of state in BPP, PSP and TCS switches. During KOER on-demand self-test, the brake pedal must be applied and then released, TCS must be cycled, and steering wheel must be turned at least 1/4 of a revolution.