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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 177 (Anti-Lock Brake System) >> System Tests >> Test D: Brake Warning Buzzer Circuit >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 Toyota Prius, 2002 Toyota Prius, and 2001 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

The brake warning buzzer sounds while the accumulator pressure is abnormally low.