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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 114 (Engine Control System Self-Diagnostics - 4-CYL (Except PZEV)) >> Diagnostic Tests >> DTC P0724: Brake Switch "B" Circuit High >> Circuit Description

Circuit Description

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

This signal is used to detect that the brakes have been applied. The STP signal voltage is the same as the one supplied to the stop lights. The STP signal is used mainly to control the fuel cut-off engine speed. The fuel cut-off engine speed is reduced slightly when the vehicle is braking.

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