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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 124 (Engine Control System Self Diagnostics - 4-Cylinder) >> Diagnostic Tests >> DTC P0500: Vehicle Speed Sensor "A" >> Circuit Description

Circuit Description

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

Vehicle speed sensor outputs a 4-pulse input signal for every revolution of the drive gear in transmission to the instrument cluster where input signal is converted to a rectangular waveform and then sent to ECM. ECM determines vehicle speed by using input signal.

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