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Home >> Lexus >> 2000 >> SC 400 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0500: Vehicle Speed Sensor (VSS) Malfunction >> Circuit Description

Circuit Description

VSS outputs a 4-pulse signal for every revolution of the rotor, which is driven by transmission output shaft. Signal is used by ECM to determine vehicle speed. DTC is set if there is no VSS signal to ECM while vehicle is being driven or if park/neutral position switch is off. Possible causes are:

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