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Home >> Lexus >> 1998 >> LX 470 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostic Tests >> DTC P0500: Vehicle Speed Sensor Fault >> Circuit Description

Circuit Description

VSS outputs a 4-pulse signal for every revolution of the rotor shaft, 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 and park/neutral switch is off. Possible causes are:

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