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Home >> Toyota >> 2002 >> Corolla S, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 (Automatic Transmission Diagnosis - U340E & U341E) >> Diagnostic Tests >> DTC P0500: Vehicle Speed Sensor Fault >> Circuit Description

Circuit Description

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

VSS outputs a 4-pulse signal for every revolution of transaxle output shaft. After signal is converted into a more precise rectangular wave form by combination meter, signal is transmitted to ECM. Signal is used by ECM to determine vehicle speed.

DTC P0500 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:

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