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Vehicle Speed Sensor: Testing and Inspection

VEHICLE SPEED SENSOR





The vehicle speed sensor is a hall effect sensor that is attached on the output shaft of transaxle. The sensor converts the transaxle gear revolutions into a pulse signal which is sent to the ECM.

Circuit Diagram:






TROUBLESHOOTING HINT
If there is an open or short circuit in the vehicle speed sensor signal circuit, the engine may stall when the vehicle decelerates to a stop.

Harness Inspection Procedures: