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Vehicle Speed Sensor: Testing and Inspection




VEHICLE SPEED SENSOR
The vehicle speed sensor is a reed switch that is built into the speedometer. The sensor converts the transaxle gear revolutions into a pulse signal which is sent to the ECM.

Circuit Diagram:






TROUBLESHOOTING HINTS
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:




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