mitsubishi Workshop Repair Guides

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Sensors and Switches - Emission Control Systems > < Pulse Generator <--> [Vehicle Speed Sensor]|Locations
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Pulse Generator: Description and Operation

Vehicle Speed Sensor Circuit

LOCATION 

The speed sensor is located in the speedometer head.

OPERATION 

The vehicle speed sensor uses a magnetic reed type switch. As the speedometer cable turns, the switch turns on and off (opening and closing the
circuit). The ECM  interprets this signal as the vehicle speed.

Sensors and Switches - Emission Control Systems > < Pulse Generator <--> [Vehicle Speed Sensor]|Locations