Description And Operation: Description
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Component location: Manual transaxle case
Operation principle: Vehicle Speed Sensor (VSS) is hall sensor type and senses the rotating speed of differential gear.
Function
- Comparing engine speed with vehicle speed calculated based on vehicle speed sensor signal, ECM recognizes engaged gear.
- Based on the information about engaged gear, ECM performs optimum fuel injection quantity correction.
- VSS signal is also used in speed meter of cluster, A/C control module, BCM, etc.