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Home >> Infiniti >> 1998 >> QX4 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Vehicle Speed Sensor (VSS)

Vehicle Speed Sensor (VSS)

VSS provides PCM with vehicle speed signal. VSS consists of a reed switch installed in speedometer unit. Reed switch transforms vehicle speed into pulsed signal.

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