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Home >> Infiniti >> 1999 >> QX4 >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Component Tests >> Vehicle Speed Sensor (VSS)

Vehicle Speed Sensor (VSS)

  1. Remove VSS from transmission. Using a DVOM set to measure AC voltage, measure voltage between VSS terminals while quickly turning VSS pinion. DVOM should indicate about .5 volt AC. If voltage is as specified, go to next step. If voltage is not as specified, replace VSS.
  2. Measure resistance between VSS terminals. If resistance is approximately 250 ohms, VSS is okay at this time. If resistance is not approximately 250 ohms, replace VSS.
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