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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 784 (Automatic Transaxle [Service, Removal & Installation]) >> Vehicle Speed Sensor (VSS) Inspection >> Notes

Vehicle Speed Sensor (VSS) Inspection: Notes

WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect the WDS or equivalent, drive the vehicle, and verify the input value of the OSS PID.
    • If the input value is 0 rpm, perform the "Power Supply Voltage Inspection", "Open Circuit Inspection", or "Short Circuit Inspection".
    • If the input value is other than 0 rpm, perform the "Visual Inspection" or "Wave Profile Inspection".
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