Pinpoint Test DP: Output Shaft Speed (OSS) Sensor/Vehicle Speed Sensor (VSS): Introduction: Notes

This pinpoint test is intended to diagnose the following:

• OSS (7F293)
• harness circuits: OSS, PWRGND, SIGRTN and VBPWR
• PCM (12A650)
  Fig 1: Identifying Output Shaft Speed (OSS) Sensor Connector

  Courtesy of FORD MOTOR CO.

  Pin	Circuit
  3	SIGRTN (Signal Return)
  2	OSS (Output Shaft Speed)
  1	VBPWR (Vehicle Buffered Power)