Diagnostic Aids
WARNING: This page is about a different variant/trim than selected.
Perform this test when instructed during QUICK TEST or if directed by other test procedures. This test is used to diagnose the following:
- Output Shaft Speed (OSS) Sensor
- Wiring Harness Circuits (OSS & SIG RTN)
- Powertrain Control Module (PCM)
Fig 1: Identifying Output Shaft Speed Sensor Circuits & Harness Connector Terminals (Cougar & Focus 2.0L M/T)
Courtesy of FORD MOTOR CO.Fig 2: Identifying Output Shaft Speed Sensor Circuits & Harness Connector Terminals (Econoline, Expedition, Mustang & Pickup With 4R70W A/T)
Courtesy of FORD MOTOR CO.Fig 3: Identifying Output Shaft Speed Sensor Circuits & Harness Connector Terminals (Escape & Windstar)
Courtesy of FORD MOTOR CO.Fig 4: Identifying Output Shaft Speed Sensor Circuits & Harness Connector Terminals (Explorer, Explorer Sport, Explorer Sport Trac, LS, Mountaineer, Ranger & Thunderbird)
Courtesy of FORD MOTOR CO.
