WARNING: This page is about a different car, the 2003 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Knock Sensor Malfunction Troubleshooting Procedure (1 Of 2)
Courtesy of FORD MOTOR CO.
Fig 2: Knock Sensor Malfunction Troubleshooting Procedure (2 Of 2)
Courtesy of FORD MOTOR CO.
Fig 3: Knock Sensor Malfunction Inspection Procedure (1 Of 3)
Courtesy of FORD MOTOR CO.
Fig 4: Knock Sensor Malfunction Inspection Procedure (2 Of 3)
Courtesy of FORD MOTOR CO.
Fig 5: Knock Sensor Malfunction Inspection Procedure (3 Of 3)