Pinpoint Test D: DTCS C1233, C1234 & C1237 Wheel Speed Sensor Output Failure

WARNING: This page is about a different car, the 2002 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Any time a wheel speed sensor is removed, thoroughly clean the mounting surfaces. On front wheel speed sensors, apply High Temperature 4x4 Front Axle and Wheel Bearing Grease E8TZ-19590A or equivalent meeting Ford specification ESA-M1C198-A.

Fig 1: Pinpoint Test D: DTCS C1233, C1234 & C1237 Wheel Speed Sensor Output Failure (D1-D2)

Courtesy of FORD MOTOR CO.

Fig 2: Pinpoint Test D: DTCS C1233, C1234 & C1237 Wheel Speed Sensor Output Failure (D3-D4)

Courtesy of FORD MOTOR CO.

Fig 3: Pinpoint Test D: DTCS C1233, C1234 & C1237 Wheel Speed Sensor Output Failure (D5-D7)

Courtesy of FORD MOTOR CO.

Fig 4: Pinpoint Test D: DTCS C1233, C1234 & C1237 Wheel Speed Sensor Output Failure (D8)

Courtesy of FORD MOTOR CO.

Fig 5: Pinpoint Test D: DTCS C1233, C1234 & C1237 Wheel Speed Sensor Output Failure (D9)

Courtesy of FORD MOTOR CO.

Fig 6: Pinpoint Test D: DTCS C1233, C1234 & C1237 Wheel Speed Sensor Output Failure (D10)

Courtesy of FORD MOTOR CO.