Pinpoint Test C: DTC B1255 Or DTC B1257 - A/C Ambient Temperature Sensor Open Circuit Or Short To Ground

Fig 1: Pinpoint Test C: DTC B1255 Or DTC B1257 - A/C Ambient Temperature Sensor Open Circuit Or Short To Ground (Steps C1-C2)

Courtesy of FORD MOTOR CO.

Fig 2: Pinpoint Test C: DTC B1255 Or DTC B1257 - A/C Ambient Temperature Sensor Open Circuit Or Short To Ground (Steps C3-C5)

Courtesy of FORD MOTOR CO.

Fig 3: Pinpoint Test C: DTC B1255 Or DTC B1257 - A/C Ambient Temperature Sensor Open Circuit Or Short To Ground (Steps C5 Cont.-C6)

Courtesy of FORD MOTOR CO.