Pinpoint Test H: DTC B1874-Cellular Phone Handset Not Communicating

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

CAUTION: Be careful when probing the battery junction box (BJB), central junction box (CJB), or any connectors. Damage will result to the connector receptacle if the probe or terminal being used is too large.

CAUTION: Electronic modules are sensitive to static electrical discharges. If exposed to these charges, damage may result.

NOTE: The cellular phone module (CPM) is also referred to as the portable support electronics (PSE) module.

Fig 1: Pinpoint Test H: DTC B1874-Cellular Phone Handset Not Communicating (Step H1)

Courtesy of FORD MOTOR CO.

Fig 2: Pinpoint Test H: DTC B1874-Cellular Phone Handset Not Communicating (Steps H1 Cont. & H2)

Courtesy of FORD MOTOR CO.

Fig 3: Pinpoint Test H: DTC B1874-Cellular Phone Handset Not Communicating (Steps H2 Cont. & H3)

Courtesy of FORD MOTOR CO.