Pinpoint Test B: DTC B1555: Ignition Run/Start Circuit Failure

WARNING: This page is about a different car, the 2003 Mercury Sable and 2003 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: The DTC will appear if the connection between the GEM and CJB is open on this pin. This pin open will cause the following symptoms: no auto headlamps, no DRL and no heated backlite operation.

Fig 1: Pinpoint Test B: DTC B1555 Ignition Run/Start Circuit Failure (Steps B1)

Courtesy of FORD MOTOR CO.

Fig 2: Pinpoint Test B: DTC B1555 Ignition Run/Start Circuit Failure (Steps B2-B3)

Courtesy of FORD MOTOR CO.