Pinpoint Test B: DTC B1318 and/or B1676: Notes
Refer to SYSTEM WIRING DIAGRAMS - EXPEDITION , SYSTEM WIRING DIAGRAMS - EXPEDITION EL , SYSTEM WIRING DIAGRAMS - NAVIGATOR or SYSTEM WIRING DIAGRAMS - NAVIGATOR L article, Charging System for schematic and connector information.
NOTE:
DTCs B1318 or B1676 can be set if the vehicle has been recently jump started, the battery has been recently charged or the battery has been discharged. The battery may become discharged due to excessive load(s) on the charging system from aftermarket accessories or if vehicle accessories have been operating for an extended period of time without the engine running.