PINPOINT TEST M: DTCs: C1113, C1115, C1185-INTERNAL POWER RELAY FAILURE
WARNING: This page is about a different car, the 2002 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Pinpoint Test M: DTCs: C1113, C1115, C1185 - Internal Power Relay Failure Chart (M1)
Courtesy of FORD MOTOR CO.
Fig 2: Pinpoint Test M: DTCs: C1113, C1115, C1185 - Internal Power Relay Failure Chart (M1 Cont. & M2)