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Home >> Ford >> 2017 >> Expedition XL, RWD >> Repair and Diagnosis (Single Page) >> Electrical >> Gauges >> Information Center - Instrumentation, Message Center, And Warning Chimes >> Description And Operation >> Instrument Panel Cluster (IPC) >> System Operation >> Network Message Chart - Gauges

Network Message Chart - Gauges

Module Network Input Messages - IPC 

Broadcast Message Originating Module Message Purpose
4x4 range fault TCCM Input used to control the power distribution gauge.
4x4 range selection TCCM Input used to control the power distribution gauge.
Engine coolant temperature PCM Engine temperature data used for temperature gauge indication.
Engine speed PCM Engine speed data used for tachometer indication and the low oil pressure message center warning indicator.
Gear lever postion PCM Input used to control the power distribution gauge.
Ignition status BCM Ignition RUN, START and accessory states required for the IPC operating modes and fault reporting.
Vehicle speed PCM Vehicle speed data used for speedometer indication and to control the power distribution gauge.
Wheel torque PCM Input used to calculate the torque delivered to each wheel for the power distribution gauge.

Module Network Input Messages - PCM 

Broadcast Message Originating Module Message Purpose
Wheel speed ABS module Input used to generate the vehicle speed sent to the IPC.