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Pinpoint Test K : A 4WD (4X4 A, 4X4 H Or 4X4 L) Indicator Is Never Or Always On: Notes

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

Normal Operation and Fault Conditions 

See 4WD (4X4 A, 4X4 H Or 4X4 L) Indicator. Refer to Instrument Panel Cluster (IPC) .

If the 4x4 auto indicator, 4x4 high indicator or 4x4 low indicator status message is missing for less than 5 seconds, the IPC defaults the specific indicator (4X4 A, 4X4 H or 4X4 L) to its last state (on or off) based upon the last message received.

If the 4x4 auto indicator, 4x4 high indicator or 4x4 low indicator status message is missing for 5 seconds or longer, the IPC defaults the specific indicator (4X4 A, 4X4 H or 4X4 L) off.

Possible Sources 

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