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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1150 (Information Center - Instrumentation, Message Center And Warning Chimes) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test Ab : The Engine Over-Temperature Message Center Warning Indicator Is Never Or Always On >> Notes

Pinpoint Test Ab : The Engine Over-Temperature Message Center Warning Indicator Is Never Or Always On: Notes

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Normal Operation and Fault Conditions 

See Engine Over-Temperature Message Center Warning Indicator. Refer to: Message Center - System Operation and Component Description .

If the engine coolant temperature data or engine overheat indication request messages are missing or invalid for less than 5 seconds, the IPC defaults the engine over-temperature message center warning indicator to the last indication state (on or off), based upon on the last message received.

If the engine coolant temperature data or request engine overheat indication request messages are missing or invalid for 5 seconds or longer, the IPC defaults the engine over-temperature message center warning indicator on.

Possible Sources 

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