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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 593 (Information Center - Instrumentation, Message Center, And Warning Chimes) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test Aa : The Safety Belt Warning Indicator Is Never Or Always On >> Notes

Pinpoint Test Aa : The Safety Belt Warning 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 Safety Belt Warning Indicator. Refer to Instrument Panel Cluster (IPC) .

If the safety belt indicator request message is missing or invalid for less than 5 seconds, the IPC defaults the safety belt warning indicator to its last state (on or off) based upon the last message received.

If the IPC does not receive the safety belt indicator request message from the RCM or the message is deemed invalid by the IPC for 5 seconds or longer, the IPC sets DTC U0151:00 and defaults the safety belt warning indicator on.

Possible Sources 

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