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Home >> Lincoln >> 2009 >> MKX FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 2148 (Information Center - Instrumentation, Message Center And Warning Chimes) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test AI: The CHECK PARK ASSIST/PARK ASSIST OFF Warning Is Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2010 Lincoln MKX and 2010 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

The parking aid on/off status is sent from the Parking Aid Module (PAM) to the Instrument Cluster (IC) over the Medium Speed Controller Area Network (MS-CAN) communication bus lines. When the RESET button is pressed, the IC  sends a query to the PAM  , requesting a system status. The PAM  responds to the IC  with the status of the system, either on or off. If the return status message is missing or corrupt, the IC  does not display the brackets around either the ON or OFF selection.

This pinpoint test is intended to diagnose the following: 

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