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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 1764 (Parking Aid System) >> Diagnosis And Testing >> Parking Aid >> Pinpoint Tests >> Pinpoint Test I: The Audio Volume Cutback Command Is Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

A variable rate warning tone is generated by the parking aid sounder. While the sounder is active, the sounder increases its warning tone rate as the vehicle gets closer to an obstacle. When an object is detected within 46 cm (18 in) of the vehicle, the warning tone becomes continuous. A volume cutback request message is sent to the Audio Control Module (ACM) from the Parking Aid Module (PAM) over the Medium Speed Controller Area Network (MS-CAN) to decrease the volume of the ACM.

This pinpoint test is intended to diagnose the following: 

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