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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2504 (Parking Aid System) >> Diagnosis And Testing >> Parking Aid >> Pinpoint Tests >> Pinpoint Test G: The Audio Volume Does Not Reduce When The Parking Aid Tone Sounds >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. 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. A volume cutback request message is sent to the Instrument Cluster (IC) from the Parking Aid Module (PAM) over the High Speed Controller Area Network (HS-CAN), then gatewayed to the Audio Control Module (ACM) to decrease the volume of the audio system, so that the parking aid sounder can be clearly heard.

This pinpoint test is intended to diagnose the following: 

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