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Home >> Mercury >> 2008 >> Milan Base, 2.3 Z, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1375 (Information Center - Instrument Cluster (Ic), Message Center, & Warning Chimes) >> Diagnostic Tests >> Instrument Cluster (IC), Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test F: The Speedometer/Odometer Is Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2009 Mercury Milan, 2009 Lincoln MKZ, and 2009 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

The instrument cluster (IC) receives the vehicle speed sensor (VSS) signal from the PCM over the communication network. The PCM receives the VSS information from the output shaft speed (OSS) sensor. The instrument cluster (IC) monitors the VSS input from the PCM and commands the speedometer with a corresponding movement of the pointer. The odometer is tamper resistant and accumulates and registers up to 1 million kilometers in metric mode or 1 million miles in English mode, based upon rolling count data sent from the PCM over the communication network.

This pinpoint test is intended to diagnose the following:

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