LEMON Manuals: Even more car manuals for everyone
Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (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 Tachometer Is Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2009 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.

The instrument cluster (IC) receives the tachometer data from the PCM over the communication network and commands the tachometer pointer between 0 and 7,000 RPM (4.0L and 5.4L engines), or between 0 and 8,000 RPM (4.6L engine) according to the data.

This pinpoint test is intended to diagnose the following:

scientia non olet · About LEMON Manuals