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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 111 (Information Center - Instrument Cluster (Ic), Message Center, & Warning Chimes) >> Diagnostic Tests >> Instrument Cluster (Ic), Message Center And Warning Chimes >> Principles of Operation >> Instrument Cluster >> Engine Idle Hour Meter (Police)

Engine Idle Hour Meter (Police)

WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

The instrument cluster (IC) receives the digital transmission range (TR) sensor status message from the PCM over the HS-CAN, and if the engine speed is greater than 400 RPM, it records the amount of time the engine runs with the transmission in PARK (P) or NEUTRAL (N).