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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 >> Principles of Operation >> Warning Chimes >> Performance Shift Warning Chime

Performance Shift Warning Chime

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 performance shift warning chime provides an audible alert to inform the driver to shift the transmission gear. The chime is configured through the message center independently of the visual performance shift indicator. The chime feature on/off status and the desired RPM for the chime to sound are configurable items. The instrument cluster (IC) uses engine data RPM sent to the instrument cluster (IC) over the high speed controller area network (HS-CAN) communication lines and compares the value against the customer preset engine RPM to determine when to sound the chime. When the actual engine RPM matches the preset engine RPM, the instrument cluster (IC) sounds the chime.

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