Electronic Instrument Cluster (EIC)

NOTE: This body system is available as an option only.

PURPOSE
The electronic cluster includes a digital speedometer, odometer, oil pressure gauge, coolant temperature gauge, fuel gauge, and voltage gauge. It also has a series of warning indicator lamps designed to provide the driver with valuable information to ensure the vehicle is in perfect operating condition.

OPERATION
The electronic cluster receives virtually all of the information for its displays from the Body Control Module (BCM) and the Powertrain Control Module (PCM) via the Chrysler Collision Detection (CCD) multiplex system.

The electronic cluster has two forms of diagnostic routines that are used to isolate problems within the cluster: self-diagnostics and CCD bus detection information. Self diagnostics are accessed by simultaneously depressing the "TRIP" and "TRIP RESET" buttons. CCD bus diagnostic routines require the use of the Diagnostic Readout Box (DRB).

Successful completion of the self-diagnostic test indicates that the problem is in the CCD bus, interfacing modules, connectors, wiring harness, or sensors outside the cluster.

The BCM (not the electronic instrument cluster) stores the odometer information that is displayed on the instrument cluster. Therefore, when replacement of the electronic cluster is required, the odometer reading will not be affected.