Grand Cherokee 4WD V8-4.7L (2003)
data over the PCI bus, communicating with the BCM, PCM, and the Instrument Cluster. Tire Pressure Monitoring System information is received by
the EVIC in the form of radio transmissions. The tire pressure sensors are mounted to the vehicle wheel. For complete information, refer to the Tire
Pressure Monitoring System.
VEHICLE INFORMATION DISPLAY
The EVIC provides the following functions:
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Compass direction
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Outside temperature
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Elapsed ignition on time
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Distance to empty
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Average fuel economy
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Trip odometer
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Distance to service
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Driver alert messages:
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TURN SIGNAL ON (with vehicle graphic)
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PERFORM SERVICE
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DOOR OPEN (individual or multiple doors, with graphic)
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LIFTGATE OPEN (with graphic)
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LIFTGLASS OPEN (with graphic)
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COOLANT LEVEL LOW (with graphic)
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WASHER FLUID LOW (with graphic)
An audible chime or chimes will accompany any displayed warning messages. Chime requests with an OPEN message are dependent upon vehicle
speed.
The EVIC will not display information for any of the screens for which it did not receive the proper PCI bus data. Refer to the symptom list in the
Overhead Console for problems related to the EVIC.
The EVIC receives the following messages from the Body Control Module (BCM):
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Verification of US/Metric status
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VF display dimming brightness and exterior lamp status
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Trip Odometer data
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Elapsed Ignition On Time data
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Fuel Economy
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Distance to Empty
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Outside Temperature
-
Distance to service
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Driver warning messages
The EVIC transmits the following messages to the BCM:
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Status Request: Beep, Reset, US/M Toggle
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Current Display
The EVIC receives the following message from the PCM:
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Vehicle Speed
STEP BUTTON
The STEP Button can be used in one of the following three ways:
1. To sequentially select one of seven displays or blank display in the following order:
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Average Fuel Economy
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Distance to Empty
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Trip Odometer
-
Time Elapsed
-
Distance to Service Message
-
Individual Tire Pressure
-
Off (Blank)
2. To set the magnetic variance zone when VARIANCE = X (X = 1 - 15) is indicated in the VF Display.
3. To select the displayed programmable feature setting.
MENU BUTTON
Use the MENU button to sequentially step the EVIC through the programmable features.
Use the MENU button to enter the Tire Pressure Monitoring (TPM) Training Procedure.
RESET BUTTON
