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and EVIC use a vacuum fluorescent (VF) display to
supply the vehicle operator with a compass head-
ing, outdoor temperature, average fuel economy,
distance to empty, instantaneous fuel economy, trip
odometer, elapsed ignition on time, distance to
service, warning messages, and service messages.
The difference between a CMTC and an EVIC is
that only the EVIC provides additional memory,
feature programming, and warning messages. The
EVIC is capable of displaying warning messages
and memory system messages when the vehicle is
equipped with memory systems. The EVIC also
provides the interface to enable and disable vehicle
programmable features when the vehicle is
equipped with certain features.
If equipped, the EVIC is also available with an
integrated Universal Garage Door Opener (UGDO)
known as HomeLink . Also if equipped, the EVIC is
available with a Tire Pressure Monitoring (TPM)
System. The EVIC may also be equipped with up to
4 power door switches: ON/OFF, Left Sliding Door,
Right Sliding Door, and Liftgate.
The CT function buttons are labeled C/T and
US/M. The CMTC function buttons are labeled
US/M, C/T, RESET, and STEP. The EVIC function
buttons are labeled C/T, RESET, STEP, and MENU.
The three UGDO buttons are labeled with dots to
indicate the channel number.
The BCM supplies most of the information dis-
played by the CMTC/EVIC. Display information,
except for the internal compass function, is received
over the PCI bus. The FCM supplies the ambient
temperature sensor information via the PCI bus.
The CMTC/EVIC sends and receives data over the
PCI bus, communicating with the BCM, PCM,
FCM, 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 wheels.
For complete information, refer to the Tire Pressure
Monitoring System section in this publication.
3.14.1 VEHICLE INFORMATION DISPLAY
The CMTC/EVIC provides the following func-
tions:
•
Compass direction
•
Outside temperature
•
Elapsed ignition on time
•
Distance to empty
•
Average fuel economy
•
Instantaneous fuel economy
•
Trip odometer
•
Distance to service
The EVIC will also display the following driver
alert messages:
GENERAL INFORMATION
•
TURN SIGNAL ON (with vehicle graphic)
•
PERFORM SERVICE
•
DOOR OPEN (individual or multiple doors, with
graphic)
•
LOW or HIGH TIRE(S) PRESSURE (when
equipped)
•
ADJUSTABLE PEDAL DISABLED CRUISE
ENGAGED (when equipped)
•
ADJUSTABLE PEDAL DISABLED VEHICLE
IN REVERSE (when equipped)
An audible chime or chimes will accompany any
displayed warning messages. Chime requests with
an OPEN message are dependent upon vehicle
speed.
The CT/CMTC/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 section for problems related
to the CT/CMTC/EVIC.
The CMTC/EVIC receives the following messages
from the Body Control Module (BCM):
•
Verification of US/Metric status
•
VF display dimming brightness and exterior
lamp status
•
Elapsed Ignition On Time data
•
Fuel Economy (Average and Instantaneous)
•
Distance to Empty
•
Distance to service
•
Driver warning messages
The CT/CMTC/EVIC receives the following mes-
sages from the Front Control Module (FCM):
•
Outside Temperature
The CMTC/EVIC receives the following messages
from the Powertrain Control Module (PCM):
•
Trip Odometer data
•
Vehicle Speed
The EVIC receives the following messages from
the Adjustable Pedal System Module (APS):
•
APS status warnings
The CMTC/EVIC transmits the following mes-
sages to the BCM:
•
Status Request: Beep, Reset, US/M Toggle
•
Current Display
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:
•
Average Fuel Economy
27
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