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1. Attempt the Retrain procedure.
2. If the display reoccurs, replace the CMTC.
3.12.3.6.1.6 SYSTEM TEST
A test of the Tire Pressure Monitoring System
can be initiated in the EVIC. The test sequence is
as follows:
1. Perform the RETRAIN TIRE SENSORS proce-
dure.
2. Press and hold the RESET and STEP buttons
for five seconds.
3. The EVIC will display BUCKET COUNTERS.
4. Drive the vehicle at 20 mph (32 km/h) for at
least 2 minutes.
5. The counters will increase by one each time a
Sensor/Transmitter signal is received by the
CMTC.
6. Observe that the COUNTERS register at least 3
receptions for each Sensor/Transmitter.
7. Replace any Sensor/Transmitter that does not
meet this specification.
8. The test will continue until any EVIC button is
pressed or until the ignition is cycled to OFF.
3.12.3.6.2 TRAINING THE SKREEM
(NORMAL BUILD)
If a Sensor/Transmitter is replaced, the vehicle
has to be parked for at least 15 minutes for the
system to be ready to learn the new Sensor/
Transmitter ID code. The vehicle then must be
driven for a minimum of five minutes with a
minimum continous speed above 13 mph (20 km/h).
The system will learn the new Sensor/Transmitter
and clear the DTC's automatically. The Sensor/
Transmitters are programed at the assembly plant
in this clockwise orientation:
Sensor/Transmitter 1 = Left Front
Sensor/Transmitter 2 = Right Front
Sensor/Transmitter 3 = Right Rear
Sensor/Transmitter 4 = Left Rear
NOTE:
1. If one or all Sensor/Transmitters cannot
be trained, check for and avoid RF inter-
ference.
2. If one Sensor/Transmitter still cannot be
trained, replace it and retry.
3. If all Sensor/Transmitters still fail to
train, replace the SKREEM.
3.12.3.6.2.1 PRESSURE THRESHOLDS
The SKREEM will monitor the tire pressure
signals from the Sensor/Transmitters and deter-
mine if any tire has gone below the low-pressure or
GENERAL INFORMATION
exceeded the high-pressure thresholds. Refer to the
tables below:
LOW TIRE PRESSURE THRESHOLDS
SYSTEM STATUS INDICATOR TIRE PRESSURE
ON
OFF
HIGH TIRE PRESSURE THRESHOLDS
SYSTEM STATUS INDICATOR TIRE PRESSURE
ON
OFF
3.12.3.2.2 ACTIVE FAULT AND SYSTEM
ALERTS
An active fault will be triggered when a system
failure has been detected. When this occurs, the
Instrument Cluster will illuminate the TPMS in-
dicator and the SKREEM will store the fault code.
An alert will be triggered when a tire pressure has
gone below and above the set threshold pressure.
The SKREEM will request a message to be dis-
played on the EVIC (if equipped). Only when a tire
pressure has gone below the set threshold pressure
will the SKREEM illuminate the TPMS indicator
and request the EVIC message (if equipped). This
action will be displayed as long as the fault/alert
condition is active.
3.12.4 COMPASS/MINI-TRIP COMPUTER
The Compass/Mini-Trip Computer (CMTC),
which is located in the overhead console, supple-
ments the standard vehicle instrumentation. The
CMTC uses the Electronic Vehicle Information
Center's (EVIC's) vacuum fluorescent (VF) display
to supply the vehicle operator with:
•
Compass heading.
•
Average fuel economy.
•
Distance to empty.
•
Tire pressure (early build).
The Overhead Console is also available with:
•
An optional integrated Universal Garage Door
Opener (UGDO) known as HomeLink .
The three UGDO buttons are labeled with
dots to indicate the channel number.
•
Two optional sunroof switches (OPEN/CLOSE
and VENT).
•
A standard Liftgate switch.
27
193 kPa (28 PSI)
227 kPa (43 PSI)
331 kPa (48 PSI)
296 kPa (43 PSI)
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