engine CADILLAC SEVILLE 2001 5.G Service Manual

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BATTERY VOLTAGE LOW - 6: This message will
appear when the electrical system is charging less than
10.5 volts or if the battery has been drained. If this
message appears immediately after starting, it is possible
that the generator can still recharge the battery. The
battery should recharge while driving but may take a
few hours to do so. Consider using an auxiliary charger
(be sure to follow the manufacturer's instructions) to
boost the battery after returning home or to a final
destination. If this message appears while driving or
after starting your vehicle and stays on, have it checked
immediately to determine the cause of this problem.
To help the generator recharge the battery quickly, you
can reduce the load on the electrical system by turning
off the accessories. You can monitor battery voltage on
the DIC by pressing the INFO button. The normal
range is 11.5 to 15.5 volts.
CHANGE BRAKE PADS
- 125: This message is used
to notify you that the brake pads may have worn down.
A sensor is connected to the brake pads and is triggered
when they wear to a certain point. Have the front and
rear brakes serviced by your dealer as soon as possible.CHANGE ENGINE OIL
- 82: This means that the
life of the engine oil has expired and it should be
changed within 200 miles. See ªEngine Oilº and ªFilter
Recommendationsº in the Maintenance Schedule
booklet. After an oil change, the Oil Life Indicator must
be reset. See ªOil Life Indicator, How to Resetº in
the Index.
CHANGE TRANS FLUID
- 47: This message will
appear when it is time to replace the transaxle fluid.
See the Maintenance Schedule booklet for the proper
fluid and change intervals.
CHECK BRAKE FLUID
- 37: This message will
display if the ignition is in ON to inform the driver that
the brake fluid level is low. Have the brake system
serviced by a technician as soon as possible. See ªBrake
System Warning Lightº in the Index.
CHECK COOLANT LEVEL
- 2: This message
will appear when there is a low level of engine coolant.
Have the cooling system serviced by a technician as
soon as possible.

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CHECK FUEL GAGE - 50: This message will appear
when the fuel supply is less than 5 gallons (18.9 L) and
the display is turned off. A single chime will also sound
when this message is displayed.
CHECK GAS CAP
- 61: This message will appear if
the gas cap has not been fully tightened. You should
recheck your gas cap to ensure that it's fully tightened.
CHECK OIL LEVEL
- 36: For correct operation of
the low oil sensing system, your vehicle should be on a
level surface. A false CHECK OIL LEVEL message
may appear if the vehicle is parked on grades. The oil
level sensing system does not check for actual oil level
if the engine has been off for a short period of time, and
the oil level is never sensed while the engine is running.
If the CHECK OIL LEVEL message appears, and your
vehicle has been parked on level ground with the engine
off for at least 30 minutes, the oil level should be
checked by observing the oil dipstick. Prior to checking
the oil level, be sure the engine has been off for a few
minutes and your vehicle is on a level surface.
Then check the dipstick and add oil if necessary.
See ªEngine Oilº in the Index.CHECK TIRE PRESSURE
- 144: This message is
displayed when the Tire Pressure Monitor (TPM) system
detects a low or high tire pressure condition in one or
more of the road tires. By pressing the INFO button up
or down the DIC display will show which tire or tires do
not have the correct inflation pressure. A ªLOW TIREº
condition exists when the tire's air pressure is under
24 psi (165 kPa) and a ªHIGH TIREº condition exists
when the tire's air pressure is above 36 psi (248 kPa).
The system will display the air pressure, the tire location
(LF, RF, RR or LR) and if the air pressure is low or
high. The tire pressure information is available in
English or metric measurements. For example, a driver's
side front tire that is low may be shown as: 22 PSI LF
TIRE LOW.
The correct tire inflation pressure should be set to those
shown on the Tire Loading
-Information Label, located on
the rear edge of the driver's door. For more information
regarding proper tire inflation, see ªInflation
-- Tire
Pressureº in the Index. If a tire is low, you should stop
as soon as possible and inspect your tire(s) for damage.
If a tire is flat, see ªIf a Tire is Flatº in the Index.

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Once the TPM system detects the low or high tire
pressure condition, the message ªCHECK TIRE
PRESSUREº will be displayed whenever you start the
engine or the ignition is in the ON position. To remove
or clear the CHECK TIRE PRESSURE message, you
will need to set the tire(s) to the proper tire pressure.
See ªInflation
-- Tire Pressureº in the Index.
CAUTION:
When the CHECK TIRE PRESSURE message
is displayed on the Driver Information Center
and the tire pressure is low, your vehicle handling
capabilities will be reduced during severe
maneuvers. If you drive too fast, you could lose
control of your vehicle. You or others could be
injured. Don't drive over 55 mph (90 km/h) when
the tire pressure is low. Drive cautiously and
correct the tire pressure as soon as you can.
CHECK WASHER FLUID - 25: This message means
that you need washer solvent.
DRIVER DOOR AJAR
- 140: This message will
display anytime the key is in ON, the transaxle is not in
PARK (P) and the driver's door is open or ajar. A chime
will also sound when the vehicle's speed is greater than
3 mph (4.8 km/h).
DRIVER NO. X (1 OR 2) : This message will be
displayed with the key in ON and while entering
FEATURE PROGRAMMING, but only if the vehicle
is equipped with memory seats. The message will show
which driver is activating the personalization feature.
It will only stay on for five seconds. This message can
be customized for you by your dealer.
ENGINE COOLANT HOT, IDLE ENGINE
- 44:
This message will appear when the engine coolant
temperature is over 262
F (128
C). Stop and allow your
vehicle to idle in PARK (P) until it cools down and the
message is removed. Do not increase engine speed
above a normal idle. If it does not cool down, turn off
the engine and have it serviced before driving it again.
Severe engine damage can result from an overheated
engine. See ªEngine Overheatingº in the Index.

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ENGINE HOT-AC OFF - 16: This message displays
when the engine coolant becomes hotter than the normal
operating temperature. To avoid added strain on a hot
engine, the air conditioning compressor is automatically
turned off. When the coolant temperature returns to
normal, the A/C operation will automatically resume.
You can continue to drive your vehicle. If this message
continues to appear, have the system repaired as soon as
possible to avoid compressor damage.
ENGINE OVERHEATED, STOP ENGINE
- 42: This
message will appear when the engine has overheated.
Stop and turn the engine off immediately to avoid severe
engine damage. See ªEngine Overheatingº in the Index.
A multiple chime will also sound when this message
is displayed.
ENGINE POWER REDUCED
- 41: This message
informs you that the vehicle is reducing engine power
because the transaxle is being placed in gear under
conditions that may cause damage to the vehicle's
engine, transaxle or ability to accelerate.
FUEL LEVEL LOW
- 11 : This message serves as
a warning that the fuel level in the tank is critically low.
Stop for fuel soon. A single chime will also sound when
this message is displayed.HEADLAMPS SUGGESTED
- 23: If it's dark enough
outside and the headlamps and the Twilight Sentinel

controls are off, a HEADLAMPS SUGGESTED
message will display on the DIC. This message
informs the driver that turning on the exterior lamps is
recommended even though the Daytime Running Lamps
(DRL) are still illuminated. It has become dark enough
outside to require the headlamps and/or other exterior
lamps. This message will also appear if the optional
Rainsense wiping feature is on and the Twilight
Sentinel

is off.
ICE POSSIBLE
- 13: This message appears when
the outside air temperature is cold enough to create icy
road conditions.
LEFT REAR DOOR AJAR
- 142: The left rear door
is open or ajar when this message appears. The ignition
must be in ON and the transaxle not in PARK (P) for
this message to display. A chime will also sound when
the vehicle's speed is greater than 3 mph (4.8 km/h).
OIL PRESSURE LOW STOP ENGINE
- 35: If this
message appears while the engine is running, stop the
engine and do not operate it until the cause of low oil
pressure is corrected. Severe damage to the engine can
result. A multiple chime will also sound when this
message is displayed.

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PASSENGER DOOR AJAR - 141: The passenger's
door is open or ajar when this message appears.
The ignition must be in ON and the transaxle not in
PARK (P) for this message to display. A chime will
also sound when the vehicle's speed is greater
than 3 mph (4.8 km/h).
RIGHT REAR DOOR AJAR
- 143: The right
rear door is open or ajar when this message appears.
The ignition must be in ON and the transaxle not in
PARK (P) for this message to display. A chime will
also sound when the vehicle's speed is greater
than 3 mph (4.8 km/h).
SERVICE AC SYSTEM
- 14: This message appears
when the electronic sensors that control the air
conditioning and heating systems are no longer working.
Have the climate control system serviced if you notice a
drop in heating and air conditioning efficiency.
SERVICE AIR BAG
- 83: There is a problem with the
supplemental inflatable restraint (air bag) system when
this message appears. Let only a qualified technician
work on your vehicle. See your dealership for service
at once.SERVICE CHARGING SYS
- 102: This message
will display when a problem with the charging system
has been detected. Have your vehicle serviced at
your dealership.
SERVICE ELECTRICAL SYS
- 106: This message
will display if an electrical problem has occurred within
the Powertrain Control Module (PCM) or the ignition
switch. Have your vehicle serviced by your dealership.
SERVICE FUEL SYSTEM
- 101: The Powertrain
Control Module (PCM) has detected a problem within
the fuel system when this message appears. See your
dealership for service.
SERVICE IDLE CONTROL
- 107: A problem with
the idle control has occurred when this message displays.
Take your vehicle to your dealership for service.
SERVICE STABILITY SYS
- 54: If you ever see
the SERVICE STABILITY SYS message, it means
there may be a problem with your stability enhancement
system. If you see this message, try to reset the system
(stop; turn off the engine; then start the engine again).
If the SERVICE STABILITY SYS message still
comes on, it means there is a problem. You should see
your dealer for service. Reduce your speed and drive
accordingly. A single chime will also sound when this
message is displayed.

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STABILITY SYS ENGAGED - 55: You may see
the STABILITY SYS ENGAGED message on the
Driver Information Center. It means that an advanced,
computer
-controlled system has come on to help your
vehicle continue to go in the direction in which you're
steering. This stability enhancement system activates
when the computer senses that your vehicle is just
starting to spin, as it might if you hit a patch of ice or
other slippery spot on the road. When the system is on,
you may hear a noise or feel a vibration in the brake
pedal. This is normal.
When the STABILITY SYS ENGAGED message is on,
you should continue to steer in the direction you want to
go. The system is designed to help you in bad weather or
other difficult driving situations by making the most of
whatever road conditions will permit. If the STABILITY
SYS ENGAGED message comes on, you'll know that
something has caused your vehicle to start to spin,
so you should consider slowing down.
SERVICE STEERING SYS
- 127: This message
is displayed when a problem has been detected in the
Magnasteer

variable effort steering system. Service
is required.SERVICE SUSPENSION SYS
- 84: This message is
displayed to indicate that the suspension system is not
operating properly. To correct this problem, have your
vehicle serviced at your dealership.
SERVICE THEFT SYSTEM
- 34: This message
means there is a problem in the Personalized
Automotive Security System (PASS
-Key
III).
A fault has been detected in the system which means
that the PASS
-Key III system is disabled and is not
protecting the vehicle. The vehicle usually restarts,
however, you may want to take your vehicle to a proper
service center before turning off the engine.
SERVICE TPM SYSTEM
- 51: When this message is
displayed, the Tire Pressure Monitor (TPM) system is
not working properly. See your dealer for service.
SERVICE TRANSMISSION
- 100: See your dealer
for repair.
SERVICE VEHICLE SOON
- 3: This message is
displayed when a non
-emissions related powertrain
malfunction occurs. Have your vehicle serviced by a
technician as soon as possible.

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TRANS HOT IDLE ENGINE - 112: This message
indicates that the transaxle fluid in your vehicle is too
hot. Stop and allow your vehicle to idle until it cools
down or until this message is removed.
TRUNK OPEN
- 24: This message indicates that the
trunk is open when the ignition is on.
TURN SIGNAL ON
- 20: This message is a reminder,
after driving about a mile, that you have the turn signal
on. A multiple chime will also sound when this message
is displayed.
VEHICLE OVERSPEED
- 52: This message is
displayed when the vehicle speed exceeds a certain limit
as required by some export countries. A continuous
chime will also sound when this message is displayed.
Vehicle Programming and
Personalization Features
(If Equipped)
If your vehicle is equipped with personalization,
you can program certain features to a preferred setting
for up to two people. If your vehicle does not have
personalization, then some of the features on your
vehicle have been programmed for all drivers.
On all vehicles, certain features such as climate control
settings, radio preset settings, exterior lighting at
unlock, remote lock and unlock confirmation and
automatic door locks have already been programmed
for your convenience. If the vehicle is equipped with
Personalization, then the seat position, steering column
position (if equipped) and the outside mirror positions
can also be programmed. The navigation screen
preferences (if equipped) will remain at the last
set position.

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Comfort Controls and Radio
System Personalization
These features allow both drivers to personalize their
own climate control settings as well as their radio
settings. For more information, see ªClimate Control
Personalizationº and ªRadio Personalizationº in
the Index.
The outside temperature is always available for display
if it has been selected for a DIC display when your
vehicle is running unless an overriding DIC message
appears. You can change the temperature from
Fahrenheit to Celsius by pressing the ENG/MET
(English/metric) button on the instrument panel.
For more information on the DIC, see ªDIC Messagesº
in the Index.The electronic sensor can be affected by road or engine
heat during idling, slow driving or when the engine is
first started after a short trip. To ensure proper automatic
climate control operation, the outside air temperature
display may not update as quickly as expected. This is to
allow the air surrounding the outside temperature sensor
to be as close to the actual outside conditions as
possible. This is determined by how much time has
elapsed since the vehicle has been turned off and by
vehicle speed.
Continuous Variable Road Sensing
Suspension (CVRSS) - STS Only
The CVRSS automatically adjusts the ride of your
vehicle. Automatic ride control is achieved through a
computer used to control and monitor the suspension
system. The controller receives input from various
sensors to determine the proper system response. If the
controller detects a problem within the system, the DIC
will display a SERVICE SUSPENSION SYS message.
If this message appears, have your vehicle serviced at
your dealership.

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Oil Life Indicator
This feature lets you know when to change the engine
oil. It's based on the engine oil temperatures and your
driving patterns. To see the display, press the INFO
button several times until ENGINE OIL LIFE appears.
If you see 99% ENGINE OIL LIFE, 99 percent of your
current oil life remains.The DIC may display a CHANGE ENGINE OIL
message. Always keep a written record of the mileage
and date when you changed your oil. For more
information, see the Maintenance Schedule booklet.
If you see CHANGE ENGINE OIL, it means the
oil life is gone and you should change the oil right away.
The system doesn't check how much oil you have,
so you'll still have to check for that. To see how, see
ªEngine Oilº in the Index.
When the oil is changed, you'll need to reset the system.
See ªOil Life Indicator, How to Resetº in the Index.

3-4
To avoid blowing cold air in cold weather, the system
will start at reduced fan speeds until warm air is
available. The length of reduction depends on the
outside air temperature, engine coolant temperature or
the time since the engine was last started. As the coolant
warms up, the blower fan speed will gradually increase
and air will flow from the heater outlets, with some
airflow to the windshield to prevent fogging under most
normal conditions. If you select defrost mode or a
manual fan speed, this function will be skipped.
If you leave your vehicle, the system will remember the
control setting the next time you start your engine,
except for recirculation and defrost. Each ignition cycle
cancels recirculation. Defrost will change to automatic
operation when the ignition is shut off and then turned
back on.Manual Operation
You may manually adjust the air delivery mode, fan
speed, air input and compressor operation using the
following controls.
DEFROST (FRONT): Press this button to quickly
remove fog or frost from the windshield. This setting
sends most of the airflow to the windshield with only a
small amount to the floor outlets.
RECIRCULATION: Press this button to limit
the amount of fresh air entering your vehicle. This is
helpful when you are trying to cool the air quickly or
limit odors entering your vehicle. In the AUTO mode,
the system will use recirculation as necessary to cool the
air. Pressing the recirculation button will change the
operation to a manual mode and the air will recirculate
non
-stop. Press this button again to turn off the
recirculation feature. If you notice the windows fogging,
press the recirculation button to exit the recirculation
mode. Recirculation is not available in the defrost mode.