check engine light Alfa Romeo Giulia 2018 User Guide

ONBOARD DIAGNOSTIC
SYSTEM
Operation
The OBD (Onboard Diagnostic system)
carries out a continuous diagnosis of the
components of the vehicle related to
emissions.
It also alerts the driver of when these
components are no longer in peak
condition by switching on the
warning
light on the instrument panel (see
“Warning Lights And Messages”
paragraph in this chapter).
The aim of the OBD system (Onboard
Diagnostic) is to:
Monitor the efficiency of the system
Indicate an increase in emissions
Indicate the need to replace damaged
components
The vehicle also has a connector, which
can interface with appropriate tools, that
makes it possible to read the error codes
stored in the electronic control units
together with a series of specific
parameters for engine operation and
diagnosis. This check can be carried out
by your authorized dealer.
Note: After eliminating a fault, to check
the system completely, your authorized
dealer is obliged to run tests and, if
necessary certain road tests.
Onboard Diagnostic System (OBD II)
Cybersecurity
Your vehicle is required to have an
Onboard Diagnostic system (OBD II) and
a connection port to allow access to
information related to the performance
of your emissions controls. Authorized
service technicians may need to access
this information to assist with the
diagnosis and service of your vehicle and
emissions system.
Warning!
ONLY an authorized service technician
should connect equipment to the OBD II
connection port in order to read the VIN,
diagnose, or service your vehicle.
If unauthorized equipment is connected to
the OBD II connection port, such as a
driver-behavior tracking device, it may:
Be possible that vehicle systems,
including safety related systems, could be
impaired or a loss of vehicle control could
occur that may result in an accident
involving serious injury or death.
Access, or allow others to access,
information stored in your vehicle systems,
including personal information.
EMISSIONS INSPECTION AND
MAINTENANCE PROGRAMS
In some localities, it may be a legal
requirement to pass an inspection of your
vehicle's emissions control system.
Failure to pass could prevent vehicle
registration.
For states that require
an Inspection and
Maintenance (I/M), this
check verifies the
“Malfunction Indicator
Light (MIL)” is functioning and is not on
when the engine is running, and that the
OBD II system is ready for testing.
Normally, the OBD II system will be ready.
The OBD II system may notbe ready if
your vehicle was recently serviced,
recently had a dead battery or a battery
replacement. If the OBD II system should
be determined not ready for the I/M test,
your vehicle may fail the test.
Your vehicle has a simple ignition
actuated test, which you can use prior to
going to the test station. To check if your
vehicle's OBD II system is ready, you
must do the following:
1. Cycle the ignition switch to the ON
position, but do not crank or start the
engine.
Note: If you crank or start the engine,
you will have to start this test over.
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GETTING TO KNOW YOUR INSTRUMENT PANEL

2. As soon as you cycle the ignition
switch to the ON position, you will see the
“Malfunction Indicator Light (MIL)”
symbol come on as part of a normal bulb
check.
3. Approximately 15 seconds later, one
of two things will happen:
The MIL will flash for about ten
seconds and then return to being fully
illuminated until you turn OFF the ignition
or start the engine. This means that your
vehicle's OBD II system is not readyand
you should notproceed to the I/M
station.
The MIL will not flash at all and will
remain fully illuminated until you place
the ignition in the off position or start the
engine. This means that your vehicle's
OBD II system is readyand you can
proceed to the I/M station.
If your OBD II system is not ready,you
should see an authorized dealer or repair
facility. If your vehicle was recently
serviced or had a battery failure or
replacement, you may need to do nothing
more than drive your vehicle as you
normally would in order for your OBD II
system to update. A recheck with the
above test routine may then indicate that
the system is now ready. Regardless of whether your vehicle's
OBD II system is ready or not, if the MIL
is illuminated during normal vehicle
operation you should have your vehicle
serviced before going to the I/M station.
The I/M station can fail your vehicle
because the MIL is on with the engine
running.
87

AUXILIARY DRIVING SYSTEMS
The following auxiliary driving systems
are standard in this vehicle:
Blind Spot Monitoring (BSM)
Forward Collision Warning (FCW)
Tire Pressure Monitoring System
(TPMS)
Blind Spot Monitoring (BSM) System
The Blind Spot Monitoring (BSM) system
uses two radar sensors, located in the
rear bumper (one for each side), to detect
the presence of other vehicles in the rear
side blind spots of your vehicle.
The system warns the driver about the
presence of other vehicles in the
detection area by illuminating the
warning light located within the door
mirror on the side in which the other
vehicle was detected. If equipped, an audible chime will also be heard to alert
the driver (if option is selected within the
Information and Entertainment System).
When the engine is started the warning
light turns on to signal the driver that the
system is active.
Sensors
The sensors are activated when any
forward gear is engaged at a speed
higher than 6 mph (10 km/h) or when
REVERSE is engaged.
The sensors are temporarily deactivated
when the vehicle is in PARK.
The detection area of the system covers
approximately one lane on both sides of
the vehicle.
This area begins from the door mirror and
extends for 19 ft (6 m) towards the rear
part of the vehicle.
When the sensors are active, the system
monitors the detection areas on bothsides of the vehicle and warns the driver
about the possible presence of vehicles
in these areas.
While driving, the system monitors the
detection area from three different points
(side, rear and front) to check whether an
alert needs to be sent to the driver.
The system can detect the presence of a
vehicle in one of these three areas.
Note:
The system does not alert the driver
for the presence of fixed object (e.g.
safety barriers, poles, walls, etc.).
However, in some circumstances, the
system may activate in the presence of
these objects. This is normal and does
not indicate a system malfunction.
The system does not alert the driver
about the presence of vehicles coming
from the opposite direction, in the
adjacent lanes.
Warning!
The Blind Spot Monitoring system is only an
aid to help detect objects in the blind spot
zones. The BSM system is not designed to
detect pedestrians, bicyclists, or animals.
Even if your vehicle is equipped with the BSM
system, always check your vehicle’s mirrors,
glance over your shoulder, and use your turn
signal before changing lanes. Failure to do so
can result in serious injury or death.06016S0001EMRear Sensor Location
06016S0002EMBSM Indicator Light
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Rear View
The system detects vehicles coming from
the rear part of your vehicle on both sides
and entering the rear detection area with
a difference in speed of less than 31 mph
(50 km/h) with relation to your vehicle.
Overtaking Vehicles
If another vehicle is overtaken slowly,
with a difference in speed of less than
15 mph (25 km/h) and the vehicle stays in
the blind spot for approximately
1.5 seconds, the warning light on the door
mirror of the corresponding side
illuminates.
If the difference in speed between the
two vehicles is greater than 15 mph
(25 km/h), the warning light will not
illuminate.
Rear Cross Path Detection (RCP)
System
This system helps the driver during
reverse maneuvers in the case of reduced
visibility.
The RCP system monitors the rear
detection areas on both sides of the
vehicle to detect objects moving towards
the sides of the vehicle, with a minimum
speed between 1 mph (1 km/h) and
2 mph (3 km/h) and objects moving at a
maximum speed of 21 mph (35 km/h), in
areas such as parking lots.
The system activation is signaled to the
driver by an acoustic warning.Note:
If the sensors are covered by objects
or vehicles, the system will not warn the
driver.
For the system to operate correctly,
the rear bumper area where the radar
sensors are located must stay free from
snow, ice and dirt gathered from the
road surface.
Do not cover the rear bumper area
where the radar sensors are located with
any object (e.g. adhesives, bike rack,
etc.).
Warning!
Rear Cross Path Detection (RCP) is not a
back up aid system. It is intended to be used
to help a driver detect an oncoming vehicle in
a parking lot situation. Drivers must be
careful when backing up, even when using
RCP. Always check carefully behind your
vehicle, look behind you, and be sure to check
for pedestrians, animals, other vehicles,
obstructions, and blind spots before backing
up. Failure to do so can result in serious
injury or death.
Operating Mode
The system may be activated/
deactivated via the Information and
Entertainment System. To access the
function, select the following items on
the main menu in sequence:
1. “Settings.”
2. “Safety.”
3. “Blind Spot Alert.”
"Blind Spot Alert” Visual Mode
When the system is enabled, the warning
light within the door mirror on the side of
the detected object illuminates.
The visual warning on the mirror will blink
if the driver activates the turn signals,
indicating a lane change.
The warning will be fixed if the driver
stays in the same lane.
"Blind Spot Alert" Function
Deactivation
When the system is deactivated ("Blind
Spot Alert" mode off), the BSM or RCP
systems will not emit an acoustic or a
visual warning.
The BSM system will store the operating
mode running when the engine was
stopped. Each time the engine is started,
the operating mode stored previously will
be recalled and used.
94
SAFETY

The Air Bag Warning Light comes on
intermittently or remains on while
driving.
Note: If the speedometer, tachometer,
or any engine related gauges are not
working, the Occupant Restraint
Controller (ORC) may also be disabled. In
this condition the air bags may not be
ready to inflate for your protection. Have
an authorized dealer service the air bag
system immediately.
Warning!
Ignoring the Air Bag Warning Light in your
instrument panel could mean you won’t have
the air bag system to protect you in a collision.
If the light does not come on as a bulb check
when the ignition is first turned on, stays on
after you start the vehicle, or if it comes on as
you drive, have an authorized dealer service
the air bag system immediately.
Redundant Air Bag Warning Light
If a fault with the Air Bag Warning Light is
detected, which could affect the
Supplemental Restraint System (SRS),
the Redundant Air Bag Warning Light will
illuminate on the instrument panel. The
Redundant Air Bag Warning Light will
stay on until the fault is cleared. In
addition, a single chime will sound to alert
you that the Redundant Air Bag Warning Light has come on and a fault has been
detected. If the Redundant Air Bag
Warning Light comes on intermittently or
remains on while driving have an
authorized dealer service the vehicle
immediately.
For additional information regarding the
Redundant Air Bag Warning Light refer to
“Getting To Know Your Instrument Panel”
section of this manual.
Front Air Bags
This vehicle has front air bags and
lap/shoulder belts for both the driver and
front passenger. The front air bags are a
supplement to the seat belt restraint
systems. The driver front air bag is
mounted in the center of the steering
wheel. The passenger front air bag is
mounted in the instrument panel, above
the glove compartment. The words “SRS
AIRBAG” or “AIRBAG” are embossed on
the air bag covers.
06106S0001EMDriver Air Bag
06106S0002EMPassenger Air Bag
0502122443USFront Air Bag/Knee Bolster Locations
1 — Driver And Passenger Front Air Bags
2 — Driver And Passenger Knee Impact
Bolsters/Supplemental Knee Air Bags
109

Cut off battery power to the:
– Engine
– Electric Motor (if equipped)
– Electric power steering
– Brake booster
– Electric park brake
– Automatic transmission gear selector
– Horn
– Front wiper
– Headlamp washer pump Note:
After an accident, remember to
cycle the ignition to the STOP
(OFF/LOCK) position and remove the key
from the ignition switch to avoid draining
the battery. Carefully check the vehicle
for fuel leaks in the engine compartment
and on the ground near the engine
compartment and fuel tank before
resetting the system and starting the
engine. If there are no fuel leaks or
damage to the vehicle electrical devices
(e.g. headlights) after an accident, reset
the system by following the procedure
described below. If you have any doubt,
please see an authorized dealer.Enhanced Accident Response
System Reset Procedure
After the event occurs, when the system
is active, a message regarding fuel cutoff
is displayed. Turn the ignition switch from
ignition AVV/START or MAR/ACC/ON/
RUN to ignition STOP/OFF/LOCK.
Carefully check the vehicle for fuel leaks
in the engine compartment and on the
ground near the engine compartment and
fuel tank before resetting the system and
starting the engine.
D
epending on the nature of the event the
left and right turn signal lights, located in
the instrument panel, may both be blinking
and will continue to blink. In order to move
your vehicle to the side of the road, you
must follow the system reset procedure.
Customer Action Customer Will See
Note:
Each step MUST BE held for at least two seconds
1. Turn ignition STOP/OFF/LOCK. (Turn Signal Switch Must be placed in
Neutral
State).
2. Turn ignition MAR/ACC/ON/RUN. Right turn light BLINKS.
Left turn light is OFF.
3. Turn right turn signal switch ON. Right turn light is ON SOLID.
Left turn light BLINKS.
4. Place turn signal in neutral state. Right turn light is OFF.
Left turn light BLINKS.
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Safety Checks You Should Make Inside
The Vehicle
Seat Belts
Inspect the seat belt system periodically,
checking for cuts, frays, and loose parts.
Damaged parts must be replaced
immediately. Do not disassemble or
modify the system.
Front seat belt assemblies must be
replaced after a collision. Rear seat belt
assemblies must be replaced after a
collision if they have been damaged
(i.e., bent retractor, torn webbing, etc.).
If
there is any question regarding seat belt
or retractor condition, replace the seat belt.
Air Bag Warning Light
The Air Bag warning lightwill turn on
for four to eight seconds as a bulb check
when the ignition switch is first turned to
ON/RUN. If the light is either not on
during starting, stays on, or turns on while
driving, have the system inspected at
your authorized dealer as soon as
possible. After the bulb check, this light
will illuminate with a single chime when a
fault with the Air Bag System has been
detected. It will stay on until the fault is
removed. If the light comes on
intermittently or remains on while
driving, have your authorized dealer
service the vehicle immediately.
Refer to “Occupant Restraint Systems” in
“Safety” for further information.
Defroster
Check operation by selecting the defrost
mode and place the blower control on
high speed. You should be able to feel the
air directed against the windshield. See
your authorized dealer for service if your
defroster is inoperable.
Floor Mat Safety Information
Always use floor mats designed to fit
your vehicle. Only use a floor mat that
does not interfere with the operation of
the accelerator, brake or clutch pedals.
Only use a floor mat that is securely
attached using the floor mat fasteners so
it cannot slip out of position and interfere
with the accelerator, brake or clutch
pedals or impair safe operation of your
vehicle in other ways.
Warning!
An improperly attached, damaged, folded, or
stacked floor mat, or damaged floor mat
fasteners may cause your floor mat to
interfere with the accelerator, brake, or
clutch pedals and cause a loss of vehicle
control. To prevent SERIOUS INJURY or
DEATH:
ALWAYS securely attachyour floor
mat using the floor mat fasteners. DO NOT
install your floor mat upside down or turn
your floor mat over. Lightly pull to confirm
mat is secured using the floor mat fasteners
on a regular basis.
ALWAYS REMOVE THE EXISTING FLOOR
MAT FROM THE VEHICLEbefore
installing any other floor mat. NEVER install
or stack an additional floor mat on top of an
existing floor mat.
ONLY install floor mats designed to fit
your vehicle. NEVER install a floor mat that
cannot be properly attached and secured to
your vehicle. If a floor mat needs to be
replaced, only use a FCA approved floor mat
for the specific make, model, and year of
your vehicle.
ONLY use the driver’s side floor mat on
the driver’s side floor area. To check for
interference, with the vehicle properly
parked with the engine off, fully depress the
accelerator, the brake, and the clutch pedal
(if present) to check for interference. If your
floor mat interferes with the operation of
any pedal, or is not secure to the floor,
remove the floor mat from the vehicle and
place the floor mat in your trunk.
ONLY use the passenger’s side floor mat
on the passenger’s side floor area.
ALWAYS make sure objects cannot fall or
slide into the driver’s side floor area when
the vehicle is moving. Objects can become
trapped under accelerator, brake, or clutch
pedals and could cause a loss of vehicle
control.
NEVER place any objects under the floor
mat (e.g., towels, keys, etc.). These objects
could change the position of the floor mat
and may cause interference with the
accelerator, brake, or clutch pedals.
128
SAFETY

If the vehicle carpet has been removed
and re-installed, always properly attach
carpet to the floor and check the floor mat
fasteners are secure to the vehicle carpet.
Fully depress each pedal to check for
interference with the accelerator, brake, or
clutch pedals then re-install the floor mats.
It is recommended to only use mild soap
and water to clean your floor mats. After
cleaning, always check your floor mat has
been properly installed and is secured to
your vehicle using the floor mat fasteners
by lightly pulling mat.
Periodic Safety Checks You Should
Make Outside The Vehicle
Tires
Examine tires for excessive tread wear
and uneven wear patterns. Check for
stones, nails, glass, or other objects
lodged in the tread or sidewall. Inspect
the tread for cuts and cracks. Inspect
sidewalls for cuts, cracks, and bulges.
Check the wheel nuts for tightness.
Check the tires (including spare) for
proper cold inflation pressure.
Lights
Have someone observe the operation of
brake lights and exterior lights while you
work the controls. Check turn signal and
high beam indicator lights on the
instrument panel.
Door Latches
Check for proper closing, latching, and
locking.
Fluid Leaks
Check area under the vehicle after
overnight parking for fuel, coolant, oil, or
other fluid leaks. Also, if gasoline fumes
are detected or if fuel, or brake fluid
leaks are suspected. The cause should be
located and corrected immediately.
Warning!
To prevent SERIOUS INJURY or DEATH when
using “Track-Use” parts and equipment:
NEVER use any “Track-Use” equipment on
public roads. FCA US LLC does not authorize
the use of “Track-Use” equipment on public
roads.
The intended use of “Track-Use” parts is
for race vehicles on race tracks. To help
ensure the safety of the race driver,
engineers should supervise the installation
of “Track-Use” parts.
FCA US LLC does not authorize the
installation or use of any part noted as
“Track-Use” on any new vehicle prior to its
first retail sale.
Warning!
To prevent SERIOUS INJURY or DEATH:ALWAYS remove any “Track-Use”
equipment before driving on public roads.
ALWAYS properly use your three-point
seat belts when driving on public roads.
In a collision, you and your passengers can
suffer much greater injuries if you are not
properly buckled up. You can strike the
interior of your vehicle or other passengers,
or you can be thrown out of the vehicle.
129

SUGGESTIONS FOR DRIVING
Saving Fuel
Below are some suggestions which may
help you save fuel and lower the amount
of harmful emissions released into the
atmosphere.
Vehicle Maintenance
Checks and operations should be carried
out in accordance with the Maintenance
Plan. Refer to "Scheduled Servicing" in
"Servicing And Maintenance" for further
information.
Tires
Check the tire pressures at least once
every four weeks: if the pressure is too
low, consumption levels increase as
resistance to rolling is higher.
Unnecessary Loads
Do not travel with an overloaded trunk.
The weight of the vehicle and its
arrangement greatly affect fuel
consumption and stability.
Electric Devices
Use electrical systems only for the
amount of time needed. The rear window
defroster, additional headlights,
windshield wipers and heater blower fan
require a considerable amount of energy;
increasing the current uptake increases
fuel consumption (by up to +25% when
city driving).Climate Control System
Using the climate control system will
increase consumption: use standard
ventilation when the temperature
outside permits.
Devices for Aerodynamic Control
The use of non-certified devices for
aerodynamic control may adversely
affect air drag and consumption levels.
Driving Style
Starting
Do not warm up the engine at low or high
revs when the vehicle is stationary; this
causes the engine to warm up more
slowly, thereby increasing fuel
consumption and emissions. It is
therefore advisable to drive off
immediately, slowly, avoiding high
speeds: by doing this the engine will
warm up more quickly.
Unnecessary Actions
Avoid revving up when starting at traffic
lights or before stopping the engine.
This action is unnecessary and causes
increased fuel consumption and pollution.
Gear Selection
Use a high gear when traffic and road
conditions allow it. Using a low gear for
faster acceleration will increase fuel
consumption. Improper use of a high gear
increases consumption, emissions and
engine wear.Max. Speed
Fuel consumption considerably increases
as speed increases. Maintain a constant
speed, avoiding unnecessary braking and
acceleration, which cost in terms of both
fuel consumption and emissions.
Acceleration
Accelerating violently severely affects
consumption and emissions: acceleration
should be gradual and should not exceed
the maximum torque.
Conditions Of Use
Cold Starting
Short trips and frequent cold starts will
not allow the engine to reach optimum
operating temperature. This results in a
significant increase in consumption
levels (from +15 to +30% in city driving)
and emissions.
Traffic And Road Conditions
High fuel consumption is caused by heavy
traffic, for instance when travelling in
traffic with frequent use of low gears or
in cities with many traffic lights. Winding
mountain roads and rough road surfaces
also adversely affect consumption.
Stops In Traffic
During prolonged stops (e.g. railway
crossings) turn off the engine.
168
STARTING AND OPERATING

3. Install bulb, making sure that it is
correctly inserted fully.
4. Close the protective cover on the lens.
5. Install puddle light in the correct
position, inserting it firstly on one side
and then pressing on the other side until
it clicks into place.
FUSES
General Information
The fuses protect electrical systems
against excessive current.
When a device does not work, you must
check the electrical circuit inside of the
fuse for a break/melt.
Also, please be aware that using power
outlets for extended periods of time with
the engine off may result in vehicle
battery discharge.
08026S0011EMCover And Bulb Removal Direction
2
3
1
0726067916Blade Fuses
1 — Electrical Circuit
2 — Blade Fuse With Good Electrical
Circuit
3
— Blade Fuse With Bad Electrical Circuit
08036S0002EMJ-CASE Fuse
1 — Electrical Circuit
2 — Case Fuse With Good Electrical
Circuit
3
— Case Fuse With Bad Electrical Circuit
177