2007 NISSAN TITAN check engine

CHECKING BULBS
With all doors closed, apply the parking brake
and turn the ignition key to the ON position
without starting the engine. The following lights
will come on:
,or,,,,
The following lights come on briefly and then go
off:
or,,,,,,
If any light fails to come on, it may indicate
a burned-out bulb or an open circuit in the
electrical system. Have the system repaired
promptly.
WARNING LIGHTS
orAnti-lock braking
warning light
If the light comes on while the engine is running,
it may indicate the anti-lock braking system is not
functioning properly. Have the system checked
by a NISSAN dealer.
If a malfunction occurs in the system, the anti-
lock function is turned off, but the regular braking
system continues to operate.If the light comes on while you are driving,
contact a NISSAN dealer for repair.
The ABS system will be disabled and the ABS
light will illuminate when the electronic locking
rear differential (E-Lock) system switch (if so
equipped) is turned on and the E-Lock system is
engaged. If the E-Lock system disengages or the
switch is turned off, the ABS system will be
enabled and the ABS light will turn off.
Automatic transmission check
warning light
When the ignition switch is turned ON, the light
comes on for about 2 seconds. If the light comes
on at any other time, it may indicate the automatic
transmission system is not functioning properly.
Have the system checked by a NISSAN dealer.
Automatic transmission park
warning light (
model)
WARNING
cIf the ATP light is ON, this indicates that
the automatic transmission P (Park) po-
sition will not function and the transfer
case is in neutral.cWhen parking, always make sure that
the 4WD shift indicator light illuminates
and the parking brake is set. Failure to
engage the transfer position in 2WD, 4H
or 4LO could result in the vehicle mov-
ing unexpectedly, resulting in serious
personal injury or property damage.
cShift the 4WD switch into the 2WD, 4H
or 4LO position again to turn off the ATP
warning light when the automatic trans-
mission selector lever is in the P posi-
tion and the ATP warning light is ON.
(Before shifting the 4WD switch into the
4LO position, move the automatic
transmission selector lever into the N
position once, shift the selector lever
into P again and make sure the ATP
warning light is OFF.)
This light indicates that the automatic transmis-
sion parking function is not engaged. If the trans-
fer control is not secured in any drive position
while the automatic transmission selector lever is
in the P (Park) position, the transmission will
disengage and the drive wheels will not lock.
orBrake warning light
This light functions for both the parking brake and
the foot brake systems.
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Parking brake indicator
When the ignition key is in the ON position, the
light comes on when the parking brake is applied.
Low brake fluid warning light
When the ignition key is in the ON position, the
light warns of a low brake fluid level. If the light
comes on while the engine is running with the
parking brake not applied, stop the vehicle and
perform the following:
1. Check the brake fluid level. Add brake fluid
as necessary. See “Brake fluid” in the “Main-
tenance and do-it-yourself” section of this
manual.
2. If the brake fluid level is correct, have the
warning system checked by a NISSAN
dealer.
WARNING
cYour brake system may not be working
properly if the warning light is on. Driv-
ing could be dangerous. If you judge it
to be safe, drive carefully to the nearest
service station for repairs. Otherwise,
have your vehicle towed because driv-
ing it could be dangerous.cPressing the brake pedal with the en-
gine stopped and/or a low brake fluid
level may increase your stopping dis-
tance and braking will require greater
pedal effort as well as pedal travel.
cIf the brake fluid level is below the
MINIMUM or MIN mark on the brake
fluid reservoir, do not drive until the
brake system has been checked at a
NISSAN dealer.
Charge warning light
If this light comes on while the engine is running,
it may indicate the charging system is not func-
tioning properly. Turn the engine off and check
the generator belt. If the belt is loose, broken,
missing, or if the light remains on, see a NISSAN
dealer immediately.
CAUTION
cDo not ground electrical accessories
directly to the battery terminal. Doing
so will bypass the variable control sys-
tem and the vehicle battery may not
charge completely. Refer to “Variable
voltage control system” in the “Mainte-
nance and do-it-yourself” section later
in this manual.cDo not continue driving if the generator
belt is loose, broken or missing.
Door open warning light
This light comes on when any of the doors are not
closed securely while the ignition key is in the ON
position.
Engine oil pressure
low/Engine coolant
temperature high warning
light
This light warns of low engine oil pressure or high
engine coolant temperature.
If the light flickers or comes on during normal
driving, pull off the road in a safe area, stop the
engine and allow it to cool. If the light remains on
after checking the oil and coolant, stop the en-
gineimmediatelyand call a NISSAN dealer or
other authorized repair shop.
This light is not designed to indicate a low
oil or low coolant level.Check the oil level
with the dipstick and check the coolant level on
the reservoir. See “Engine oil” and “Checking
engine coolant level” in the “Maintenance and
do-it-yourself” section of this manual. Also see “If
your vehicle overheats” in the “In case of emer-
gency” section of this manual.
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CAUTION
cRunning the engine with the engine oil
pressure warning light on could cause
serious damage to the engine almost
immediately. Such damage is not cov-
ered by warranty. Turn off the engine as
soon as it is safe to do so.
cIf the gauge indicates engine coolant
temperature over the normal range,
stop the vehicle as soon as safely pos-
sible. If the engine is overheated, con-
tinued operation of the vehicle may se-
riously damage the engine. See “If your
vehicle overheats” in the “In case of
emergency” section for immediate ac-
tion required.
4WD warning light (
model)
The 4WD warning light comes on when the key
switch is turned to ON. It turns off soon after the
engine is started.
If the engine or vehicle is not functioning properly,
the warning light will either remain illuminated or
blink. See “4WD warning light” in the “Starting
and driving” section.
CAUTION
cIf the warning light comes on or blinks
during operation, have your vehicle
checked by a NISSAN dealer as soon as
possible.
cDo not drive on dry hard surface roads
in the 4H or 4LO position. If the 4WD
warning light turns on when you are
driving on dry hard surface roads:
– in the 4H position, shift the 4WD shift
switch to 2WD.
– in the 4LO position, stop the vehicle,
move the automatic transmission
shift selector lever to the N position
with the brake pedal depressed, and
shift the 4WD shift switch to 2WD.
cIf the warning light is still on after the
above operation, have your vehicle
checked by a NISSAN dealer as soon as
possible.
Low fuel warning light
This light comes on when the fuel level in the fuel
tank is getting low. Refuel as soon as it is conve-
nient, preferably before the fuel gauge reaches E
(Empty) .There will be a small reserve of fuel
in the tank when the fuel gauge needle
reaches E (Empty) .
Low tire pressure warning
light
Your vehicle is equipped with a Tire Pressure
Monitoring System (TPMS) that monitors the tire
pressure of all tires except the spare.
The low tire pressure warning light warns of low
tire pressure or indicates that the TPMS is not
functioning properly.
After the ignition switch is turned ON, this light
illuminates for about 1 second and turns off.
Low tire pressure warning:
If the vehicle is being driven with low tire pres-
sure, the warning light will illuminate. If you select
the tire pressure information in the display (if so
equipped) , the LOW PRESSURE warning mes-
sage will be displayed. The tire pressure for each
tire will also be displayed.
When the low tire pressure warning light illumi-
nates, you should stop and adjust the tire pres-
sure to the recommended COLD tire pressure
shown on the Tire and Loading Information label.
The low tire pressure warning light does not
automatically turn off when the tire pressure is
adjusted. After the tire is inflated to the recom-
mended pressure, the vehicle must be driven at
speeds above 16 MPH (25 km/h) to activate the
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The seat belt warning light may also illuminate if
the front passenger’s seat belt is not fastened
when the front passenger’s seat is occupied . For
7 seconds after the ignition switch is in the ON
position, the system does not activate the warn-
ing light for the front passenger.
Refer to “Seat belts” in the “Safety—Seats, seat
belts and supplemental restraint system” section
for precautions on seat belt usage.
Supplemental air bag warning
light
When the ignition key is in the ON or START
position, the supplemental air bag warning light
illuminates for about 7 seconds and then turns
off. This means the system is operational.
If any of the following conditions occur, the
supplemental front air bags, supplemental side
air bags (if so equipped) , curtain side-impact and
rollover air bags (if so equipped) , and pre-
tensioner seat belt systems need servicing and
your vehicle must be taken to a NISSAN dealer:
cThe supplemental air bag warning light re-
mains on after approximately 7 seconds.
cThe supplemental air bag warning light
flashes intermittently.
cThe supplemental air bag warning light does
not come on at all.Unless checked and repaired, the supplemental
restraint system (air bag system) and/or the pre-
tensioner seat belts may not function properly.
For additional details see “Supplemental restraint
system” in the “Safety—Seats, seat belts and
supplemental restraint system” section of this
manual.
WARNING
If the supplemental air bag warning light
is on, it could mean that the supplemental
front air bag, supplemental side air bag,
curtain side-impact and rollover air bag
systems (if so equipped) and/or pre-
tensioner seat belt systems will not oper-
ate in an accident. To help avoid injury to
yourself or others, have your vehicle
checked by a NISSAN dealer as soon as
possible.
INDICATOR LIGHTS
Automatic transmission
position indicator light
When the ignition key is turned to the ON posi-
tion, this indicator light shows the automatic
transmission selector lever position. See “Driving
the vehicle” in the “Starting and driving” section
of this manual.
Cruise main switch indicator
light
The light comes on when the cruise control main
switch is pushed. The light goes out when the
main switch is pushed again. When the cruise
main switch indicator light comes on, the cruise
control system is operational.
Cruise set switch indicator
light
The light comes on while the vehicle speed is
controlled by the cruise control system. If the light
blinks while the engine is running, it may indicate
the cruise control system is not functioning prop-
erly. Have the system checked by a NISSAN
dealer.
Electronic locking rear
differential (E-Lock) system
on indicator light (if so
equipped)
This light comes on when the electronic locking
rear differential (E-Lock) system clutch is fully
engaged.
The indicator light flashes when the system is first
turned on. When the system fully engages, the
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light remains on. If the switch is on and the
indicator light continues to flash, the system is
not engaged.
For additional information, see “Electronic lock-
ing rear differential (E-Lock) system switch” later
in this section and “Electronic locking rear differ-
ential (E-Lock) system” in the “Starting and driv-
ing” section of this manual.
4WD shift indicator light
(
model)
The light should turn off within 1 second after
turning the ignition switch to ON.
While the engine is running, the 4WD shift indi-
cator light will illuminate the position selected by
the 4WD shift switch.
The 4WD shift indicator light may blink
while shifting from one drive mode to the
other.
Front passenger air bag
status light
The front passenger air bag status light ()
will be lit and the passenger front air bag will be
OFF depending on how the right front passenger
seat is being used.
For front passenger air bag status light operation,
see “Front passenger air bag and status light” inthe “Safety — Seats, seat belts and supplemental
restraint system” section of this manual.
High beam indicator light
(Blue)
This blue light comes on when the headlight high
beams are on and goes out when the low beams
are selected.
The high beam indicator light also comes on
when the passing signal is activated.
Malfunction indicator light
(MIL)
If this indicator light comes on steady or blinks
while the engine is running, it may indicate a
potential emission control malfunction.
The malfunction indicator light may also come on
steady if the fuel-filler cap is loose or missing, or if
the vehicle runs out of fuel. Check to make sure
the fuel-filler cap is installed and closed tightly,
and that the vehicle has at least 3 gallons (11.4
liters) of fuel in the fuel tank.
After a few driving trips, the
light should
turn off if no other potential emission control
system malfunction exists.
If this indicator light comes on steady for 20
seconds and then blinks for 10 seconds when
the engine is not running, it indicates that thevehicle is not ready for an emission control sys-
tem inspection/maintenance test. See “Readi-
ness for inspection/maintenance (I/M) test” in the
“Technical and consumer information” section of
this manual.
Operation
The malfunction indicator light will come on in
one of two ways:
cMalfunction indicator light on steady — An
emission control system malfunction has
been detected. Check the fuel-filler cap. If
the fuel-filler cap is loose or missing, tighten
or install the cap and continue to drive the
vehicle. The
light should turn off after
a few driving trips. If thelight does not
turn off after a few driving trips, have the
vehicle inspected by a NISSAN dealer. You
do not need to have your vehicle towed to
the dealer.
cMalfunction indicator light blinking — An en-
gine misfire has been detected which may
damage the emission control system. To re-
duce or avoid emission control system dam-
age:
– do not drive at speeds above 45 MPH
(72 km/h) .
– avoid hard acceleration or deceleration.
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Both lights flash when the hazard switch is turned
on.
Vehicle dynamic control off
indicator light (if so equipped)
This indicator light comes on when the vehicle
dynamic control off switch is pushed to OFF, the
transfer case is in the 4LO position (
model) , or when the vehicle dynamic control sys-
tem is not functioning properly. This indicates the
vehicle dynamic control system is not operating.
Push the vehicle dynamic control off switch again
or restart the engine and the system will operate
normally. See “Vehicle dynamic control (VDC)
system” in the “Starting and driving” section of
this manual.
The vehicle dynamic control light also comes on
when you turn the ignition key to the ON position.
The light will turn off after about 2 seconds if the
system is operational. If the light stays on or
comes on along with the SLIP indicator light
while you are driving, have the vehicle dynamic
control system checked by a NISSAN dealer.
While the vehicle dynamic control system is op-
erating, you might feel slight vibration or hear the
system working when starting the vehicle or ac-
celerating, but this is normal.The VDC system will be disabled and the VDC
light will illuminate when the electronic locking
rear differential (E-lock) system switch (if so
equipped) is turned on and the E-lock system is
engaged. If the E-lock system disengages or the
switch is turned off, the VDC system will be
enabled and the VDC light will turn off.AUDIBLE REMINDERS
Brake pad wear warning
The disc brake pads have audible wear warnings.
When a disc brake pad requires replacement, it
makes a high pitched scraping sound when the
vehicle is in motion, whether or not the brake
pedal is depressed. Have the brakes checked as
soon as possible if the warning sound is heard.
Key reminder chime
A chime sounds if the driver’s door is opened
while the key is left in the ignition switch. Remove
the key and take it with you when leaving the
vehicle.
Light reminder chime
With the ignition switch in the OFF position, a
chime sounds when the driver’s door is opened if
the headlights or parking lights are on.
Turn the headlight control switch off before leav-
ing the vehicle.Your vehicle may have two types of security sys-
tems:
cVehicle security system (if so equipped)
cNISSAN Vehicle Immobilizer System (if so
equipped)
VEHICLE SECURITY SYSTEM
The vehicle security system provides visual and
audible alarm signals if someone opens the doors
when the system is armed. It is not, however, a
motion detection type system that activates when
a vehicle is moved or when a vibration occurs.
The system helps deter vehicle theft but cannot
prevent it, nor can it prevent the theft of interior or
LIC0644
SECURITY SYSTEMS (if so equipped)
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To sound the horn, push the center pad area of
the steering wheel.
WARNING
Do not disassemble the horn. Doing so
could affect proper operation of the
supplemental front air bag system. Tam-
pering with the supplemental front air bag
system may result in serious personal
injury.The front seats are warmed by built-in heaters (if
so equipped) .
1. Start the engine.
2. Push the(low) or(high) posi-
tion of the switch, as desired, depending on
the temperature. The indicator light in the
switch will illuminate.
The heater is controlled by a thermostat,
automatically turning the heater on and off.
The indicator light will remain on as long as
the switch is on.
3.
When the seat is warmed or before you leave
the vehicle, be sure to turn the switch off.
CAUTION
cDo not use the seat heater for extended
periods or when no one is using the
seat.
cDo not put anything on the seat which
insulates heat, such as a blanket, cush-
ion, seat cover, etc. Otherwise, the seat
may become overheated.
cDo not place anything hard or heavy on
the seat or pierce it with a pin or similar
object. This may result in damage to the
heater.
cAny liquid spilled on the heated seat
should be removed immediately with a
dry cloth.
cWhen cleaning the seat, never use
gasoline, benzine, thinner, or any simi-
lar materials.
cIf any abnormalities are found or the
heated seat does not operate, turn the
switch off and have the system checked
by your NISSAN dealer.
cThe battery could run down if the seat
heater is operated while the engine is
not running.
LIC0604LIC0690
HORN HEATED SEAT (if so equipped)
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cUse the E-Lock system only when free-
ing a stuck vehicle. Try the 4LO position
before using the E-Lock system. Never
use the E-Lock system on a slippery
road surface such as snow or ice sur-
face. Using the E-Lock system when
driving in these road conditions may
cause unexpected movement of the ve-
hicle during engine braking, accelerat-
ing or turning, which may result in an
accident and serious personal injury.
CAUTION
cAfter using the E-Lock system, turn the
switch OFF to prevent possible damage
to driveline components from extended
use.
cDo not drive over 12 MPH (20 km/h)
when the system is engaged. Doing so
could result in possible damage to the
driveline.
cDo not turn on the E-lock system while
the tires are spinning. Doing so could
damage drivetrain components.
WARNING
The rear sonar system is a convenience
but it is not a substitute for proper back-
ing. Always turn and check that it is safe to
do so before backing up. Always back up
slowly.
The rear sonar system is active when the ignition
is in the ON position and the shift selector lever is
in R (Reverse) .
When sensors detect obstacles within 6 ft (1.8
m) of the rear bumper, a beeping tone is emitted.The rear sonar system can be disabled by push-
ing the OFF switch. When the system is disabled,
the indicator light on the switch will illuminate.
Push the switch again to enable the system. The
indicator light will go off.
The system will automatically reset the next time
the ignition switch is turned on.
See “Rear sonar system” in the “Starting and
driving” section.
LIC0471
REAR SONAR SYSTEM OFF SWITCH
(if so equipped)
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