2008 TOYOTA TUNDRA check engine light

24
2008 TUNDRA from Apr. ’08 Prod. (OM 34477U)
To lock and unlock all doors, push the
switches of the transmitter slowly and
securely.
To lock: Push the “
” (lock) switch. All
the doors are locked simultaneously. At
this time one beep will be heard, and the
turn signal lights flash once.
Check to see that all the doors are se-
curely locked after locking.
If any of the doors is not securely closed,
locking cannot be performed by the “
”
(lock) switch and a beep will sound con-
tinuously for 10 seconds. However, if the
key is in the engine switch, a beep will
not sound.
To stop the beep, close all the doors se-
curely or push the “
” (unlock) switch.
The beep and flashing turn signal lights
can be disabled. If your vehicle is
equipped with the multi −information display
(For further information, see
“Multi −information display” on page 187 in
Section 1 −6.), these can be changed by
yourself. For details, contact your Toyota
dealer. To unlock: Push the “
” (unlock) switch
once to unlock the driver ’s door alone.
Pushing the switch twice within 3 seconds
unlocks all the doors simultaneously. Each
time the “
” (unlock) switch is pushed,
two beeps will be heard, and the turn
signal lights flash twice.
This double switch operation to unlock all
the doors can be changed to a single
switch operation. If your vehicle is
equipped with the multi −information display
(For further information, see
“Multi −information display” on page 187 in
Section 1 −6.), it can be changed by
yourself. For details, contact your Toyota
dealer.
When you unlock all the doors using the
wireless remote control, the Illuminated
entry system, interior lights, personal
lights and cargo lamp will be activated.
(For further information, see “Interior
lights” on page 170, “Personal lights” on
page 171, “Illuminated entry system” on
page 173 and “Cargo lamp” on page 174
in Section 1− 5.)
You have 60 seconds to open a door after
using the wireless remote unlock feature.
If a door is not opened by then, all the
doors will be automatically locked again. The time for automatic door lock function
can be changed. If your vehicle is
equipped with the multi
−information display
(For further information, see
“Multi −information display” on page 187 in
Section 1 −6.), it can be changed by
yourself. For details, contact your Toyota
dealer.
If the “
” (lock) or “” (unlock) switch
is kept pressed in, the locking the unlock-
ing operation is not repeated. Release the
switch and then push again.

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2008 TUNDRA from Apr. ’08 Prod. (OM 34477U)
Reactivating the alarm
Once set, the system automatically resets
the alarm after the alarm stops.
The alarm will activate again under the
same circumstances described in
“Activating the system”.
Stopping the alarm
The alarm will be stopped by the following
two ways:
Turn the engine switch from the
“LOCK” to “ON” position.
Unlock any of the doors with the key
or wireless remote control transmitter.
These ways cancel the system at the
same time. TESTING THE SYSTEM
1. Open all the windows.
2. Set the system as described above. The side doors should be locked with
the key or wireless remote control
transmitter. Be sure to wait until the
indicator light goes off or starts flash-
ing.
3. Unlock any door from the inside. The system s hould activate the alarm.
4. Stop the alarm as described above.
5. Repeat this operation for the other doors and hood. When testing the
hood, also check that the system is
activated when the battery terminal is
disconnected and then reconnected.
If the system does not work properly,
have it checked by your Toyota dealer.
XS12038c
This indicates that the fuel filler door
is on the left side of your vehicle.
Fuel tank cap

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2008 TUNDRA from Apr. ’08 Prod. (OM 34477U)
(a) Brake System Warning Light and
buzzer
This light comes on in the following cases
when the engine switch is in the “ON”
position.
When the parking brake is applied...
This light comes on for a few seconds
when the engine switch is turned to the
“ON” position even after the parking brake
is released.
When the brake fluid level is low...
CAUTION
It is dangerous to continue driving
normally when the brake fluid level is
low.
Have your vehicle checked at your
Toyota dealer in the following case:
The light does not come on even if the
parking brake is applied when the engi-
ne switch is in the “ON” position.
The light does not come on even if the
engine switch is turned on with the
parking brake released.
A warning light turning on briefly during
operation does not indicate a problem.
CAUTION
If either of the following conditions
occurs, immediately stop your vehicle
at a safe place and contact your
Toyota dealer.
The light does not turn off even
after the parking brake is released
while the engine is running.
In this case, the brakes may not
work properly and your stopping
distance will become longer. De-
press the brake pedal firmly and
bring the vehicle to an immediate
stop.
The brake system warning light re-
mains on together with the “ABS”
warning light.
In this case, not only the antilock
brake system will fail but also the
vehicle will become extremely un-
stable during braking.
(b) Driver’s Seat Belt Reminder Light and Buzzer
The light and buzzer act as a reminder to
buckle up the driver’s seat belt.
Once the engine switch is turned to “ON”
or “START”, the reminder light flashes and
buzzer sounds if the driver ’s seat belt is
not fastened. Unless the driver fastens the
belt, the light continues flashing and the
buzzer stops after about 4 to 8 seconds.
If the vehicle speed rises above 20 km/h
(12 mph) with the seat belt unfastened,
the buzzer will sound for about 10 sec-
onds. Then, if the seat belt is still unfas-
tened, the buzzer will sound in a different
tone for 20 seconds. Even if the vehicle
speed drops below 20 km/h (12 mph), the
buzzer will continue to sound. To stop the
buzzer, fasten the seat belt. If the buzzer
still sounds, make sure the front passen-
ger ’s seat belt is fastened.

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2008 TUNDRA from Apr. ’08 Prod. (OM 34477U)
(c) Front Passenger ’s Seat Belt Re-
minder Light and Buzzer
The light and buzzer act as a reminder to
have the front passenger buckle up the
seat belt.
Once the engine switch is turned to the
“ON” position, the reminder light flashes if
a passenger sits in the right front passen-
ger seat and does not fasten the seat
belt.
If the vehicle speed rises above 20 km/h
(12 mph) with the seat belt unfastened,
the buzzer will sound for 10 seconds.
Then, if the seat belt is still unfastened,
the buzzer will sound in a different tone
for 20 seconds. Even if the vehicle speed
drops below 20 km/h (12 mph), the buzzer
will continue to sound. To stop the buzzer,
fasten the seat belt. If the buzzer still
sounds, make sure the driver ’s seat belt
is fastened.
The buzzer can be disabled. For details,
contact your Toyota dealer.
If luggage or other load is placed on the
front passenger seat, depending on its
weight, the reminder light to flash and
buzzer to sounds. (d) Charging System Warning Light
This warning light comes on when the
engine switch is turned to the “ON” posi-
tion, and goes off when the engine is
started.
When there are problems in the charging
system while the engine is r
unning, the
warning light comes on.
NOTICE
When the charging system warning
light comes on while the engine is
running, malfunctions such as the en-
gine drive belt being broken may have
occurred. If the warning light comes
on, immediately stop the vehicle in a
safe place and contact your Toyota
dealer.
(e) Low Engine Oil Pressure Warning Light (without oil pressure gauge)
This light warns that the engine oil pres-
sure is too low.
If it flickers or stays on while you are
driving, pull off the road to a safe place
and stop the engine immediately. Call a
Toyota dealer or qualified repair shop for
assistance.
The light may occasionally flicker when
the engine is idling or it may come on
briefly after a hard stop. There is no
cause for concern if it then goes out when
the engine is accelerated slightly.
The light may come on when the oil level
is extremely low. It is not designed to
indicate low oil level, and the oil level
must be checked using the level dipstick.
NOTICE
Do not drive the vehicle with the
warning light on—even for one block.
It may ruin the engine.

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2008 TUNDRA from Apr. ’08 Prod. (OM 34477U)
(f) Malfunction Indicator Lamp
This lamp comes on when the engine
switch is turned to the “ON” position
and goes off after the engine starts.
This means that the warning light sys-
tem is operating properly.
If the lamp remains on, or the lamp
comes on while driving, first check the
followings.
Empty fuel tank
If the fuel tank is empty, refuel immedi-
ately.
Loose fuel tank cap
If the fuel tank cap is loose, securely
tighten it.
These cases are temporary malfunctions.
The malfunction indicator lamp will go off
after taking several driving trips.
If the lamp does not go off even after
several trips, contact your Toyota dealer
as soon as possible.
If the fuel tank is not empty or the fuel
tank cap is not loose...
There is a problem somewhere in the
engine, emission control system, elec-
tronic throttle control system, automatic
transmission electrical system or warn-
ing light system itself. Contact your Toyota dealer as soon as
possible to service the vehicle.
If engine speed does not increase when
the accelerator pedal is depressed, there
may be a problem somewhere in the elec-
tronic throttle control system.
At this time, vibration may occur. Howev-
er, if you depress the accelerator pedal
more firmly and slowly, you can drive your
vehicle at low speeds. Have your vehicle
checked by your Toyota dealer as soon as
possible.
Even if the abnormality of the electronic
throttle control system is corrected during
low speed driving, the system may not be
recovered until the engine is stopped and
the engine switch is turned to the “ACC”
or “LOCK” position.
CAUTION
Be especially careful to prevent erro-
neous pedal operation.
Emissions Inspection and Maintenance
(I/M) programs
Your vehicle may not pass a state
emission inspection if the malfunction
indicator lamp remains on. Contact your
Toyota dealer to check your vehicle’s
emission control system and OBD
(On
−Board Diagnostics) system before
taking your vehicle for the inspection.
For details, see “Emissions Inspection and
Maintenance (I/M) programs” in Section 6.
(g) Engine Oil Replacement Reminder Light (for vehicles sold in U.S.A.)
This light acts as a reminder to replace
the engine oil.
This light will come on when the engine
switch is turned to the “ON” position and
will go off after about a few seconds.
When you drive for about 7200 km (4500
miles) after the engine oil replacement,
this light illuminates for about 3 seconds
and then flashes for about 12 seconds
with the engine switch turned to the “ON”
position. If you continue driving without
replacing the engine oil, and if the
distance driven exceeds 8000 km (5000
miles), the light will come on after the
engine switch is turned to “ON” position.
The light will remain on thereafter.

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2008 TUNDRA from Apr. ’08 Prod. (OM 34477U)
If the light comes on, stop your vehicle in
a safe place as soon as possible and
check that the tire inflation pressure of all
four tires is as specified on the tire and
loading information label. (See “Checking
tire inflation pressure” on page 553 in
Section 7−2.) The light should go off
several minutes after the tire inflation
pressure is adjusted.
If the warning light comes on after blink-
ing for 1 minute, the tire pressure warning
system may be malfunctioning. Contact
your Toyota dealer.
For details, see “Tire pressure warning
system” on page 254 in Section 1 −7.
(n) Automatic Transmission Fluid Tem- perature Warning Light
This light warns that the automatic trans-
mission fluid temperature is too high.
If this light comes on while you are driv-
ing, slow down and pull off the road. Stop
the vehicle at a safe place and put the
selector lever in “P”. With the engine id-
ling, wait until the light goes off. If the
light goes off, you may start the vehicle
again. If the light does not go off, call a
Toyota dealer or qualified repair shop for
assistance.NOTICE
Continued driving with the warning
light on may damage the automatic
transmission.
(o) Master Warning Light
If the master warning light comes on, a
message appears on the multi −information
display. Depending on the conditions a
warning tone may sound. (See “—Warning
messages” on page 193 in this Section for
instructions.)
(p) Low Windshield Washer Fluid Level Warning Light
The light warns that the windshield washer
fluid level is too low. Add washer fluid at
your earliest opportunity. (For instructions,
see “Adding washer fluid” on page 567 in
Section 7 −3.)
The light will come on when the engine
switch is turned to the “ON” position and
will go off after a few seconds.
(q) Key Reminder Buzzer
This buzzer acts as a reminder to remove
the key when you open the driver’s door
with the engine switch in the “ACC” or
“LOCK” position. (r) Parking Brake Reminder Buzzer
The buzzer acts once when the parking
brake is not completely released at the
vehicle speed of 5 km/h (3 mph) or more.
Stop the vehicle and release the parking
brake fully.
(s) Fourwheel Drive System Warning
Buzzer (fourwheel drive models)
This buzzer reminds you that the transfer
mode is not selected correctly.
If the buzzer sounds when you shift the
transfer from “2WD” to “4H”, “4H” to
“2WD”, “4L” to “4H”, “4H” to “4L”, or “4L”
to “2WD” mode, follow the instructions in
“Four −wheel drive system” on page 240 in
Section 1 −7.
(t) Open Moon Roof Reminder Buzzer
This buzzer acts as a reminder to close
the moon roof when you turn the engine
switch off and open the driver ’s door.

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2008 TUNDRA from Apr. ’08 Prod. (OM 34477U)
CHECKING SERVICE REMINDER
INDICATORS (except the low fuel level
warning light)
Vehicles without multi−information dis-
play—
1. Apply the parking brake.
2. Open one of the doors. The open door warning light should
come on.
3. Close the door. The open door warning light should go
off.
4. Turn the engine switch to the “ON” position, but do not start the engine.
All the service reminder indicators ex-
cept the open door warning light should
come on.
The following service reminder indica-
tors go off after a few seconds:
Engine oil replacement reminder light
“ABS” warning light
“RSCA OFF” indicator light
“VSC OFF” indicator light
“AUTO LSD” indicator light
Tire pressure warning light
Slip indicator light
Low windshield washer fluid level warn-
ing light
The SRS warning light goes off after
about 6 seconds.
Vehicles with multi −information display—
1. Apply the parking brake.
2. Open one of the doors. The open door warning light should
come on.
3. Close the door. The open door warning light should go
off.
4. Turn the engine switch to the “ON” position, but do not start the engine.
All the service reminder indicators ex-
cept the open door warning light should
come on.
The following service reminder indica-
tors go off after a few seconds:
“ABS” warning light
“RSCA OFF” indicator light
“VSC OFF” indicator light
“AUTO LSD” indicator light
Tire pressure warning light
Slip indicator light
The SRS warning light goes off after
about 6 seconds. If any service reminder indicator or warn-
ing buzzer does not function as described
above, have it checked by your Toyota
dealer as soon as possible.

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2008 TUNDRA from Apr. ’08 Prod. (OM 34477U)
When the “S” mode indicator light does
not come on even with the selector lever
moved to the “S” position, there may be a
problem somewhere in the system. Have
your vehicle checked/repaired by your
Toyota dealer as soon as possible. In this
case, you can drive in the same condition
as in the “D” position.
(d) Using engine braking
To use engine braking, you can downshift
the transmission as follows:
When driving in the “D” position—
Shift the selector lever to “S” position.
When driving in the “5” range within
the “S” position—
Move the selector lever down to the
“− ” side to select the “4” range. The
transmission will downshift to fourth
range and engine braking will be en-
abled.
When the cruise control is being used,
engine braking can not be enabled be-
cause the cruise control is not can-
celled. However, engine braking will be
automatically enabled if the vehicle
speed is higher than the set speed of
the cruise control depending on the
driving conditions. For decreasing the vehicle speed, see
“Cruise control” on page 262 in this
Section.
Move the selector lever down to the
“
− ” side to select the “3” range. The
transmission will downshift to third
range when the vehicle speed drops
down to or lower than the following
speed, and stronger engine braking will
be enabled.
4.0 L V6 (1GR −FE) engine
136 km/h (84 mph)
. . . . . . . . . . . . . . .
4.7 L V8 (2UZ −FE) engine
Tw o −wheel drive models
—without towing package 138 km/h (85 mph)
. . . . . . . . . . . . . . .
—with towing package 132 km/h (82 mph)
. . . . . . . . . . . . . . .
Four −wheel drive models without tow-
ing package
—Front drive control switch knob
at “2WD” or “4H” 138 km/h (85 mph)
. . . . . . . . . . . . . . .
—Front drive control switch knob
at “4L” 52 km/h (32 mph)
. . . . . . . . . . . . . . . . Four
−wheel drive models with towing
package
—Front drive control switch knob
at “2WD” or “4H” 132 km/h (82 mph)
. . . . . . . . . . . . . . .
—Front drive control switch knob
at “4L” 50 km/h (31 mph)
. . . . . . . . . . . . . . . .
Move the selector lever down to the
“ − ” side to select the “2” range. The
transmission will downshift to second
range when the vehicle speed drops
down to or lower than the following
speed, and more powerful engine brak-
ing than that of the “3” range position
will be enabled.
4.0 L V6 (1GR −FE) engine
92 km/h (57 mph)
. . . . . . . . . . . . . . . .
4.7 L V8 (2UZ −FE) engine
Tw o −wheel drive models
—without towing package 93 km/h (57 mph)
. . . . . . . . . . . . . . . .
—with towing package 89 km/h (55 mph)
. . . . . . . . . . . . . . . .