2008 TOYOTA SEQUOIA light

456 4-3. Do-it-yourself maintenance
Push and hold the tire pressure
warning reset switch until the tire
pressure warning light blinks
slowly three times.
Wait for several minutes with the engine switch on, and then
turn the engine switch to the ACC or LOCK position.
Registering ID codes
The tire pressure warning valve and transmitter is equipped with a
unique ID code. When replacing a tire pressure warning valve and
transmitter, it is necessary to regi ster the ID code of tire pressure
warning valve and transmitter. Have the ID code registered by your
Toyota dealer.
■When to replace your vehicle’s tires
Tires should by replaced if:
●You have tire damage such as cuts, splits, cracks deep enough to
expose the fabric or bulges indicating internal damage
●A tire goes flat repeatedly or c annot be properly repaired due to the
size or location of a cut or other damage
If you are not sure, consult with your Toyota dealer.

457
4-3. Do-it-yourself maintenance
4
Maintenance and care
■Replacing tires and wheels
If the ID code of the tire pressure warning valve and transmitter is not
registered, the tire pre
ssure warning system will not work properly. After
driving for about 20 minutes, the ti re pressure warning light comes on
after blinking for 1 minute to indicate a system malfunction.
■Tire life
Any tire over 6 years old must be checked by a qualified technician even
if they have seldom or never been used or damage is not obvious.
■If the tread wears down below 0.16 in. (4 mm) on snow tires
The effectiveness of snow tires is lost.
■Low profile tires
Generally, low profile tires will wear more rapidly and tire grip perfor-
mance will be reduced on snowy and/or icy roads when compared to
standard tires. Be sure to use snow tires or snow chains on snowy and/
or icy roads and drive carefully at a speed appropriate for road and
weather conditions.
■Maximum load of tire
Check that the maximum load of the re placed tire is greater than 1/2 of
the Gross Axle Weight Ratings (GAWR) of either the front axle or the
rear axle, whichever is greater.
As for the maximum load of the tire, see the load limit at maximum cold
tire inflation pressure mentioned on the sidewall of the tire, and as for the
Gross Axle Weight Ratings (GAWR) , see the Certification Label.
(  P. 461, 558).
■Tire types
1 Summer tires
Summer tires are high-speed performance tires best suited to highway
driving under dry conditions. Since summer tires do not have the same
traction performance as snow tire s, summer tires are inadequate for
driving on snow-covered or icy roads. For driving on snow-covered
roads or icy roads, the use of snow tires is recommended. When
installing snow tires, be sure to replace all four tires.

458 4-3. Do-it-yourself maintenance
2 All season tiresAll season tires are designed to provide better traction in snow and to
be adequate for driving in most winter conditions, as well as for use
year round. All season tires, however, do not have adequate traction
performance compared with snow tires in heavy or loose snow. Also,
all season tires fall short in acceleration and handling performance
compared with summer tires in highway driving.
3Snow tires For driving on snow-covered roads or icy roads, we recommend using
snow tires. If you need snow tires, select tires of the same size, con-
struction and load capacity as the or iginally installed tires. Since your
vehicle has radial tires as original equipment, make sure your snow
tires also have radial construction. Do not install studded tires without
first checking local regulations for possible restriction. Snow tires
should be installed on all wheels. ( P. 229)
■Initializing the tire pr essure warning system
Initialize the tires with the tire inflati on pressure adjusted to the specified
level.
■If you push the tire pressure warning reset switch accidentally
If initialization is performed, adjust the tire in flation pressure to the speci-
fied level and initialize the tire pressure warning system again.
■When the initialization of the tire pressure warning system has
failed
Initialization can be completed in se veral minutes. However, in the fol-
lowing cases, the settings have not been recorded and the system will
not operate properly. If repeated attempts to record tire inflation pressure
settings are unsuccessful, have the vehicle inspected by your Toyota
dealer.
●When operating the tire pressure warning reset switch, the tire pres-
sure warning light does not flash 3 times.
●After carrying out the initialization procedure, the tire pressure warn-
ing light blinks for 1 minute and then stays on after driving for about
20 minutes.

460 4-3. Do-it-yourself maintenance
CAUTION
■When inspecting or replacing tires
Observe the following precautions to prevent accidents. Failure to do so
may cause damage to parts of the drive train, as well as dangerous han-
dling characteristics, which may le ad to fatal or injury accidents.
●Do not mix tires of different makes, models, tread patterns or tread-
wear.
●Do not use tire sizes other than those recommended by Toyota.
●Do not mix radial, bias-belted, or bias-ply tires.
●Do not mix summer, all season and winter tires.
■When initializing the tire pressure warning system
Do not push the tire pressure warnin g reset switch without first adjusting
the tire inflation pressure to the spec ified level. Otherwise, the tire pres-
sure warning light may not come on ev en if the tire inflation pressure is
low, or it may come on when the tire inflation pressure is actually normal.
NOTICE
■Repairing or replacing tires, wheels and tire pressure warning
valves and transmitters
When removing or fitting the wheels, tires or the tire pressure warning
valve and transmitter, contact your Toyota dealer as the tire pressure
warning valve and transmitter may be damaged if not handled correctly.
■To avoid damaging the tire pressure warning valves and transmit-
ters
Do not use liquid sealants on flat tires.

475
4-3. Do-it-yourself maintenance
4
Maintenance and care
Fuse layout and amperage ratings
■ Engine compartment
FuseAmpereCircuit
1 A/F 15 A Multiport fuel injection system/
sequential multiport fuel injection
system
2 HORN 10 A Horn
3 EFI NO.1 25 A Multiport fuel injection system/
sequential multiport fuel injection
system
4 IG2 MAIN 30 A INJ, MET, IGN fuses
5 L2 RR2 SEAT 30 A Power third seat
6 L1 RR2 SEAT 30 A Power third seat
7 CDS FAN 25 A Electric cooling fans
8 DEICER 20 A Windshield wiper de-icer
9 TOW TAIL 30 A Trailer lights (tail lights)
10 R2 RR2 SEAT 30 A Power third seat 11 R1 RR2 SEAT 30 A Power third seat
12 POWER NO.4 25 A Power windows

476 4-3. Do-it-yourself maintenance
13 FOG15 A Front fog lights
14 STOP 15 AStop lights, high mounted stop-
light, vehicle stability control sys-
tem, anti-lock brake system, shift
lock system, multiport fuel injection
system/sequential multiport fuel
injection system, towing converter
15 TOW BRK 30 A Trailer brake controller
16 IMB 7.5 A Engine immobilizer system
17 AM2 7.5 A Starting system
18 TOWING 30 A Towing converter
19 ALT-S 5 A Charging system
20 TURN-HAZ 15 A Turn signal lights, emergency
flashers, towing converter
21 F/PMP 15 A No circuit
22 ETCS 10 AMultiport fuel injection system/
sequential multiport fuel injection
system, electric throttle control sys-
tem
23 MET-B 5 A Gauges and meters
24 AMP 30 AAudio system, rear view monitor,
navigation system, rear seat enter-
tainment system
25 RAD NO.1 15 A Audio system, rear view monitor,
navigation system, rear seat enter-
tainment system
26 ECU-B1 7.5 AMultiplex communication system,
Multiport fuel injection system/
sequential multiport fuel injection
system, auto anti-glare inside rear
view mirror, power outlets, power
front driver’s seat, power tilt and
power telescopic, power back door
FuseAmpereCircuit

477
4-3. Do-it-yourself maintenance
4
Maintenance and care
27 DOME
7.5 AInterior lights, personal lights, van-
ity lights, engine switch light, foot
light, door courtesy lights, acces-
sory meter, power back door,
power third seat
28 HEAD LH 15 ALeft-hand headlight
(high beam)
29 HEAD LL 15 ALeft-hand headlight
(low beam)
30 INJ 10 AMultiport fuel injection system/
sequential multiport fuel injection
system, ignition system
31 MET 7.5 A Gauges and meters
32 IGN 10 ASRS airbag system, multiport fuel
injection system/sequential multi-
port fuel injection system, engine
immobilizer system, cruise control
system
33 HEAD RH 15 ARight-hand headlight
(high beam)
34 HEAD RL 15 ARight-hand headlight
(low beam)
35 EFI NO.2 10 AMultiport fuel injection system/
sequential multiport fuel injection
system, leak detection pump
36 DEF I/UP 5 A No circuit
37 AIR SUS NO.2 7.5 A Electronically modulated air sus-
pension system
38 SPARE 5 A Spare fuse
39 SPARE 15 A Spare fuse
40 SPARE 30 A Spare fuse
41 AIR SUS 50 AElectronically modulated air sus-
pension system
FuseAmpereCircuit

478 4-3. Do-it-yourself maintenance
*: Replace the fuse with one of the same ampere rating as the original.
42 PBD 30 A Power back door
43 RR HTR 40 A Air conditioning system
44 H-LP CLN 30 A Headlight cleaner
45 DEFOG 40 A Rear window defogger
46 SUB BATT 40 A Trailer towing
47 ABS1 50 A
Anti-lock brake system, vehicle sta-
bility control system
48 ABS2 40 A Anti-lock brake system, vehicle sta-
bility control system
49 ST 30 A Starting system
50 HTR 50 A Air conditioning system
51 LH-J/B 150 A AM1, TAIL, PANEL, ACC, CIG, LH-
IG, 4WD, ECU-IG NO.1, BK/UP LP,
SEAT-HTR, A/C IG, ECU-IG NO.2,
WSH, WIPER, OBD, A/C, TI&TE,
FR P/SEAT RH, MIR, DR/LCK, FR
P/SEAT LH, CARGO LP, PWR
OUTLET, POWER NO.1 fuses
52 ALT 180 A
*LH-J/B, HTR, SUB BATT, TOW
BRK, STOP, FOG, TOW TAIL,
DEICER fuses
140 A
*
53 A/PUMP NO.1 50 A Multiport fuel injection system/
sequential multiport fuel injection
system
54 A/PUMP NO.2 50 A Multiport fuel injection
system/sequential multiport fuel
injection system
55 MAIN 40 A HEAD LL, HEAD RL,
HEAD LH, HEAD RH fuses
FuseAmpereCircuit