2008 TOYOTA HIGHLANDER sensor

447
4-3. Do-it-yourself maintenance
4
Maintenance and care
Wheels
■When replacing wheels
The wheels of your Toyota are equipped with sensors that allow the tire
pressure warning system sensors to provide advanced warning in the
event of a loss in tire inflation pressure. Whenever wheels are replaced,
the tire pressure warning valve & transmitter must be switched over from
the old wheels. (P. 435)
If a wheel is bent, cracked or heavily corroded, it should be
replaced.
Otherwise, the tire may separate from the wheel or cause loss of
handling control.
■ Wheel selection
When replacing wheels, care should be taken to ensure that
they are equivalent to those removed in load capacity, diameter,
rim width, and offset.
Replacement wheels are available at your Toyota dealer.
Toyota does not recommend using:
●Wheels of different sizes or types
● Used wheels
● Bent wheels that have been straightened
■ Aluminum wheel precautions
●Use only Toyota wheel nuts and wrenches designed for use
with your aluminum wheels.
● When rotating, repairing or changing your tires, check that the
wheel nuts are still tight after driving 1000 miles (1600 km).
● Be careful not to damage the aluminum wheels when using
tire chains.
● Use only Toyota genuine balance weights or equivalent and a
plastic or rubber hammer when balancing your wheels.

460 4-3. Do-it-yourself maintenance
26 RADIO115 A Audio system
27 ECU-B 10 ASteering sensor, gauges and
meters, clock, air conditioning sys-
tem, main body ECU, wireless
remote control, smart key system,
power back door, on-board diagno-
sis system
28 DOME 10 AVanity lights, personal lights, inte-
rior light, gauges and meters,
engine switch light, door courtesy
lights, power back door
29 AMP 15 A Audio system
30 TOWING 30 A Trailer lights
31 IG2 25 A INJ NO.1, INJ NO.2
32 STR LOCK 20 A Steering lock system
33 EFI MAIN 25 A EFI NO.2, EFI NO.3
34 HAZ 15 A Turn signal lights
35 G/H 10 APower door lock system, multiplex
communication system
36 ALT-S 7.5 A Charging system
37 AM2 7.5 A Multiplex communication system
38 H-LP LH 15 A Left-hand headlight (high beam)
39 H-LP RH 15 A Right-hand headlight (high beam)
40 H-LP LL 15 A Left-hand headlight (low beam)
41 H-LP RL 15 A Right-hand headlight (low beam)
42 HORN 10 A Horn
43 EFI NO.1 10 AMultiport fuel injection system/
sequential multiport fuel injection
system, smart key system
FuseAmpereCircuit

461
4-3. Do-it-yourself maintenance
4
Maintenance and care
Type B (if equipped)
44 ETCS
10 AMultiport fuel injection system/
sequential multiport fuel injection
system, electronic throttle control
system
45 A/F 20 A Air fuel ratio sensor
46 S-HORN 7.5 A Horn
FuseAmpereCircuit
1 INV-W/P 15 A No circuit
2 IGCT NO.2 7.5 A No circuit
3 A/C-D 10 A No circuit
FuseAmpereCircuit

5
When trouble arises
487
5-1. Essential information
Event data recorder
In a crash or a near car crash eventThe SRS airbag sensor assembly contains the EDR. In a crash or a
near car crash event, this device may record some or all of the follow-
ing information:
● Engine speed
● Whether the brake pedal was depressed or not
● Vehicle speed
● To what extent the accelerator pedal was depressed
● Position of the transmission shift lever
● Whether the driver and front passenger wore seat belts or not
● Driver's seat position
● SRS airbag deployment data
● SRS airbag system diagnostic data
If your vehicles is equipped with a vehicle stability control (VSC) system
The VSC Electronic Control Unit (ECU) may contain another EDR. In
case the VSC or Brake Assist syst em is activated, or the lateral
acceleration is beyond a certain value, this device may record some
or all of the following information:
● Behavior of the vehicle
Your vehicle has computers that monitor and control certain aspects
of your vehicle. These computers assi st in driving and maintaining
optimal vehicle performance.
Besides storing data useful for tr oubleshooting, there is an event
data recorder (EDR) that records data in a crash or a near car
crash event.

494 5-2. Steps to take in an emergency
*1: Open door warning buzzer:The open door warning buzzer sounds to alert one or more of the doors is
not fully closed (with the vehicle having reached a speed of 3 mph [5 km/h]).
*2: Driver's and front passenger’s seat belt reminders:
The driver’s and front passenger’s seat belt reminders sound to alert the
driver and front passenger that his or her seat belt is not fastened. These
buzzers sound for 10 seconds after the vehicle has reached a speed of at
least 12 mph (20 km/h). Then, if the seat belt is still unfastened, the buzzer
will sound in a different tone for 20 more seconds.
*3: Vehicles without navigation system
*4: Vehicles with navigation system
■ Key reminder buzzer (vehic les without smart key system)
The buzzer indicates that the key has not been removed with the engine off
and the driver’s door opened.
■ Open moon roof reminder buzzer (vehicles with mult i-information dis-
play)
The buzzer indicates that the moon roof is not fully closed with the engine off
and the driver’s door opened.
■ Front passenger detect ion sensor and passenger seat belt reminder
● If luggage is placed on the front passenger seat, the front passenger
detection sensor may cause the warning light to flash, even if a passen-
ger is not sitting in the seat.
● If a cushion is placed on the seat, the sensor may not detect a passen-
ger, and the warning light may not operate properly.
■ Engine oil replacement re minder light (U.S.A. vehicles without multi-
information display)
The engine oil replacement reminder light will come on and flash at approxi-
mately 4500 miles (7200 km) after an oil change. When the distance driven
after an oil change exceeds approximately 5000 miles (8000 km), the light
will come on and remain on.
■ Changing the engine oil (U.S.A. only)
Make sure to reset the oil change system. ( P. 424)

555
6-2. Customization
6
Vehicle specifications
Wireless
remote con-
trol
(
P. 5 3 )
Wireless remote control ON OFF
Unlocking operation
Driver's door
unlocked in one step, all doors
unlocked in two steps All doors
unlocked in one step
Automatic door lock
function to be activated
if door is not opened
after being unlocked ON OFF
Time elapsed before
automatic door lock
function is activated if
door is not opened after
being unlocked 60 seconds
30 seconds
120 seconds
Operation signal
(Emergency flashers) ON OFF
Door lock buzzer ON OFF
Operation signal
(Buzzer) ON OFF
Panic function ON OFF
Glass hatch opening
operation Push and holdPush twice
One short push
Automatic
light control
system
( P. 192) Light sensor sensitivity Level 3 Level 1 to 5
Time elapsed before
headlights automati-
cally turn off after doors
are closed
30 seconds0 second
60 seconds
90 seconds
Lights
(
P. 192) Daytime running light
system (U.S.A. only)
ON OFF
ItemFunctionDefault settingCustomized
setting

557
6
Vehicle specifications
6-3. Initialization
Items to initialize
ItemWhen to initializeReference
Power back door • After reconnecting or changing the
battery
• After changing a fuse P. 6 8
Tire pressure warning
system • When tire pressure sensors are
replaced
• When driving with the tires inflated to a higher than standard tire pres-
sure P. 433
The following items must be initia
lized for normal system operation
in cases such as after the battery is reconnected, or maintenance is
performed on the vehicle.