Elect TOYOTA GT86 2017 1.G Service Manual

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4-3. Do-it-yourself maintenance
4
Maintenance and care
■Maximum load of tire
Check that the maximum load of the replacement tire is greater than 1/2
of the Gross Axle Weight Ratings (GAW
R) of either the front axle or the
rear axle, whichever is greater.
■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.
2 All season tires
All 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 installe d on all wheels. (→P. 200)
For the GAWR, see the Certification
Label. For the maximum load of the
tire, see the load limit at maximum cold
tire inflation pressure mentioned on the
sidewall of the tire. (→ P. 370)

274 4-3. Do-it-yourself maintenance
■Initializing the tire pressure warning system
Initialize the system with the tire infl ation pressure adjusted to the speci-
fied level.
■Routine tire inflation pressure checks
The tire pressure warning system doe s not replace routine tire inflation
pressure checks. Make sure to check tire inflation pressure as part of
your routine of daily vehicle checks.
■Tire pressure warning system certification
MODEL/FCC IDs:
Transmitter: PAXPMVC010
Receiver: HYQ23AAC
For vehicles sold in the U.S.A.
This device complies with part 15 of the FCC Rules. Operation is subject
to the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
FCC WARNING:
Changes or modifications not expre ssly approved by the party responsi-
ble for compliance could void the user's authority to operate the equip-
ment.
For vehicles sold in Canada
NOTE:
This device complies with Industry Canada’s licence-exempt RSSs. Opera-
tion is subject to the following two conditions: (1) This device may not cause
interference; and (2) This device must accept any interference, including
interference that may cause undesired operation of the device.
NOTE:
Le présent appareil est conforme aux CNR d’Industrie Canada applicables
aux appareils radio exempts de licence. L’exploitation est autorisée aux
deux conditions suivantes: (1) l’appareil ne doit pas produire de brouillage;
(2) l’utilisateur de l’appareil doit accept er tout brouillage radioélectrique subi,
même si le brouillage est susceptible d’en compromettre le fonctionnement.

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4-3. Do-it-yourself maintenance
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Maintenance and care
Wheels
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 remo ved in load capacity, diameter,
rim width, and inset
*.
Replacement wheels are available at your Toyota dealer.
*: Conventionally referred to as “offset”.
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 chang ing your tires, check that the
wheel nuts are still tight afte r 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.

288 4-3. Do-it-yourself maintenance
■Use a CR2016 lithium battery
●Batteries can be purchased at your Toyota dealer, local electrical appli-
ance shops or camera stores.
● Replace only with the same or equivalent type recommended by the
manufacturer.
● Dispose of used batteries according to local laws.
■ If the key battery is depleted
The following symptoms may occur:
●The wireless remote control will not function properly.
● The operational range will be reduced.
■ When putting the module back
WARNING
■Removed battery and other parts
These parts are small and if swallowed by a child, they can cause choking.
Keep away from children. Failure to do so could result in death or serious
injury.
Insert the module from directly above.
Inserting it on an angle may prevent the
key buttons from operating properly.

290
4-3. Do-it-yourself maintenance
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have
blown. If this happens, check and replace the fuses as necessary.
Turn the engine switch off.
Open the fuse box cover.
Engine compartment Push the tabs in and lift the lid
off.
Instrument panel Remove the lid.STEP 1
STEP 2

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Maintenance and care
Fuse layout and amperage ratings
■ Engine compartment
FuseAmpereCircuit
1MIR HTR 7.5 A Outside rear view mirror defoggers
2RDI 25 A Electric cooling fan
3(PUSH-AT) 7.5 A Engine control unit
4ABS NO. 1 40 A ABS
5HEATER 50 A Air conditioning system
6WASHER10 A Windshield washer
7WIPER30 A Windshield wipers
8RR DEF30 A Rear window defogger
9(RR FOG) 10 A⎯
10D FR DOOR 25 A Power window (driver’s side)
11(CDS)25 A Electric cooling fan
12D-OP 25 A⎯
13ABS NO. 2 25 A ABS
14D FL DOOR 25 A Power window (passenger’s side)
15SPARESee note. Spare fuse

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4-3. Do-it-yourself maintenance
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Maintenance and care
Note
One of each of the following spare fuses are provided: 7.5 A, 10 A, 15
A, 20 A, 25 A, 30 A.
37HORN NO. 2 7.5 A Horn
38HORN NO. 1 7.5 A Horn
39H-LP LH LO 15 A Left-hand headlight (low beam)
40H-LP RH LO 15 A Right-hand headlight (low beam)
41H-LP LH HI 10 A Left-hand headlight (high beam)
42H-LP RH HI 10 A Right-hand headlight (high beam)
43INJ
30 AMultiport fuel injection system/
sequential multiport fuel injection
system
44H-LP WASHER 30 A⎯
45AM2 NO. 1 40 A Starting system, engine control unit
46EPS
80 A Electric power steering
47A/B MAIN15 A SRS airbag system
48ECU-B7.5 AWireless remote control, main body
ECU
49DOME
20 A Interior light
50IG27.5 A Engine control unit
FuseAmpereCircuit

296 4-3. Do-it-yourself maintenance
■Instrument panel
FuseAmpereCircuit
1ECU ACC 10 AMain body ECU, outside rear view
mirrors
2P/POINT No.2 15 A Power outlet
3PANEL
10 A Illumination
4TAIL10 A Tail lights
5DRL10 A Daytime running light system
6STOP7.5 A Stop lights
7OBD7.5 A On-board diagnosis system
8HEATER-S 7.5 A Air conditioning system
9HEATER 10 A Air conditioning system
10FR FOG LH 10 A⎯
11FR FOG RH 10 A⎯
12BK/UP LP7.5 A Back-up lights
13ECU IG1 10 A ABS, electric power steering
14AM17.5 A Starting system
15AMP 15 A Audio system
16AT UNIT 15 A Transmission
17GAUGE7.5 A Gauge and meters
18ECU IG2 10 A Engine control unit
19SEAT HTR LH 10 A⎯
20SEAT HTR RH 10 A⎯
21RADIO7.5 A Audio system
22P/POINT No.1 15 A Power outlet

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Maintenance and care
■
After a fuse is replaced
●If the lights do not turn on even after the fuse has been replaced, a bulb
may need replacement. ( →P. 298)
● If the replaced fuse blows again, have the vehicle inspected by your
Toyota dealer.
■ If there is an overload in the circuits
The fuses are designed to blow, protecting the wiring harness from damage.
WARNING
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failing to do so may cause damage to the vehicle, and possibly a fire or
injury.
●Never use a fuse of a higher amperage rating than indicated, or use any
other object in place of a fuse.
● Always use a genuine Toyota fuse or equivalent.
● Do not modify the fuse or the fuse box.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by your
Toyota dealer.

318 5-2. Steps to take in an emergency
Have the vehicle inspected immediately.Failing to investigate the cause of the following warnings may lead to
the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Toyota dealer immediately.
Warning lightWarning light/Details
(U.S.A.)
(Canada) Malfunction indicator lamp
Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system;
• The electronic automatic transmission control system.
SRS warning light Indicates a malfunction in:
• The SRS airbag system;
• The seat belt pretensioner system;
• The front passenger occupant classification system.
(U.S.A.)
(Canada) ABS warning light
Indicates a malfunction in:
• The ABS;
• The brake assist system.
Electric power steering warning light (warning buzzer) Indicates a malfunction in the EPS (Electric Power Steer-
ing) system.
Slip indicator Indicates a malfunction in:
• The VSC system;
• The TRAC system;
• The hill-start assist control system.
Automatic headlight level ing system warning light
Indicates a malfunction in the automatic headlight leveling
system.