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(B) Tire Width:The three-digit number indicates
the tire section width in millimeters from sidewall
to sidewall.
(C) Aspect Ratio:A two-digit number that
indicates the tire height-to-width measurements.
For example, if the tire size aspect ratio is
60, as shown in item C of the illustration, it would
mean that the tire’s sidewall is 60 percent as
high as it is wide.
(D) Construction Code:A letter code is used to
indicate the type of ply construction in the tire.
The letter R means radial ply construction;
the letter D means diagonal or bias ply
construction; and the letter B means belted-bias
ply construction.
(E) Rim Diameter:Diameter of the wheel in
inches.
(F) Service Description:These characters
represent the load range and speed rating of the
tire. The load index represents the load carry
capacity a tire is certi ed to carry. The load index
can range from 1 to 279. The speed rating is
the maximum speed a tire is certi ed to carry a
load. Speed ratings range from A to Z.Tire Terminology and De nitions
Air Pressure:The amount of air inside the tire
pressing outward on each square inch of the
tire. Air pressure is expressed in pounds
per square inch (psi) or kilopascal (kPa).
Accessory Weight:This means the combined
weight of optional accessories. Some examples of
optional accessories are, automatic
transmission/transaxle, power steering, power
brakes, power windows, power seats, and
air conditioning.
Aspect Ratio:The relationship of a tire’s height
to its width.
Belt:A rubber coated layer of cords that is
located between the plies and the tread. Cords
may be made from steel or other reinforcing
materials.
Bead:The tire bead contains steel wires wrapped
by steel cords that hold the tire onto the rim.
Bias Ply Tire:A pneumatic tire in which the plies
are laid at alternate angles less than 90 degrees
to the centerline of the tread.
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Engine Compartment Fuse Block
The engine compartment fuse block is located on
the driver’s side of the engine compartment.
SeeEngine Compartment Overview on page 348
for more information on location.
Fuses Usage
1 Cooling Fan 2
2 Cooling Fan 1
Fuses Usage
3 Auxiliary Power
4 Not Used
5 Spare
6 Spare
7 Anti-lock Brake System
8 Air Conditioning Clutch
9 Driver’s Side Low-Beam
10 Daytime Running Lamp 2
11 Passenger’s Side High-Beam
12 Passenger’s Side Park Lamp
13 Horn
14 Driver’s Side Park Lamp
15 Starter
16Electronic Throttle Control, Engine
Control Module
17 Emission Device 1
18 Even Coils, Injectors
19 Odd Coils, Injectors
20 Emission Device 2
21 Spare
22 Powertrain Control Module, Ignition
23 Transmission
24 Mass Air ow Sensor
25 Airbag Display
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Fuses Usage
26 Spare
27 Stoplamp
28 Passenger’s Side Low-Beam
29 Driver’s Side High-Beam
30 Battery Main 3
32 Spare
33 Engine Control Module, Battery
34Transmission Control Module,
Battery
35 Trailer Park Lamp
36 Front Wiper
37Driver’s Side Trailer Stoplamp,
Turn Signal
38 Spare
39 Fuel Pump
40 Not Used
41 All-Wheel Drive
42 Regulated Voltage Control
43Passenger’s Side Trailer
Stoplamp, Turn Signal
44 Spare
45 Front, Rear Washer
48 Rear DefoggerFuses Usage
49 Anti-lock Brake System Motor
50 Battery Main 2
52 Daytime Running Lamps
53 Fog Lamps
54 Climate Control System Blower
57 Battery Main 1
63 Megafuse
Relays Usage
31 Ignition Main
46 Air Conditioning Compressor Clutch
47 Powertrain
51 Spare
55 Crank
56 Fan 1
58Passenger’s Side Trailer
Stoplamp, Turn Signal
59Driver’s Side Trailer Stoplamp,
Turn Signal
60 Fan 3
61 Fan 2
62 Fuel Pump
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