2003 TOYOTA MR2 SPYDER electrical

2242003 MR2 from Aug. ’03 Prod. (OM17511U)
Checking and replacing fuses
SB73035
GoodBlown
Ty p e A
SB73036
Good Blown
Ty p e B
SB73037
Good Blown
Ty p e C
SB73066
If the headlights or other electrical
components do not work, check the
fuses. If any of the fuses are blown,
they must be replaced.
See “Fuse locations” on page 200 in Sec-
tion 71 for locations of the fuses.
Turn the ignition switch and inoperative
component off. Pull a suspected fuse
straight out and check it.
Determine which fuse may be causing the
problem. The lid of the fuse box shows
the name of the circuit for each fuse. See
page 243 in Section 8 of this manual for
the functions controlled by each circuit.
Type A fuses can be pulled out by the
pullout tool. The location of the pullout
tool is shown in the illustration.
03 07.07

2252003 MR2 from Aug. ’03 Prod. (OM17511U)
If you are not sure whether the fuse has
blown, try replacing the suspected fuse
with one that you know is good.
If the fuse has blown, push a new fuse
into the clip.
Only install a fuse with the amperage rat-
ing designated on the fuse box lid.
If you do not have a spare fuse, in an
emergency you can pull out the “D P/W”,
“P P/W” or “CIG” fuse, which may be
dispensable for normal driving, and use it
if its amperage rating is the same.
If you cannot use one of the same amper-
age, use one that is lower, but as close
as possible to the rating. If the amperage
is lower than that specified, the fuse
might blow out again but this does not
indicate anything wrong. Be sure to get
the correct fuse as soon as possible and
return the substitute to its original clip.
It is a good idea to purchase a set of
spare fuses and keep them in your ve-
hicle for emergencies.
If the new fuse immediately blows out,
there is a problem with the electrical sys-
tem. Have your Toyota dealer correct it as
soon as possible.CAUTION
Never use a fuse with a higher am-
perage rating, or any other object, in
place of a fuse. This may cause ex-
tensive damage and possibly a fire.
Adding washer fluid
SB73003
If any washer does not work, the wash-
er tank may be empty. Check the wash-
er fluid level on the level gauge. If the
washer fluid level is below “LOW”, add
washer fluid.
You may use plain water as washer fluid.
However, in cold areas where tempera-
tures range below freezing point, use
washer fluid containing antifreeze. This
product is available at your Toyota dealer
and most auto parts stores. Follow the
manufacturer ’s directions for how much to
mix with water.
03 07.07

2492003 MR2 from Aug. ’03 Prod. (OM17511U)
Economical driving158
. . . . . . . . . . . . . . .
Good driving practice 96
. . . . . . . . . . . . . .
Winter driving tips 156
. . . . . . . . . . . . . . . .
During
Breakin 130
. . . . . . . . . . . . . . . . . . . . . . . .
E
Economical driving
Saving money on both fuel
and repairs 158 . . . . . . . . . . . . . . . . . . . .
Electrical system Battery 222,223 . . . . . . . . . . . . . . . . . . . . . .
Fuse locations 200 . . . . . . . . . . . . . . . . . . .
Fuses 224 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Emergency flasher switch 69 . . . . . . . . . . . .
Emergency, In case of Blown fuse 224 . . . . . . . . . . . . . . . . . . . . . .
Emergency flasher switch 69 . . . . . . . . . .
Flat tire 167 . . . . . . . . . . . . . . . . . . . . . . . . .
If you cannot increase the
engine speed 166 . . . . . . . . . . . . . . . . . .
If you cannot shift the sequential manual transmission
selector lever 181 . . . . . . . . . . . . . . . . . .
If you lose your keys 182 . . . . . . . . . . . . . .
If your engine stalls
while driving 165 . . . . . . . . . . . . . . . . . . .
If your vehicle needs to be towed 177 . . . . . . . . . . . . . . . . . . . .
If your vehicle will not start 162 . . . . . . . .
Jump starting 163 . . . . . . . . . . . . . . . . . . . .
Overheating 166 . . . . . . . . . . . . . . . . . . . . . Towing 177
. . . . . . . . . . . . . . . . . . . . . . . . . .
Emissions Inspection and Maintenance (I/M) programs 195 . . . . . . .
Engine
Before starting the engine 154 . . . . . . . . .
Checking the coolant level 208 . . . . . . . .
Emission control device 132 . . . . . . . . . . .
Engine compartment 198 . . . . . . . . . . . . . .
Exhaust gas caution 133 . . . . . . . . . . . . . .
Hood release 16 . . . . . . . . . . . . . . . . . . . . .
Identification Number 139 . . . . . . . . . . . . . . . . . . . . . . .
Oil consumption 134 . . . . . . . . . . . . . . . . . .
Oil level 206 . . . . . . . . . . . . . . . . . . . . . . . . .
Overheating 166 . . . . . . . . . . . . . . . . . . . . .
Starting procedure 154 . . . . . . . . . . . . . . .
Threeway catalytic converter 132 . . . . .
Engine coolant Temperature gauge 74 . . . . . . . . . . . . . . . .
Winter driving tips 156 . . . . . . . . . . . . . . . .
Engine coolant temperature gauge 74 . . . .
Engine immobilizer system 10 . . . . . . . . . . .
Engine oil Winter driving tips 156 . . . . . . . . . . . . . . . .
Exhaust gas cautions 133 . . . . . . . . . . . . . . .
F
Facts about engine oil
consumption 134 . . . . . . . . . . . . . . . . . . . . .
Flasher, Headlight 68 . . . . . . . . . . . . . . . . . . .
Flat tire After changing wheels 175 . . . . . . . . . . . . Changing tire 173
. . . . . . . . . . . . . . . . . . . .
If you have a flat tire 167 . . . . . . . . . . . . . .
Jack point 172 . . . . . . . . . . . . . . . . . . . . . . .
Jacking precautions 167 . . . . . . . . . . . . . .
Jacking up 172 . . . . . . . . . . . . . . . . . . . . . .
Loosening wheel nuts 171 . . . . . . . . . . . . .
Lowering vehicle 174 . . . . . . . . . . . . . . . . .
Wheel block 171 . . . . . . . . . . . . . . . . . . . . .
Wheel nuts 173 . . . . . . . . . . . . . . . . . . . . . .
Floor mat 128 . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid level Brake 209 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power steering 210 . . . . . . . . . . . . . . . . . . .
Washer fluid 225 . . . . . . . . . . . . . . . . . . . . .
Foreign countries, Operation in 132 . . . . . .
Front box 123 . . . . . . . . . . . . . . . . . . . . . . . . . .
Front fog light switch 70 . . . . . . . . . . . . . . . .
Fuel Filler door o pener 18. . . . . . . . . . . . . . . . .
Fuel economy 158 . . . . . . . . . . . . . . . . . . . .
Fuel pump shut off system 132 . . . . . . . . .
Gauge 74 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation in foreign countries 132 . . . . .
Tank cap 18 . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel information 130 . . . . . . . . . . . . . . . . . . . .
Fuel pump shut off system 132 . . . . . . . . . .
Fuses Fuse box 199 . . . . . . . . . . . . . . . . . . . . . . . .
Fuse locations 200 . . . . . . . . . . . . . . . . . . . . .
03 07.07

2003 MR2 from Aug. '03 Prod. (OM17511U)
03 07.07
Where to obtain the Repair Manual
The repair manual for MR2, written in English,
may be purchased as applicable from any Toyota
dealer.
Pub. Name: 2003 MR2 Repair Manual
Pub. No.: RM967U1 RM967U2
Maintenance procedures for the engine,
chassis, body, electrical system, and more,
are clearly explained and illustrated.
Periodic maintenance and tune-up
Periodic maintenance and tune-up helps to pre
vent small problems from growing into larger ones lat
er on. The repair manual outlines exactly what main
tenance is required and clearly explains how to do the
work yourself step-by-step.
Areas covered include such things as spark plug re
placement, valve clearance adjustment and engine oil
and filter replacement.