2004 MAZDA MODEL 3 4-DOOR Owners Manual

8-43
Maintenance and Care
Owner Maintenance
Form No. 8S18-EA-03I
High-mount brake light
4 Door
1. Pull the center of each plastic retainer and remove the retainers and the trunk
rear trim.
2. Disconnect the electrical connector from the socket.
3. Turn the socket and bulb assembly counterclockwise and remove it.
4. Disconnect the bulb from the socket.
5. Install the new bulb in the reverse order of removal. 5 Door
1. Remove the liftgate upper trim.
2. Disconnect the electrical connector
from the socket.
3. Turn the socket and bulb assembly counterclockwise and remove it.
4. Disconnect the bulb from the socket.
5. Install the new bulb in the reverse order of removal.
NOTE
To replace the bulb, contact an
Authorized Mazda Dealer.
Removal
Installation
Trunk rear trim
Socket
NOTE
To replace the bulb, contact an
Authorized Mazda Dealer.
Liftgate upper trim
Socket
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Maintenance and Care
Owner Maintenance
Form No. 8S18-EA-03I
License plate lights
1. Wrap a flathead screwdriver with a soft cloth to prevent damage to the lens and
remove the lens by carefully prying on
the edge of the lens with a flathead
screwdriver.
2. Disconnect the bulb by pulling it out.
3. Install the new bulb in the reverse order of removal.

Replacing Interior Light Bulbs
Overhead light/Map lights (Front)*
1. Wrap a flathead screwdriver with a soft
cloth to prevent damage to the trim and
gently insert it in the overhead light as
shown in the figure, and then remove
the overhead light unit.
2. Turn the socket and bulb assembly counterclockwise and remove it.
3. Disconnect the bulb from the socket.
4. Install the new bulb in the reverse order of removal.
Edge
Socket
*Some models.
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Maintenance and Care
Owner Maintenance
Form No. 8S18-EA-03I
Overhead light (Rear)
1. Wrap a small flathead screwdriver with a soft cloth to prevent damage to the
lens and remove the lens by carefully
prying on the edge of the lens with the
flathead screwdriver.
2. Disconnect the bulb by pulling it out.
3. Install the new bulb in the reverse order of removal.
Trunk light (4 Door)
1. Press both sides of the lens cap to remove it.
2. Disconnect the bulb by pulling it out.
3. Install the new bulb in the reverse order of removal. Luggage compartment light (5 Door)
1. Insert your finger as shown in the
figure and remove the unit.
2. Wrap a small flathead screwdriver with a soft cloth to prevent damage to the
lens and remove the lens by carefully
prying on the edge of the lens with the
flathead screwdriver.
3. Disconnect the bulb by pulling it out.
4. Install the new bulb in the reverse order of removal.
Edge
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Maintenance and Care
Owner Maintenance
Form No. 8S18-EA-03I
Yo u r v e h i c l e’s electrical system is
protected by fuses.
If any lights, accessories, or controls don ’t
work, inspect the appropriate circuit
protector. If a fuse has blown, the inside
element will be melted.
If the same fuse blows again, avoid using
that system and consult an Authorized
Mazda Dealer as soon as possible.

Fuse Replacement
Replacing the fuses on the front
passenger
’s side below the glove box
If the electrical system doesn ’t work, first
inspect fuses on the front passenger ’s side
below the glove box.
1. Turn off the ignition switch and other switches.
2. Remove the cover. 3. Turn the knobs counterclockwise and
lower the fuse block.
4. Locate the position of the suspected fuse by using the chart inside the fuse
block cover.
5. Pull the fuse straight out with the fuse puller provided on the inside of the
engine compartment fuse block cover.
Fuses
Cover
Fuse block cover
Fuse puller
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Maintenance and Care
Owner Maintenance
Form No. 8S18-EA-03I
6. Inspect it and replace if it’s blown.
7. Push in a new fuse of the same amperage rating, and make sure it fits
tightly. If it doesn ’t, have an
Authorized Mazda Dealer install it.
If you have no spare fuses, borrow one
of the same rating from a circuit not
essential to vehicle operation, such as
the MIRROR or CIGAR circuit.
Replacing the fuses under the hood
If the headlights or other electrical
components don ’t work and the fuses in
the cabin are OK, inspect the fuse block
under the hood. If a fuse is blown, it must
be replaced. Follow these steps:
1. Turn off the ignition switch and all other switches. 2. Remove the fuse block cover.
3. If a fuse is blown, replace it with a new
one of the same amperage rating
.
Always replace a fuse with one of the
same rating. Otherwise you may
damage the electric system.
Normal Blown
CAUTION
NOTE
To replace the MAIN fuse, contact an
Authorized Mazda Dealer.
Fuse block cover
Normal Blown
Main fuse
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Maintenance and Care
Owner Maintenance
Form No. 8S18-EA-03I

Fuse Panel Description
Fuse block (Engine compartment)
12 3
4 5 6
789
10
11 12 13
1415
16 17 18
19 20 21
22
23
24
25
26
27
28
29
30 31
32
33
34
35
36
DESCRIPTIONFUSE
RATINGPROTECTED
COMPONENT
1 FAN 40A Cooling fan
2 P/ST 80A EHPAS
3BTN 40A For protection of
various circuits
4HEAD 40AHeadlights
5PTC 80A —
6GLOW 60A —
7ABS 1 30A ABS
*
8ABS 2 20AABS*
9 ENGINE 30AFor protection of
various circuits
10 —— —
11 IG KEY 1 30A Ignition switch
12 STARTER 20A Starter clutch
13 IG KEY 2 30A Ignition switch
14 —— —
15 HEATER 40A Blower motor
16 —— —
17 DEFOG 40A Rear window
defroster
DESCRIPTIONFUSE
RATINGPROTECTED
COMPONENT
18 —— —
19 ABS IG 10A ABS
*
20 FOG 15AFog lights*
21 HORN 15A Horn
22—— —
23 H/CLEAN 20A —
24 F/PUMP 15A Fuel pump
25 P/ST IG 10A Power steering
26 A/C MAG 10A Air conditioner
27 ALT 10A —
28 —— —
29 —— —
30 ENG +B 10A PCM
31 ROOM 15A Interior lights
32
ENG BAR 410A O2 heater
33
ENG BAR 310A O2 heater
34 EGI INJ 10A Injector
35
ENG BAR 110A Air flow sensor
36ENG BAR 210A EGR control valve
*Some models.
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Maintenance and Care
Owner Maintenance
Form No. 8S18-EA-03I
Fuse block (Passenger’s side)
37 38 39 40 41 42
43 44 45 46
47 48 49 50 51
52 53 54 55 56 57 58
59 60 61 62 63 64
65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86
DESCRIPTIONFUSE
RATINGPROTECTED
COMPONENT
37 D/LOCK 2 15A Power door lock
38 —— —
39 HEAD
HIGH L 10AHeadlight high
beams (LH)
40 HEAD
HIGH R 10AHeadlight high
beams (RH)
41 —— —
42 —— —
43 CIGAR 15A Lighter
44 RADIO 7.5A Audio system
45 MIRROR 10A Power control
mirror
46 TAIL R 7.5A Taillight (RH),
Parking lights (RH)
License plate lights
47 OBD 10A For protection of
various circuits
48 —— —
49 TR/LOCK 20A —
50 CPU PWR 10A Control unit
51 HAZARD 15A
Turn signals, Hazard
warning flashers
DESCRIPTIONFUSE
RATINGPROTECTED
COMPONENT
52 SUN
RO O F 20A
Moonroof
*
53 WASHER 20A Front washer, Rear
window wiper and
washer
54 —— —
55 P/WIND R 30A —
56 P/WIND L 30A —
57 ALARM 7.5A —
58 M/DEF 7.5A Mirror Defroster
59 —— —
60 HEAD
LOW R 15AHeadlight low
beams (RH),
Headlight leveling
*
61
HEAD
LOW L 15A
Headlight low
beams (LH)
62 —— —
63 —— —
64 —— —
65 SAS 10A Supplemental
restraint system
*Some models.
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Maintenance and Care
Owner Maintenance
Form No. 8S18-EA-03I
DESCRIPTIONFUSE
RATINGPROTECTED
COMPONENT
66 METER 10A Instrument cluster,
Immobilizer
system, Shift lock
system
67 IGNITION 20A ABS
*, EHPAS*
68 WIPER 20A Windshield wiper
69 ENGINE 20AFor protection of
various circuits
70 IG SIG 10A Auto wiper
*
71 SAS 2 7.5ASupplemental
restraint system
72 —— —
73 —— —
74 SEAT
WA R M 20A
—
75 D/LOCK 1 25A Power door lock
76 A/C 10A Air conditioner,
Heater control unit
77 P/WIND L 30A Power window
(LH)
*
78 P/WIND R 30APower window
(RH)*
79 BACK 10A Reverse lights
80
SUN
RO O F 7.5A
Moonroof
*
81 TAIL L 7.5A Taillights (LH),
Parking lights (LH)
82 ILLUMI 7.5A Illumination
83 —— —
84 —— —
85 —— —
86 —— —
*Some models.
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