Page 3 of 256
Maintenance and Specifications180
Engine compartment 190
Engine oil 194
Battery 200
Fuel information 208
Refill capacities 240
Lubricant specifications 243
Engine data 244
Accessories 248
Index 249
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system or translation in whole or part is not permitted without written
authorization from MNAO. MNAO may change the contents without notice and
without incurring obligation.
Copyright © 2003 MNAO
2004 Mazda B Series(mbs)
Owners Guide (post-2002-fmt)
USA English (fus)
Table of Contents
3
Page 9 of 256
Vehicle Symbol Glossary
Power Window Lockout
Personal Alarm System
Feature
Engine OilEngine Coolant
Engine Coolant
TemperatureDo Not Open When Hot
BatteryAvoid Smoking, Flames,
or Sparks
Battery AcidExplosive Gas
Fan WarningPower Steering Fluid
Maintain Correct Fluid
LevelMAX MIN
Emission System
Engine Air FilterPassenger Compartment
Air Filter
JackCheck fuel cap
INFORMATION ABOUT THIS GUIDE
The information found in this guide was accurate at the time of printing.
Mazda may change the contents without notice.
2004 Mazda B Series (mbs)
Owners Guide (post-2002-fmt)
USA English (fus)
Introduction
9
Page 13 of 256

Check fuel cap:Illuminates when
the fuel cap may not be properly
installed. Check the fuel filler cap if
this light remains on. Continued
driving with this light on may cause
the Check Engine warning light to
come on.
It may take a long period of time for the system to detect an
improperly installed or properly re-installed fuel filler cap
depending on driving and fuel tank level conditions. Refer toFuel
filler cap in theMaintenance and Specifications chapter.
Brake system warning light: To
confirm the brake system warning
light is functional, it will
momentarily illuminate when the
ignition is turned to the ON position
when the engine is not running, or in a position between ON and START,
or by applying the parking brake when the ignition is turned to the ON
position. If the brake system warning light does not illuminate at this
time, seek service immediately from your dealership. Illumination after
releasing the parking brake indicates low brake fluid level or a failure to
brake proportioning and the brake system should be inspected
immediately by your servicing dealership.
WARNING: Driving a vehicle with the brake system warning
light on is dangerous. A significant decrease in braking
performance may occur. It will take you longer to stop the
vehicle. Have the vehicle checked by your dealer immediately.
Anti-lock brake system: If the
ABS light stays illuminated or
continues to flash, a malfunction has
been detected; have the system
serviced immediately. Normal
braking is still functional unless the brake warning light also is
illuminated.
!
BRAKE
ABS
2004 Mazda B Series (mbs)
Owners Guide (post-2002-fmt)
USA English (fus)
Instrument Cluster
13
Page 14 of 256

Air bag readiness:If this light fails
to illuminate when ignition is turned
to ON, continues to flash or remains
on, have the system serviced
immediately. A chime will also
sound when a malfunction in the supplemental restraint system has been
detected.
Safety belt: Reminds you to fasten
your safety belt. A chime will also
sound to remind you to fasten your
safety belt. Refer to the Seating
and safety restraints chapter.
Charging system: Illuminates when
the battery is not charging properly.
Engine oil pressure: Illuminates
when the oil pressure falls below the
normal range, refer to Engine oilin
the Maintenance and
specifications chapter.
Engine coolant temperature:
Illuminates when the engine coolant
temperature is high. Stop the
vehicle as soon as possible , switch off the engine and let cool. Refer to
Engine coolant in theMaintenance and specifications chapter.
WARNING: Never remove the coolant recovery cap while the
engine is running or hot.
Low fuel: Illuminates when the fuel
level in the fuel tank is at or near
empty (refer to Fuel gaugein this
chapter).
Door ajar: Illuminates when the
ignition is in the ON position and
any door is open.
2004 Mazda B Series (mbs)
Owners Guide (post-2002-fmt)
USA English (fus)
Instrument Cluster
14
Page 17 of 256
WARNING: Never remove the coolant reservoir cap and/or the
radiator cap while the engine is running or hot, this may result
in serious burns.
Odometer: Registers the total
kilometers (miles) of the vehicle.
Trip odometer: Registers the
kilometers (miles) of individual
journeys. To reset, depress the
control button.
Tachometer: Indicates the engine
speed in revolutions per minute.
Driving with your tachometer
pointer continuously at the top of
the scale may damage the engine.
Fuel gauge: Indicates
approximately how much fuel is left
in the fuel tank (when the ignition
is in the ON position). The fuel
gauge may vary slightly when the
vehicle is in motion or on a grade.
NOTE: The FUEL icon and arrow
indicates which side of the vehicle
the fuel filler door is located.
Refer to Filling the tank in theMaintenance and Specifications
chapter for more information.
2004 Mazda B Series (mbs)
Owners Guide (post-2002-fmt)
USA English (fus)
Instrument Cluster
17
Page 124 of 256

SPECIAL LOADING INSTRUCTIONS FOR OWNERS OF PICKUP
TRUCKS AND UTILITY-TYPE VEHICLESWARNING: For important information regarding safe operation
of this type of vehicle, see the Preparing to drive your vehicle
section in this chapter.
WARNING: Loaded vehicles may handle differently than
unloaded vehicles. Extra precautions, such as slower speeds and
increased stopping distance, should be taken when driving a
heavily loaded vehicle.
Your vehicle can haul more cargo and people than most passenger cars.
Depending upon the type and placement of the load, hauling cargo and
people may raise the center of gravity of the vehicle.
Vehicle Loading – with and without a trailer
This section will guide you in the proper loading of your vehicle and/or
trailer, to keep your loaded vehicle weight within its design rating
capability, with or without a trailer. Properly loading your vehicle will
provide maximum return of vehicle design performance. Before loading
your vehicle, familiarize yourself with the following terms for determining
your vehicle’s weight ratings, with or without a trailer, from the vehicle’s
Safety Certification Label and Tire and Load Information Label:
Base Curb Weight – is the weight of the vehicle including a full tank of
fuel and all standard equipment. It does not include passengers, cargo, or
optional equipment.
Vehicle Curb Weight – is the weight of your new vehicle when you
picked it up from your dealer plus any aftermarket equipment.
Cargo Weight – includes all weight added to the Base Curb Weight,
including cargo and optional equipment. When towing, trailer tongue load
or king pin weight is also part of cargo weight.
2004 Mazda B Series (mbs)
Owners Guide (post-2002-fmt)
USA English (fus)
Driving
124
Page 148 of 256

Fuse/RelayLocation Fuse Amp
Rating Power Distribution Box
Description
42 7.5A* Trailer tow (left turn)
43 — Not used
44 — Not used
45A — Wiper HI/LO relay 45B — Wiper Park/Run relay
46A — A/C clutch solenoid 46B — Washer pump relay 47 — PCM relay
48A — Fuel pump relay 48B — Fog lamp relay 51 — Not used
52 — Not used
53 — Not used
54 — Not used
55 — Blower relay
56 — Starter relay
* Mini Fuses ** Maxi Fuses
OVERHEATING
If the temperature gauge indicates overheating and you experience
power loss, you hear a loud knocking or pinging noise, the engine is
probably too hot.
If this happens: 1. Drive safely to the side of the road and park off the right-of-way.
2. Shift the automatic transmission into P (Park) or the manual transmission into the neutral position, and apply the parking brake.
3. Turn off the air conditioner.
WARNING: Steam from an overheated engine is dangerous. The
escaping steam could seriously burn you. Open the hood ONLY
after steam is no longer escaping from the engine.
4. Check whether coolant or steam is escaping from under the hood or from the engine compartment.
2004 Mazda B Series (mbs)
Owners Guide (post-2002-fmt)
USA English (fus)
Roadside Emergencies
148
Page 201 of 256

WARNING: When lifting a plastic-cased battery, excessive
pressure on the end walls could cause acid to flow through the
vent caps, resulting in personal injury and/or damage to the
vehicle or battery. Lift the battery with a battery carrier or with
your hands on opposite corners.
WARNING: Keep batteries out of reach of children. Batteries
contain sulfuric acid. Avoid contact with skin, eyes or clothing.
Shield your eyes when working near the battery to protect
against possible splashing of acid solution. In case of acid
contact with skin or eyes, flush immediately with water for a
minimum of 15 minutes and get prompt medical attention. If
acid is swallowed, call a physician immediately.
WARNING: Battery posts, terminals and related accessories
contain lead and lead compounds. Wash hands after handling.
Because your vehicle’s engine is electronically controlled by a computer,
some control conditions are maintained by power from the battery. When
the battery is disconnected or a new battery is installed, the engine must
relearn its idle and fuel trim strategy for optimum driveability and
performance. To begin this process: 1. With the vehicle at a complete stop, set the parking brake.
2. Put the gearshift lever in P (Park), turn off all accessories and start the engine.
3. Run the engine until it reaches normal operating temperature.
4. Allow the engine to idle for at least one minute.
5. Turn the A/C on and allow the engine to idle for at least one minute.
6. Drive the vehicle to complete the relearning process.
• The vehicle may need to be driven to relearn the idle and fuel trim
strategy.
• If you do not allow the engine to relearn its idle trim, the idle
quality of your vehicle may be adversely affected until the idle
trim is eventually relearned.
2004 Mazda B Series (mbs)
Owners Guide (post-2002-fmt)
USA English (fus)
Maintenance and Specifications
201