Mazda B4000 Truck (2007 year). Manual

2.3L engine (if equipped)

The high-current fuses are coded as follows:

Fuse/Relay

Location

Fuse Amp

Rating

Power Distribution Box

Description

40A**

Passenger compartment fuse
panel

—

Not used

40A**

Passenger compartment fuse
panel

—

Not used

50A**

Passenger compartment fuse
panel

—

Not used

40A**

Starter solenoid

—

Not used

40A**

Ignition switch

—

Not used

30A**

Powertrain Control Module (PCM)
relay

CIMS #708397

com_power-box-mbs.23l

itdseq=220

art=raner512_b

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Fuse/Relay

Location

Fuse Amp

Rating

Power Distribution Box

Description

—

Not used

30A**

Blower motor (climate control)

—

Not used

—

Not used

—

Not used

40A**

Anti-lock Brake System (ABS)
module

—

Not used

20A**

Engine fan

—

Not used

10A*

PCM keep alive power, Canister
purge valve solenoid

—

Not used

30A*

Fuel pump motor, Fuel injectors

—

Not used

10A*

A/C clutch solenoid

—

Not used

—

Not used

—

Not used

—

Not used

—

Not used

—

Not used

—

Not used

30A*

Anti-lock Brake System (ABS)
module

—

Not used

—

Not used

—

Not used

—

Not used

7.5A*

Trailer tow (right turn)

15A*

PCM power

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Fuse/Relay

Location

Fuse Amp

Rating

Power Distribution Box

Description

—

Not used

10A*

Automatic transmission

7.5A*

Trailer tow (left turn)

20A*

Engine fan relay coil, A/C relay,
Engine sensors, VMV solenoid

15A*

Ignition coil, Capacitor

45A

—

Wiper HI/LO relay

45B

—

Wiper Park/Run relay

46A

—

Fuel pump relay, Fuel injectors
relay

46B

—

Washer pump relay

—

Engine fan relay

—

Starter relay

—

Not used

—

Not used

—

Not used

—

Not used

—

Not used

—

PCM relay

—

Blower relay

56A

—

A/C clutch solenoid relay

56B

—

Not used

* Mini Fuses ** Maxi Fuses

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183

3.0L and 4.0L engines (if equipped)

The high-current fuses are coded as follows:

Fuse/Relay

Location

Fuse Amp

Rating

Power Distribution Box

Description

40A**

Passenger compartment fuse
panel

—

Not used

40A**

Passenger compartment fuse
panel

—

Not used

50A**

Passenger compartment fuse
panel

—

Not used

40A**

Starter solenoid

—

Not used

40A**

Ignition switch

—

Not used

30A**

Powertrain Control Module (PCM)
relay fuse

CIMS #683869

com_power-box-mbs

itdseq=221

art=raner514_d

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184

Fuse/Relay

Location

Fuse Amp

Rating

Power Distribution Box

Description

—

Not used

30A**

Blower motor (climate control)

—

Not used

—

Not used

—

Not used

40A**

Anti-lock Brake System (ABS)
module

—

Not used

—

Not used

—

Not used

10A*

PCM keep alive power, Canister
purge valve solenoid

—

Not used

30A*

Fuel pump motor, Fuel injectors

—

Not used

10A*

A/C clutch solenoid

—

Not used

20A*

4x4 module

—

Not used

—

Not used

—

Not used

15A*

Foglamps

—

Not used

30A*

Anti-lock Brake System (ABS)
module

—

Not used

—

Not used

—

Not used

—

Not used

7.5A*

Trailer tow (right turn)

15A*

PCM power

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185

Fuse/Relay

Location

Fuse Amp

Rating

Power Distribution Box

Description

—

Not used

10A*

Automatic transmission

7.5A*

Trailer tow (left turn)

20A*

A/C relay coil, Engine sensors,
VMV solenoid, EGR solenoid,
Heated PCV

15A*

Ignition coil, Capacitor

45A

—

Wiper HI/LO relay

45B

—

Wiper Park/Run relay

46A

—

A/C clutch solenoid

46B

—

Washer pump relay

—

PCM relay

48A

—

Fuel pump relay, Fuel injectors
relay

48B

—

Fog lamp relay

—

Not used

—

Not used

—

Not used

—

Not used

—

Blower relay

—

Starter relay

* Mini Fuses ** Maxi Fuses

CHANGING THE TIRES

If you get a flat tire while driving:
• do not brake heavily.
• gradually decrease the vehicle’s speed.
• hold the steering wheel firmly.
• slowly move to a safe place on the side of the road.
Note: The tire pressure monitoring system (TPMS) indicator light will
illuminate when the spare is in use. To restore the full functionality of
the monitoring system, all road wheels equipped with tire pressure
monitoring sensors must be mounted on the vehicle.

CIMS #766082

com_change_tires.152

itdseq=222

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Have a flat serviced by an authorized dealer in order to prevent damage
to the TPMS sensor, refer to Changing tires with TPMS in the Tires,
Wheels and Loading chapter. Replace the spare tire with a road tire as
soon as possible.

WARNING: The use of tire sealants may damage your tires. The
use of tire sealants may also damage your Tire Pressure
Monitoring System and should not be used.

WARNING: Refer to Tire Pressure Monitoring System (TPMS)
in the Tires, Wheels and Loading chapter for important
information. If the tire pressure monitor sensor becomes
damaged, it will no longer function.

Dissimilar spare tire/wheel information

WARNING: Failure to follow these guidelines could result in an
increased risk of loss of vehicle control, injury or death.

If you have a dissimilar spare tire/wheel, then it is intended for
temporary use only. This means that if you need to use it, you should
replace it as soon as possible with a road tire/wheel that is the same size
and type as the road tires and wheels that were originally provided by
Mazda. If the dissimilar spare tire or wheel is damaged, it should be
replaced rather than repaired.

A dissimilar spare tire/wheel is defined as a spare tire and/or wheel that
is different in brand, size or appearance from the road tires and wheels
and can be one of three types:

1. T-type mini-spare: This spare tire begins with the letter “T” for tire

size and may have “Temporary Use Only” molded in the sidewall

2. Full-size dissimilar spare with label on wheel: This spare tire

has a label on the wheel that states: “THIS TIRE AND WHEEL FOR
TEMPORARY USE ONLY”

When driving with one of the dissimilar spare tires listed above, do not:
• Exceed 50 mph (80 km/h)
• Load the vehicle beyond maximum vehicle load rating listed on the

Safety Compliance Label

• Tow a trailer

CIMS #1348491

com_dissimilar-tires

itdseq=223

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• Use snow chains on the end of the vehicle with the dissimilar spare

tire

• Use more than one dissimilar spare tire at a time
• Use commercial car washing equipment
• Try to repair the dissimilar spare tire
Use of one of the dissimilar spare tires listed above at any one wheel
location can lead to impairment of the following:
• Handling, stability and braking performance
• Comfort and noise
• Ground clearance and parking at curbs
• Winter weather driving capability
• Wet weather driving capability
For vehicles equipped with 4WD, it is not recommended that the vehicle
be operated in 4WD modes with a temporary emergency spare tire. If
4WD operation is necessary, do not operate above speeds of 10 mph (16
km/h) or for distances above 50 miles (80 km).

3. Full-size dissimilar spare without label on wheel

When driving with the full-size dissimilar spare tire/wheel, do not:
• Exceed 70 mph (113 km/h)
• Use more than one dissimilar spare tire/wheel at a time
• Use commercial car washing equipment
• Use snow chains on the end of the vehicle with the dissimilar spare

tire/wheel

The usage of a full-size dissimilar spare tire/wheel can lead to
impairment of the following:
• Handling, stability and braking performance
• Comfort and noise
• Ground clearance and parking at curbs
• Winter weather driving capability
• Wet weather driving capability
• All-Wheel driving capability (if applicable)
• Load leveling adjustment (if applicable)
When driving with the full-size dissimilar spare tire/wheel additional
caution should be given to:

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• Towing a trailer
• Driving vehicles equipped with a camper body
• Driving vehicles with a load on the cargo rack
Drive cautiously when using a full-size dissimilar spare tire/wheel and
seek service as soon as possible.

Full-size Matching Spare Tire/Wheel Information

This spare tire/wheel will match the road tire/wheel. When driving with
the full size matching spare tire/wheel, do not exceed 70 mph (113
km/h). It is intended for temporary use only. This means if you need to
use it, you should replace it as soon as possible.

Location of the spare tire and tools

Note: The tire pressure monitoring system (TPMS) indicator light will
illuminate when the spare is in use. To restore the full functionality of
the TPMS system, all road wheels equipped with the tire pressure
monitoring sensors must be mounted on the vehicle.

Have a flat tire serviced by an authorized dealer in order to prevent
damage to the TPMS sensor, refer to Tire Pressure Monitoring System
(TPMS) in the Tires, Wheel and Loading chapter. Replace the spare
tire with a road tire as soon as possible.

The spare tire and tools for your vehicle are stowed in the following
locations:

Tool

Location

Spare tire

Under the vehicle, just forward of
the rear bumper

Jack, jack handle, wheel nut

wrench

Regular Cab: behind seats and
underneath the jack and tools
cover

Cab Plus 4–Door: stowed behind
the front seats, between jump
seats and underneath jack and
tools cover. The lug wrench is held
in place with a wingnut.

Key, spare tire lock (if equipped)

In the glove box

Removing the spare tire

1. Assemble the jack handle to the lug wrench as shown in the

illustrations.

CIMS #1516741

com_full-size-spare

itdseq=224

CIMS #1125281

com_spare-tire.mbs

itdseq=225

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When connecting the jack handle, assemble the following:
• one handle extension and one

typical extension. To assemble,
slide parts together. To
disconnect, depress button and
pull apart.

• one wheel nut wrench. Depress

button and slide together.

2. If equipped, unlock and remove

the spare tire carrier lock from
the rear access hole located just
above the rear bumper and
below the tailgate.

art=raner301_a

art=raner302_a

art=raner303_a

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3. Insert the square end of the

jack handle into the rear access
hole located just above the rear
bumper and below the tailgate.

Forward motion will stop and
resistance to turning will be felt
when properly engaged.

4. Turn the handle

counterclockwise until tire is
lowered to the ground and the
cable is slightly slack.

5. Remove the retainer from the

spare tire.

Tire change procedure

WARNING: When one of the front wheels is off the ground, the
transmission alone will not prevent the vehicle from moving or
slipping off the jack, even if the vehicle is in P (Park)
(automatic transmission) or R (Reverse) (manual
transmission).

WARNING: To help prevent the vehicle from moving when you
change a tire, be sure the parking brake is set, then block (in
both directions) the wheel that is diagonally opposite (other
side and end of the vehicle) to the tire being changed.

WARNING: If the vehicle slips off the jack, you or someone
else could be seriously injured.

CIMS #684806

com_change_proc.mbs

itdseq=226

art=raner001_a

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1. Park on a level surface, activate

hazard flashers and place
gearshift lever in P (Park)
(automatic transmission) or 1
(First) (manual transmission).

2. Set the parking brake and turn

engine OFF.

3. Block the diagonally opposite

wheel.

4. Insert tapered end of the lug

wrench behind hub caps and
twist them off.

5. Loosen each wheel lug nut

one-half turn counterclockwise
but do not remove them until
the wheel is raised off the
ground.

6. Position the jack according to

the following guides and turn
the jack handle clockwise until the tire is a maximum of 1 inch (25
mm) off the ground.

WARNING: To lessen the risk of personal injury, do not put any
part of your body under the vehicle while changing a tire. Do
not start the engine when your vehicle is on the jack. The jack
is only meant for changing the tire.

WARNING: Do not let anyone stay in the vehicle when you are
using the jack; have them stand in a safe place out of traffic
lanes.

art=unogf300_b

art=naver301_b

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• Front

• Rear

Never use the differential as a
jacking point. It is too easy for
the vehicle to tilt or fall and you
can be injured.

7. Remove the wheel lug nuts with

the lug wrench.

8. Replace the flat tire with the

spare tire, making sure the valve
stem is facing outward. Reinstall
the lug nuts until the wheel is
snug against the hub. Do not fully tighten the lug nuts until the
wheel has been lowered.

9. Lower the wheel by turning the jack handle counterclockwise.

art=raner520_a

art=raner521_a

art=mbser300_a

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10. Remove the jack and fully

tighten the lug nuts, in the
order shown. Refer to Wheel
lug nut torque specifications
later in this chapter for the
proper lug nut torque
specification.

11. Stow the flat tire. Refer to

Stowing the spare tire.

12. Stow the jack and lug wrench.

Make sure the jack is fastened so it does not rattle when you drive.

13. Unblock the wheels.

Stowing the flat/spare tire

Note: Failure to follow spare tire stowage instructions may result in
failure of cable or loss of spare tire.

1. Lay the tire on the ground with the valve stem facing up.

2. Slide the wheel partially under the vehicle and install the wire and

retainer through the center of the wheel.

3. Turn the jack handle clockwise until the tire is raised to its original

position underneath the vehicle. The effort to turn the jack handle
increases significantly as the tire contacts the frame. The spare tire
carrier will ratchet when the tire is in the fully stowed position. The
spare tire carrier has a built-in ratchet feature that will not allow you
to overtighten. If the spare tire carrier ratchets with very little effort,
take the vehicle to your authorized dealer for assistance at your
earliest convenience.

4. Check that the tire lies flat against the frame assembly. Push against

the tire to make sure it is tightly seated under the vehicle. Loosen
and retighten, if necessary. Failure to properly stow the spare tire
may result in failure of the winch cable and loss of the spare tire.

5. Repeat this tightness check procedure when servicing the spare tire

pressure (every six months, per Service Maintenance Section), or
at any time that the spare tire is disturbed through service of other
components.

6. Install the spare tire lock (if equipped) into the access hole above

the rear bumper with the spare tire lock key (if equipped) and jack
handle.

CIMS #1112962

com_stow-tire.ran

itdseq=227

art=viler305_a

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194

WHEEL LUG NUT TORQUE SPECIFICATIONS

Retighten the lug nuts to the specified torque within 100 miles (160 km)
after any wheel disturbance (rotation, flat tire, wheel removal, etc.).

Lug nut socket

size/Bolt size

Wheel lug nut torque*

lb.ft.

•m

Lug nut socket size:

⁄

” (19 mm) hex

Bolt size:

⁄

x 20

100

135

* Torque specifications are for nut and bolt threads free of dirt and
rust. Use only Mazda recommended replacement fasteners.

WARNING: When a wheel is installed, always remove any
corrosion, dirt or foreign materials present on the mounting
surfaces of the wheel or the surface of the wheel hub, brake
drum or brake disc that contacts the wheel. Ensure that any
fasteners that attach the rotor to the hub are secured so they
do not interfere with the mounting surfaces of the wheel.
Installing wheels without correct metal-to-metal contact at the
wheel mounting surfaces can cause the wheel nuts to loosen
and the wheel to come off while the vehicle is in motion,
resulting in loss of control.

Note: If there is corrosion on the area where the wheel contacts the
hub, apply a thin film of grease or anti-seize compound on that area.

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.

CIMS #1244586

com_lug-nut-torque.p150

itdseq=228

CIMS #1137423

com_overheating-mazdas

itdseq=229

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195

4. Check whether coolant or steam is escaping from under the hood or

from the engine compartment.

• If steam is coming from the engine compartment: do not go near

the front of the vehicle. Stop the engine, then turn the ignition switch
to the ON position without starting the engine. The radiator cooling
fans will start to cool the engine.

• If neither coolant nor steam is escaping: open the hood and idle

the engine until it cools. If this does not lower the temperature, stop
the engine and let it cool.

5. Check the coolant level. If it is low, look for leaks in the radiator

hoses and connections, heater hoses and connections, radiator and
water pump.

If you find a leak or other damage, or if coolant is still leaking, stop the
engine and call an authorized dealer.

WARNING: When the engine and radiator are hot, scalding
coolant and steam may shoot out under pressure and cause
serious injury. Do not remove the cooling system cap when the
engine and radiator are hot.

See Adding coolant in the Maintenance and Specifications section. If
you find no problems, the engine is cool and no leaks are obvious,
carefully add coolant as required.

Note: If the engine continues to overheat or frequently overheats, have
the cooling system inspected. The engine could be seriously damaged
unless repairs are made.

JUMP STARTING

WARNING: The gases around the battery can explode if
exposed to flames, sparks, or lit cigarettes. An explosion could
result in injury or vehicle damage.

WARNING: Batteries contain sulfuric acid which can burn skin,
eyes and clothing, if contacted.

Do not attempt to push-start your automatic transmission
vehicle. Automatic transmissions do not have push-start
capability. Attempting to push-start a vehicle with an automatic
transmission may cause transmission damage.

CIMS #52573 com_jump-start

itdseq=230

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196

Mazda B4000 Truck (2007 year). Manual - part 12