2005 MAZDA MODEL B2300 TRUCK check engine light

WARNING LIGHTS AND CHIMES
Warning lights and gauges can alert you to a vehicle condition that may
become serious enough to cause expensive repairs. A warning light may
illuminate when a problem exists with one of your vehicle’s functions.
Many lights will illuminate when you start your vehicle to make sure the
bulb works. If any light remains on after starting the vehicle, have the
respective system inspected immediately.
Check engine:TheCheck Engine
indicator light illuminates when the
ignition is first turned to the ON
position to check the bulb. Solid
illumination after the engine is started indicates the On Board
Diagnostics System (OBD-II) has detected a malfunction. Refer toOn
board diagnostics (OBD-II)in theMaintenance and Specifications
chapter. If the light is blinking, engine misfire is occurring which could
damage your catalytic converter. Drive in a moderate fashion (avoid
heavy acceleration and deceleration) and have your vehicle serviced
immediately.
WARNING: Under engine misfire conditions, excessive exhaust
temperatures could damage the catalytic converter, the fuel
system, interior floor coverings or other vehicle components,
possibly causing a fire.
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2005 Mazda B Series(mbs), Owners Guide (post-2002-fmt)(own2002),
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Instrument Cluster
12

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 capin theMaintenance and Specificationschapter.
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.
P!
BRAKE
ABS
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2005 Mazda B Series(mbs), Owners Guide (post-2002-fmt)(own2002),
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Instrument Cluster
13

WARNING: If you smell exhaust fumes inside your vehicle,
have your dealer inspect your vehicle immediately. Do not drive
if you smell exhaust fumes.
Important ventilating information
If the engine is idling while the vehicle is stopped for a long period of
time, open the windows at least one inch (2.5 cm) or adjust the heating
or air conditioning to bring in fresh air.
BRAKES
Occasional brake noise is normal. If a metal-to-metal, continuous grinding
or continuous squeal sound is present, the brake linings may be worn-out
and should be inspected by a qualified service technician. If the vehicle
has continuous vibration or shudder in the steering wheel while braking,
the vehicle should be inspected by a qualified service technician.
Refer toBrake system warning
lightin theInstrument Cluster
chapter for information on the brake
system warning light.
Four-wheel anti-lock brake system (ABS)
This vehicle is equipped with an anti-lock braking system (ABS), a noise
from the hydraulic pump motor and pulsation in the pedal may be
observed during ABS braking events. Pedal pulsation coupled with noise
while braking under panic conditions or on loose gravel, bumps, wet or
snowy roads is normal and indicates proper functioning of the vehicle’s
anti-lock brake system.
NOTE:The ABS performs a self-check after you start the engine and
begin to drive away.
A brief mechanical noise may be heard during this test. This is normal. If
a malfunction is found, the ABS warning light will come on. If the vehicle
has continuous vibration or shudder in the steering wheel while braking,
the vehicle should be inspected by an authorized Mazda dealership.
P!
BRAKE
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2005 Mazda B Series(mbs), Owners Guide (post-2002-fmt)(own2002),
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Driving
146

Sand
When driving over sand, try to keep all four wheels on the most solid
area of the trail. Do not reduce the tire pressures but shift to a lower
gear and drive steadily through the terrain. Apply the accelerator slowly
and avoid spinning the wheels.
Mud and water
If you must drive through high water, drive slowly. Traction or brake
capability may be limited.
When driving through water, determine the depth; avoid water higher
than the bottom of the hubs (if possible) and proceed slowly. If the
ignition system gets wet, the vehicle may stall.
Once through water, always try the brakes. Wet brakes do not stop the
vehicle as effectively as dry brakes. Drying can be improved by moving
your vehicle slowly while applying light pressure on the brake pedal.
After driving through mud, clean off residue stuck to the driveshafts and
tires. Excess mud stuck on tires and rotating driveshafts causes an
imbalance that could damage drive components.
If the transmission, transfer case or front axle are submerged in water,
their fluids should be checked and changed, if necessary.
Driving through deep water where the transmission vent tube is
submerged may allow water into the transmission and cause
internal transmission damage.
Replace rear axle lubricant any time the axle has been submerged in
water. The rear axle does not normally require a lubricant change for the
life of the vehicle. Rear axle lubricant quantities are not to be checked or
changed unless a leak is suspected or repair is required.
Driving on hilly or sloping terrain
When driving on a hill, avoid driving crosswise or turning on steep
slopes. You could lose traction and slip sideways. Drive straight up,
straight down or avoid the hill completely. Know the conditions on the
other side of a hill before driving over the crest.
When climbing a steep hill, start in a lower gear rather than downshifting
to a lower gear from a higher gear once the ascent has started. This
reduces strain on the engine and the possibility of stalling.
When descending a steep hill, avoid sudden braking. Shift to a lower gear
when added engine braking is desired.
When speed control is on and you are driving uphill, your vehicle speed
may drop considerably, especially if you are carrying a heavy load.
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2005 Mazda B Series(mbs), Owners Guide (post-2002-fmt)(own2002),
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Driving
158

3. Park the booster vehicle close to the hood of the disabled vehicle
making sure the two vehiclesdo nottouch. Set the parking brake on
both vehicles and stay clear of the engine cooling fan and other
moving parts.
4. Check all battery terminals and remove any excessive corrosion
before you attach the battery cables. Ensure that vent caps are tight
and level.
5. Turn the heater fan on in both vehicles to protect any electrical
surges. Turn all other accessories off.
Connecting the jumper cables
1. Connect the positive (+) jumper cable to the positive (+) terminal of
the discharged battery.
Note:In the illustrations,lightning boltsare used to designate the
assisting (boosting) battery.
2. Connect the other end of the positive (+) cable to the positive (+)
terminal of the assisting battery.
+–+–
+–+–
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2005 Mazda B Series(mbs), Owners Guide (post-2002-fmt)(own2002),
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Roadside Emergencies
173

While operating your vehicle
•Note any changes in the sound of the exhaust or any smell or exhaust
fumes in the vehicle.
•Check for vibrations in the steering wheel. Notice any increased
steering effort or looseness in the steering wheel, or change in the
straight ahead position.
•Notice if your vehicle constantly turns slightly or“pulls”to one side
when traveling on a smooth, level road.
•When stopping, listen and check for strange sounds, pulling to one
side, increased brake pedal travel or“hard to push”brake pedal.
•If any slipping or changes in the operation of your transmission occur,
check the transmission fluid level.
•Check automatic transmission Park function.
•Check parking brake.
At least monthly
•Check function of all interior and exterior lights.
•Check tires for wear and proper air pressure.
•Check engine oil level.
•Check coolant level in the coolant reservoir.
•Check washer fluid level.
At least twice a year (for example, every spring and fall)
•Check power steering fluid level.
•Check clutch fluid level (if equipped).
•Check and clean body and door drain holes.
•Check and lubricate all hinges, latches, and outside locks.
•Check and lubricate door rubber weather strips.
•Check parking brake for proper operation.
•Check lap/shoulder belts and seat latches for wear and function.
•Check air pressure in spare tire.
•Check windshield washer spray and wiper operation. Clean wiper
blades with clean cloth dampened with washer fluid.
•Check safety warning lamps (brake, ABS, air bag, safety belt) for
operation.
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2005 Mazda B Series(mbs), Owners Guide (post-2002-fmt)(own2002),
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Maintenance and Specifications
202

•Check cooling system fluid level and verify coolant specific gravity is
correct for summer or winter conditions.
•Check battery water level (non-maintenance free).
•Check battery connections and clean if necessary.
SERVICE RECOMMENDATIONS
To help you service your vehicle:
•We highlight do-it-yourself items in the engine compartment for easy
location.
•We provide a Scheduled Maintenance section which makes tracking
routine service easy.
If your vehicle requires professional service, your dealership can provide
necessary parts and service. Check your“Warranty Information”to find
out which parts and services are covered.
Use only recommended fuels, lubricants, fluids and service parts
conforming to specifications. Genuine Mazda parts are designed and built
to provide the best performance in your vehicle.
PRECAUTIONS WHEN SERVICING YOUR VEHICLE
•Do not work on a hot engine.
•Make sure that nothing gets caught in moving parts.
•Do not work on a vehicle with the engine running in an enclosed
space, unless you are sure you have enough ventilation.
•Keep all open flames and other lit material away from the battery and
all fuel related parts.
Working with the engine off
•Automatic transmission:
1. Set the parking brake and shift to P (Park).
2. Turn off the engine and remove the key.
3. Block the wheels.
•Manual transmission:
1. Set the parking brake, depress the clutch and place the gearshift in 1
(First).
2. Turn off the engine and remove the key.
3. Block the wheels.
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2005 Mazda B Series(mbs), Owners Guide (post-2002-fmt)(own2002),
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Maintenance and Specifications
203

How Limp to Safety works
If the engine begins to overheat:
•The engine coolant temperature
gauge will move to the red (hot)
area.
•The
symbol will illuminate.
•TheCheck engineindicator light
will illuminate.
If the engine reaches a preset over-temperature condition, the engine
will automatically switch to alternating cylinder operation. Each disabled
cylinder acts as an air pump and cools the engine.
When this occurs the vehicle will still operate. However:
•The engine power will be limited.
•The air conditioning system will be disabled.
This system has given you an early warning of engine damage and you
should immediately drive to a place of safety where the engine can be
cooled or the vehicle towed to a service shop. Continuing to drive in this
Limp to Safety mode will increase engine temperature some more,
increasing the chance of engine damage, and:
•The engine will completely shut down.
•Steering and braking effort will increase.
If you have decided not to have the vehicle towed, and when the engine
temperature cools, you try to re-start it and it appears to have returned
to normal operation, don’t delay in getting to a service facility as soon as
possible to diagnose what caused the overheat and prevent further
engine damage.
When Limp to Safety mode is activated
You have limited engine power when in the Limp to Safety mode, so
drive the vehicle with caution. The vehicle will not be able to maintain
high speed operation and the engine will run rough. Remember that the
engine is capable of completely shutting down automatically to prevent
engine damage, therefore:
1. Pull off the road as soon as safely possible and turn off the engine.
2. Arrange for the vehicle to be taken to a service facility.
3. If this is not possible, wait for the engine to cool down.
4. When the engine has cooled down, first check the coolant level. If
low, then use a rag and carefully turn the cap one notch
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2005 Mazda B Series(mbs), Owners Guide (post-2002-fmt)(own2002),
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Maintenance and Specifications
222