engine MAZDA MODEL MX-5 MIATA PRHT 2012 Workshop Manual
[x] Cancel search | Manufacturer: MAZDA, Model Year: 2012, Model line: MODEL MX-5 MIATA PRHT, Model: MAZDA MODEL MX-5 MIATA PRHT 2012Pages: 456, PDF Size: 5.68 MB
Page 176 of 456
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If the vehicle is kicked down at the
following speeds or lower, the gears shift
down automatically:
GearVehicle speed
M6 →M5 190 km/h (118 mph)
M6 →M4 125 km/h (77 mph)
M5 →M4 125 km/h (77 mph)
M5 →M3 78 km/h (48 mph)
M4 →M3 78 km/h (48 mph)
M4 →M2 50 km/h (31 mph)
M3 →M2 50 km/h (31 mph)
Recommendations for shifting
Upshifting
For normal acceleration and cruising, we
recommend these shift points.
Gear Vehicle speed
M1 to M2 24 km/h (15 mph)
M2 to M3 40 km/h (25 mph)
M3 to M4 53 km/h (33 mph)
M4 to M5 59 km/h (37 mph)
M5 to M6 78 km/h (49 mph)
For cruising
Gear Vehicle speed
M1 to M2 22 km/h (14 mph)
M2 to M3 27 km/h (17 mph)
M3 to M4 41 km/h (26 mph)
M4 to M5 56 km/h (35 mph)
M5 to M6 64 km/h (40 mph)
Downshifting
When you must slow down in heavy
traffic or on a steep upgrade, downshift
before the engine starts to overwork. This
gives better acceleration when you need
more speed.
On a steep downgrade , downshifting
helps maintain safe speed and prolongs
brake life.
q Direct Modeí
Direct mode can be used for temporarily
switching gears by operating the steering
shift switch while the vehicle is being
driven with the selector lever in the D
range.
While in direct mode, the D and M
indicator lights illuminate and the gear
position in use is illuminated.
Direct mode is canceled (released) under
the following conditions.
lThe vehicle is driven at a constant
speed.
lThe needle in the tachometer
approaches the red zone.
lThe vehicle is driven at a constant
speed and the accelerator pedal is
heavily depressed.
lThe vehicle is stopped or moving at a
slow speed.
Gear position indicator
Direct mode indicator
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NOTE
Shifting up and down while in direct mode may
not be possible depending on the vehicle
speed. In addition, because direct mode is
canceled (released) depending on the rate of
acceleration or if the accelerator is fully
depressed, use of the manual shift mode is
recommended if you need to drive the vehicle
in a particular gear for long periods.
qDriving Tips
WARNING
Do not allow the vehicle to move in
reverse on an up-slope while the
selector lever is in a forward gear
position, or move forward on a down-
slope while the selector lever is in the
reverse position.
Otherwise, the engine will stop,
causing the loss of the power brake
and power steering functions, and
make it difficult to control the vehicle
which could result in an accident.
Passing
For extra power when passing another
vehicle or climbing steep grades, depress
the accelerator fully. The transmission will
shift to a lower gear, depending on vehicle
speed.
Climbing steep grades from a stop
To climb a steep grade from a stopped
position:
1. Depress the brake pedal.
2. Shift to D or M1, depending on theload weight and grade steepness.
3. Release the brake pedal while gradually accelerating.
Descending steep grades
When descending a steep grade, shift to
lower gears, depending on load weight
and grade steepness. Descend slowly,
using the brakes only occasionally to
prevent them from overheating.
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Power Steering
Power steering is only operable when the
engine is running. If the engine is off or if
the power steering system is inoperable,
you can still steer, but it requires more
physical effort.
If the steering feels stiffer than usual
during normal driving, consult an
Authorized Mazda Dealer.
CAUTION
Never hold the steering wheel to the
extreme left or right for more than 5
seconds with the engine running.
This could damage the power
steering system.
Cruise Controlí
With cruise control, you can set and
automatically maintain any speed of more
than about 30 km/h (19 mph).
WARNING
Do not use the cruise control under the
following conditions:Using the cruise control under the
following conditions is dangerous
and could result in loss of vehicle
control.
ØHilly terrain
Ø Steep inclines
Ø Heavy or unsteady traffic
Ø Slippery or winding roads
Ø Similar restrictions that require
inconsistent speed
qCruise Main Indicator Light
(Amber)/Cruise Set Indicator
Light (Green)
The indicator light has two colors.
Cruise Main Indicator Light (Amber)
The indicator light illuminates amber
when the ON/OFF switch is pressed and
the cruise control system is activated.
Cruise Set Indicator Light (Green)
The indicator light illuminates green when
a cruising speed has been set.
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Traction Control System
(TCS)
í
The Traction Control System (TCS)
enhances traction and safety by
controlling engine torque and braking.
When the TCS detects driving wheel
slippage, it lowers engine torque and
operates the brakes to prevent loss of
traction.
This means that on a slick surface, the
engine adjusts automatically to provide
optimum power to the drive wheels,
limiting wheel spin and loss of traction.
WARNING
Do not rely on the traction control
system as a substitute for safe driving:The traction control system (TCS)
cannot compensate for unsafe and
reckless driving, excessive speed,
tailgating (following another vehicle
too closely), and hydroplaning
(reduced tire friction and road
contact because of water on the road
surface). You can still have an
accident.
Use snow tires or tire chains and drive
at reduced speeds when roads are
covered with ice and/or snow: Driving without proper traction
devices on snow and/or ice-covered
roads is dangerous. The traction
control system (TCS) alone cannot
provide adequate traction and you
could still have an accident.
NOTE
To turn off the TCS, press the DSC OFF switch
(page 5-28).
q TCS/DSC Indicator Light
This indicator light stays on for a few
seconds when the ignition is switched
ON. If the TCS or DSC is operating, the
indicator light flashes.
If the light stays on, the TCS or DSC may
have a malfunction and they may not
operate correctly. Take your vehicle to an
Authorized Mazda Dealer.
NOTE
lIn addition to the indicator light flashing, a
slight lugging sound will come from the
engine. This indicates that the TCS is
operating properly.
lOn slippery surfaces, such as fresh snow, it
will be impossible to achieve high rpm
when the TCS is on.
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Dynamic Stability Control
(DSC)
í
The Dynamic Stability Control (DSC)
automatically controls braking and engine
torque in conjunction with systems such
as ABS and TCS to help control side slip
when driving on slippery surfaces, or
during sudden or evasive maneuvering,
enhancing vehicle safety.
Refer to ABS (page 5-9) and TCS (page
5-26).
WARNING
Do not rely on the dynamic stability
control as a substitute for safe driving:The dynamic stability control (DSC)
cannot compensate for unsafe and
reckless driving, excessive speed,
tailgating (following another vehicle
too closely), and hydroplaning
(reduced tire friction and road
contact because of water on the road
surface). You can still have an
accident.
CAUTION
ØThe DSC may not operate correctly
unless the following are observed:
ØUse tires of the correct size
specified for your Mazda on all
four wheels.
ØUse tires of the same
manufacturer, brand and tread
pattern on all four wheels.
ØDo not mix worn tires.
Ø The DSC may not operate correctly
when tire chains are used or a
temporary spare tire is installed
because the tire diameter changes.
Ø If repair or replacement of the
steering or other surrounding
equipment is necessary, have it
done at an Authorized Mazda
Dealer. If the center position of the
steering deviates, the DSC may not
operate correctly because there is
a sensor in the steering which
detects driving conditions.
qTCS/DSC Indicator Light
This indicator light stays on for a few
seconds when the ignition is switched
ON. If the TCS or DSC is operating, the
indicator light flashes.
If the light stays on, the TCS or DSC may
have a malfunction and they may not
operate correctly. Take your vehicle to an
Authorized Mazda Dealer.
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NOTElWhen DSC is on and you attempt to free the
vehicle when it is stuck, or drive it out of
freshly fallen snow, the TCS (part of the
DSC system) will activate. Depressing the
accelerator will not increase engine power
and freeing the vehicle may be difficult.
When this happens, turn off the TCS/DSC.
lIf the TCS/DSC is off when the engine is
turned off, it automatically activates when
the ignition is switched ON.
lLeaving the TCS/DSC on will provide the
best stability. When the TCS/DSC is off, the
TCS/DSC does not activate but the brake
LSD (Limited Slip Differentials) function
remains.
lIf the DSC OFF switch is pressed and held
for a second or more, the TCS/DSC system
may become inoperative due to the system
detecting a switch problem. If the TCS/DSC
system becomes inoperative, the TCS/DSC
and the DSC OFF indicator lights
illuminate simultaneously. In this case, turn
off the engine and restart it to restore the
TCS/DSC.
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Meters and Gauges
Speedometer ...................................................................................................... page 5-38
Odometer, Trip Meter, Average Fuel Economy Display, Outside Temperature Display
and Selector ....................................................................................................... page 5-38
Tachometer ........................................................................................................ page 5-39
Engine Coolant Temperature Gauge .................................................................. page 5-40
Fuel Gauge ........................................................................................................ page 5-40
Dashboard Illumination ..................................................................................... page 5-41
Engine Oil Pressure Gauge ................................................................................ page 5-41
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The trip meter records the total distance
the vehicle is driven until the meter is
again reset. Return it to“0.0 ”by holding
the selector depressed for 1 second or
more. Use this meter to measure trip
distances and to compute fuel
consumption.
NOTE
lOnly the trip meters record tenths of
kilometers (miles).
lThe trip record will be erased when:lThe power supply is interrupted (blown
fuse or the battery is disconnected).
lThe vehicle is driven over 999.9 km
(mile).
Average fuel economy display
This mode displays the average fuel
economy by calculating the total fuel
consumption and the total traveled
distance since purchasing the vehicle, re-
connecting the battery after disconnection,
or resetting the data. The average fuel
economy is calculated and displayed
every minute.
To clear the data being displayed, press
the selector for more than 1 second. After
pressing the selector, - - - L/100 km (- - -
mpg) will be displayed for about 1 minute
before the fuel economy is recalculated
and displayed.
Outside temperature display
This mode displays the outside
temperature. NOTE
l(Temperature unit change function)í
To change the outside temperature display
from Fahrenheit (°F) to Centigrade (°C),
press and hold the selector for several
seconds while the outside temperature is
displayed.
lUnder the following conditions, the ambient
temperature display may differ from the
actual ambient temperature depending on
the surroundings and vehicle conditions:
lSignificantly cold or hot temperatures.lSudden changes in ambient temperature.lThe vehicle is parked.lThe vehicle is driven at low speeds.
q
Tachometer
The tachometer shows engine speed in
thousands of revolutions per minute
(rpm).
Manual Transmission
Red zone
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Automatic Transmission
Red zone
CAUTION
Do not run the engine with the
tachometer needle in the RED ZONE.
This may cause severe engine
damage.
qEngine Coolant Temperature Gauge
The engine coolant temperature gauge
shows the temperature of the engine
coolant.
If the needle is near H, it indicates
overheating.
CAUTION
Driving with an overheated engine
can cause serious engine damage
(page 7-19).
qFuel Gauge
The fuel gauge shows approximately how
much fuel is remaining in the tank when
the ignition is switched ON.
We recommend keeping the tank over 1/4
full. When the low fuel warning light
illuminates or when the needle is near E,
refuel as soon as possible.
Low fuel
warning light
NOTElAfter refueling, it may require some time for
the needle to stabilize. In addition, the
needle may deviate while driving on a slope
or curve since the fuel moves in the tank.
lThe direction of the arrow () indicates
that the fuel-filler lid is on the left side of
the vehicle.
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qEngine Oil Pressure Gauge
Normal range
Engine oil pressure is normal when the
engine oil pressure gauge needle points
within the normal range.
If the needle on the gauge doesn't move
after starting the engine, follow steps 1
through 3.
If the engine oil pressure gauge moves to
L (low) while you are driving, drive to the
side of the road and park off the right-of-
way. Set the parking brake. Then follow
steps 1 through 3.
1. Turn off the engine and inspect the
engine oil level (page 8-19). If it's low,
add oil.
2. Start the engine.
3. If the needle still doesn't move, have your vehicle checked at an Authorized
Mazda Dealer.
CAUTION
Don't run the engine if the oil
pressure is low. It could result in
extensive engine damage.
qDashboard Illumination
When the exterior lights are on, rotate the
knob to adjust the brightness of the
dashboard illumination.
Dim
Bright
NOTE
This symbol () indicates the knob to adjust
the brightness of the dashboard illumination.
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