2024 MAZDA CX90 battery

2. Remove the hole cover.Refer to Removing the hole cover in Inspecting Lead-acid battery on page 9-18.
3. Remove the lead-acid battery cover.
4. Turn off the booster vehicle's engine and connect the jumper cables in the following order.
Make sure that the jumper cables are se curely connected so that they do not
disconnect due to the vibrations.
1st lead
Positive (+) terminal on the depleted lead-acid battery
Positive (+) terminal on booster vehicle's battery
2nd lead
Negative (-) terminal on booster vehicle's battery
Location shown in the figure (do not connect to the negative (-) terminal of
the depleted lead-acid battery)
5. Start the booster vehicle's engine and rev the engine.
6. Start the hybrid system of your vehicle.
What to Do in Case of Emergency
Engine Does Not Start
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7. Disconnect the booster cables in the reverse order of their connection after thehybrid system is started.
8. Install the lead-acid battery cover.
9. Have your vehicle inspected by an Authorized Mazda Dealer as soon as possible.

Push-Starting
Do not push-start your Mazda.
WARNING
Never tow a vehicle to start it.
Towing a vehicle to start it is dangerous. The vehicle being towed could surge
forward when its hybrid system starts, causing the 2 vehicles to collide. The
occupants could be injured.
What to Do in Case of Emergency
Engine Does Not Start
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Dealing with the Cause
If trouble arises while charging such as
not being able to charge the high
voltage battery, refer to the following
table. If the problem cannot be solved
even after checking the following table,
there may be a problem with the
vehicle or charger. Contact an
Authorized Mazda Dealer.
Charging is not possible.
CauseAction
The selector
lever is in a
position
other than P. Shift the selector lever to the P
position.
The high
voltage bat-
tery is al-
ready fully
charged. Charging is not performed when
the high voltage battery is al-
ready fully charged.
The high
voltage bat-
tery temper-
ature is ex-
tremely high
or low. Check the high voltage battery
temperature gauge in the instru-
ment cluster. If the high voltage
battery temperature gauge is in
the red or blue range, charging
may not be possible.
The
Lead-acid
battery is
depleted. If the instrument cluster does not
turn on even if the vehicle power
is switched ON, the Lead-acid
battery may be depleted. Charge
or replace the Lead-acid battery.
Normal charging is not possible.
Cause
Action
The outlet
has no pow-
er. Check if a ground-fault circuit in-
terrupter has operated or if a
power outage occurred. If the
power source has a timer func-
tion, electrical power may not be
supplied to the outlet until the
time set to supply power.
Cause
Action
The charge
plug is not
properly
plugged into
the outlet. Check if the charge plug is prop-
erly plugged into the outlet.
The charge
connector is
not properly
connected. Check if the charge connector is
properly connected.
Charging
timer is set. Cancel the charging timer using
EV Settings in Mazda Connect,
or the charging timer cancella-
tion function.
Troubleshooting for functions using a
Smartphone or computer
If you are having trouble with the
remote function service, such as when
the remote function does not work,
consult an Authorized Mazda Dealer.
What to Do in Case of Emergency
Charging Is Not Possible
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Open the liftgate from
the luggage compartment
If the lead-acid battery is dead, the
liftgate cannot be unlocked and
opened. In this case, the liftgate can be
unlocked by taking care of the dead
lead-acid battery situation.
Refer to Taking Action with Depleted
Lead-acid Battery on page 8-11.
If the liftgate cannot be unlocked even
after charging the dead lead-acid
battery, you can open the liftgate as an
emergency measure by following the
procedure below.
1. Remove the cover.
2. Move the lever.
The liftgate is unlocked.
After performing this emergency
measure, have the vehicle inspected by
an Authorized Mazda Dealer.
What to Do in Case of Emergency
Liftgate Cannot Open
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If the brake system warning light and
the ABS warning light
turn on at
the same time, stop the vehicle in a
safe place immediately and contact an
Authorized Mazda Dealer.
The rear wheels could lock more
quickly in an emergency stop than
under normal circ umstances which
could result in an accident.
CAUTION
 In addition, the effectiveness of the
braking may diminish so you may
need to depress the brake pedal
more strongly than normal to stop
the vehicle.
 The brake warning light may turn on
when the hybrid system is started. In
this case, park the vehicle in a safe
location and release the brake pedal.
If the brake warning light remains
illuminated, have the vehicle
inspected by an Authorized Mazda
Dealer.
Lead-Acid Battery
Charging System Warning Light
The light turns on if the charging
system has a problem.
Park the vehicle in a safe place
immediately and contact an
Authorized Mazda Dealer.
WARNING
Do not continue driving with the
charging system warning light turned
on:
Otherwise, the hybrid system may
stop, which could result in an accident.
What to Do in Case of Emergency
Warning/Indicator Light Turns On
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Hybrid System WarningLight
The light turns on if the hybrid system
has a problem or a short circuit.
Have your vehicle inspected by an
Authorized Mazda Dealer.
WARNING
Do not open the hood.
If you touch something in the engine
compartment, it could lead to an
electrical shock resulting in an
accident.
CAUTION
If it turns on while driving, stopping
the hybrid system will prevent the
hybrid system from starting again.
Remaining High VoltageBattery Power Warning Light
The light turns on/flashes when the
remaining charge of the high voltage
battery is low.
In addition, when the light turns on/
flashes, a warning sound is activated.
Charge the battery as soon as possible.
What to Do in Case of Emergency
Warning/Indicator Light Turns On
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Charging System WarningLight
The light turns on if the charging
system has a problem.
Have your vehicle inspected by an
Authorized Mazda Dealer as soon as
possible. Otherwise, the charging
system may not charge the battery.
Output RestrictionWarning Light
The light turns on/flashes under the
following conditions. The vehicle
speed may not increase even if the
accelerator pedal is depressed
High voltage battery level is low
If necessary, park the vehicle in a safe
place until the output restriction
warning light turns off.
WARNING
When the output restriction warning
light turns on or flashes, check the
safety of the surroundings:
The motor output decreases and the
vehicle speed decreases, which could
lead to an accident. If the vehicle
cannot be driven safety, stop the
vehicle in a safe place.
What to Do in Case of Emergency
Warning/Indicator Light Turns On
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Check Engine WarningLight
WARNING
Do not disconnect the lead-acid
battery cables when the check engine
warning light is turned on/flashing.
The engine may be damaged when
reconnecting the lead-acid battery
cables, which could result in a fire.
The light turns on if the engine has a
problem while it is running.
Park the vehicle in a safe place
immediately and contact an
Authorized Mazda Dealer.
If any of the following problems occur,
the check engine warning light turns
on.
There is a problem with the hybrid
system
There is a problem with the emission
control system
There is a problem with the
transmission control system
The fuel tank level being very low or
approaching empty.
The fuel-filler cap is missing or not
tightened securely
If the check engine warning light
remains turned-on/flashing, do not
drive at high speed and have the
vehicle inspected by an Authorized
Mazda Dealer as soon as possible.
Automatic Transmission Warning Light
The light turns on if the system has a
problem.
Contact an Authorized Mazda Dealer.
CAUTION
Do not drive the vehicle with the
automatic transmission warning light
turned on. If the vehicle continues to
be driven while the automatic
transmission warning light is turned on,
the transmission could be damaged.
Have your vehicle inspected by an
Authorized Mazda Dealer as soon as
possible.
What to Do in Case of Emergency
Warning/Indicator Light Turns On
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