Engine Compartment Inspection

Checking the Inspection Locations and Inspection Items

The position and shape of each part may differ slightly depending on the specification.

SKYACTIV-G 2.0, SKYACTIV-G 2.5 and e-SKYACTIV G

  1. Engine coolant reservoir

  2. Engine oil dipstick

  3. Brake/Clutch fluid reservoir

  4. Lead-acid battery

  5. Fuse block

  6. Cooling system cap

  7. Engine oil-filler cap

  8. Windshield washer fluid reservoir

 

SKYACTIV-G 2.5T

  1. Engine coolant reservoir

  2. Engine oil dipstick

  3. Brake fluid reservoir

  4. Lead-acid battery

  5. Fuse block

  6. Cooling system cap

  7. Engine oil-filler cap

  8. Windshield washer fluid reservoir

Inspecting Engine Oil

 

  1. Be sure the vehicle is on a level surface.

  2. Warm up the engine to normal operating temperature.

  3. Turn it off and wait at least 5 minutes for the oil to return to the oil pan.

  4. Pull out the dipstick, wipe it clean, and reinsert it fully.

  5. Pull it out again and examine the level.

    The level is normal if it is between the MIN and MAX marks.

    If it is near or below MIN, add enough oil to bring the level to MAX.

    1. MAX

    2. OK

    3. MIN

     


    Do not overfill the engine oil. This may cause engine damage.

  6. Make sure the O-ring on the dipstick is positioned properly before reinserting the dipstick.

  7. Reinsert the dipstick fully.

 

Recommended Oil

U.S.A., Canada

(SKYACTIV-G 2.0 and SKYACTIV-G 2.5)

Use SAE 0W-20 engine oil.

Mazda Genuine Oil is used in your Mazda vehicle. Mazda Genuine 0W-20 Oil is required to achieve optimum fuel economy.

For maintenance service, Mazda recommends Genuine Mazda Parts and Genuine Mazda Premium Oil.

Only use SAE 0W-20 oil “Certified For Gasoline Engines” by the American Petroleum Institute (API).

Oil with this trademark symbol conforms to the current engine and emission system protection standards and fuel economy requirements of the International Lubricant Standardization and Approval Committee (ILSAC), comprised of U.S. and Japanese automobile manufacturers.

 

(SKYACTIV-G 2.5T)

Use SAE 5W-30 engine oil.

Mazda Genuine Oil is used in your Mazda vehicle. Mazda Genuine 5W-30 Oil is required to achieve optimum fuel economy.

For maintenance service, Mazda recommends Genuine Mazda Parts and Genuine Mazda Premium Oil.

Only use SAE 5W-30 oil “Certified For Gasoline Engines” by the American Petroleum Institute (API).

Oil with this trademark symbol conforms to the current engine and emission system protection standards and fuel economy requirements of the International Lubricant Standardization and Approval Committee (ILSAC), comprised of U.S. and Japanese automobile manufacturers.

 

Except U.S.A., Canada

Use SAE 5W-30 engine oil.

Oil container labels provide important information.

A chief contribution this type of oil makes to fuel economy is reducing the amount of fuel necessary to overcome engine friction.

For maintenance service, Mazda recommends Mazda Genuine Parts.

(Mexico)

(SKYACTIV-G 2.5 and e-SKYACTIV G)

Use API SM or higher, SAE 5W-30 engine oil. If SAE 5W-30 engine oil is not available, use SAE 5W-20, SAE 0W-30 or SAE 10W-30 engine oil.

The quality designation SM, SN or SP must be on the label.

 

(SKYACTIV-G 2.5T)

Use API SM or higher, SAE 5W-30 engine oil. If SAE 5W-30 engine oil is not available, use SAE 0W-30 or SAE 10W-30 engine oil.

The quality designation SM, SN or SP must be on the label.

Replenishing Windshield Washer Fluid

 


Use only windshield washer fluid or plain water in the reservoir.

Using radiator antifreeze as washer fluid is dangerous. If sprayed on the windshield, it will dirty the windshield, affect your visibility, and could result in an accident.

Using Washer Fluid Without Anti-freeze Protection in Cold Weather:

Operating your vehicle in temperatures below 4 ℃ (40 ℉) using washer fluid without anti-freeze protection is dangerous as it could cause impaired windshield vision and result in an accident. In cold weather, always use washer fluid with anti-freeze protection.

 


Do not use soapy water or engine antifreeze in the reservoir as it could cause paint discoloration or pump damage.

 


State or local regulations may restrict the use of volatile organic compounds (VOCs), which are commonly used as anti-freeze agents in washer fluid. A washer fluid with limited VOC content should be used only if it provides adequate freeze resistance for all regions and climates in which the vehicle will be operated.

Add washer fluid under any of the following conditions.

  • The top of the fluid level is low.

  • The Low Washer Fluid Level Warning Indication/Warning Light (if equipped) turns on.

  • The top of the fluid level is lower than E (if equipped).

 

Use plain water if washer fluid is unavailable.

But use only washer fluid in cold weather to prevent it from freezing.

Inspecting Lead-acid Battery

 


Read the following precautions carefully before using the lead-acid battery or inspecting to ensure safe and correct handling.

Always wear eye protection when working near the lead-acid battery.

Working without eye protection is dangerous. Lead-acid battery fluid contains SULFURIC ACID which could cause blindness if splashed into your eyes. Also, hydrogen gas produced during normal lead-acid battery operation, could ignite and cause the lead-acid battery to explode.

Wear eye protection and protective gloves to prevent contact with lead-acid battery fluid.

Spilled lead-acid battery fluid is dangerous.

Lead-acid battery fluid contains SULFURIC ACID which could cause serious injuries if it gets in eyes, or on the skin or clothing. If this happens, immediately flush your eyes with water for 15 minutes or wash your skin thoroughly and get medical attention.

Always keep lead-acid batteries out of the reach of children.

Allowing children to play near lead-acid batteries is dangerous. Lead-acid battery fluid could cause serious injuries if it gets in the eyes or on the skin.

Keep flames and sparks away from lead-acid battery cells and do not allow metal tools to contact the positive (+) or negative (-) terminal of the lead-acid battery when working near a lead-acid battery. Do not allow the positive (+) terminal to contact the vehicle body.

Flames and sparks near lead-acid battery cells are dangerous. Hydrogen gas, produced during normal lead-acid battery operation, could ignite and cause the lead-acid battery to explode. An exploding lead-acid battery can cause serious burns and injuries. Keep all flames including cigarettes and sparks away from lead-acid battery cells.

Keep all flames and sparks away from lead-acid battery cells because hydrogen gas is produced from lead-acid battery cells while charging the lead-acid battery or adding lead-acid battery fluid.

Flames and sparks near lead-acid battery cells are dangerous. Hydrogen gas, produced during normal lead-acid battery operation, could ignite and cause the lead-acid battery to explode. An exploding lead-acid battery can cause serious burns and injuries. Keep all flames including cigarettes and sparks away from lead-acid battery cells.

 

Before performing lead-acid battery maintenance, remove the lead-acid battery cover.

Removing the Lead-acid Battery Cover

 

Maintaining Lead-acid Battery

To get the best service from a lead-acid battery:

  • Keep it securely mounted.

  • Keep the top clean and dry.

  • Keep terminals and connections clean, tight, and coated with petroleum jelly or terminal grease.

  • Rinse off spilled electrolyte immediately with a solution of water and baking soda.

  • If the vehicle will not be used for an extended time, disconnect the lead-acid battery cables and charge the lead-acid battery every 6 weeks.

 

 

Replacing lead-acid battery

Contact an Authorized Mazda Dealer for lead-acid battery replacement.

Replacing the Fuses

Replacing the fuses on the vehicle's left side

If the electrical system does not work, first inspect the fuses on the vehicle's left side.

 

  1. Make sure the vehicle power is switched off, and other switches are off.

  2. Open the fuse panel cover.

  3. Pull the fuse straight out with the fuse puller provided on the fuse block located in the engine compartment.

  4. Inspect the fuse and replace it if it is blown.

    1. Normal

    2. Blown

     

  5. Insert a new fuse of the same amperage rating, and make sure it fits tightly. If it does not fit tightly, have an expert install it. Consult an Authorized Mazda Dealer.

    If you have no spare fuses, borrow one of the same rating from a circuit not essential to vehicle operation, such as the audio or accessory socket circuit.

     


    Always replace a fuse with a genuine Mazda fuse or equivalent of the same rating. Otherwise, you may damage the electric system.

  6. Reinstall the cover and make sure that it is securely installed.

Replacing the fuses under the hood

If the headlights or other electrical components do not work and the fuses in the cabin are normal, inspect the fuse block under the hood.

If a fuse is blown, it must be replaced. Follow these steps:

 

  1. Make sure the vehicle power is switched off, and other switches are off.

  2. Remove the fuse block cover.

  3. If any fuse but the MAIN fuse is blown, replace it with a new one of the same amperage rating.

    1. Normal

    2. Blown

     

     


    Do not replace the main fuse by yourself. Have an Authorized Mazda Dealer perform the replacement.

    Replacing the fuse by yourself is dangerous because the MAIN fuse is a high current fuse. Incorrect replacement could cause an electrical shock or a short circuit resulting in a fire.

    Do not replace the main fuse and multiplex slow blow fuse by yourself. Have an Authorized Mazda Dealer perform the replacement.

    Replacing these fuses by yourself is dangerous because they are high current fuses. Incorrect replacement could cause an electrical shock or a short circuit resulting in a fire.

  4. Reinstall the cover and make sure that it is securely installed.

Fuse Panel Description

Fuse block (Engine compartment)

No.

FUSE RATING

PROTECTED COMPONENT

F1

F2

20 A

Windshield wiper de-icer (Some Models)

F3

30 A

Engine control system

F4

20 A

S-VT

F5

40 A

Engine control system

F6

F7

20 A

Fuel pump

F8

15 A

Engine control system

F9

15 A

Transmission control system

F10

15 A

Engine control system

F11

7.5 A

Air conditioner

F12

15 A

Engine control system

F13

F14

20 A

Front seat warmer (Some Models)

F15

F16

15 A

For protection of various circuits

F17

F18

F19

60 A

Power steering system

F20

15 A

Headlight (LH) 1

F21

15 A

Headlight (RH) 1

F22

15 A

Keyless system

F23

30 A

ABS, Dynamic stability control system

F24

15 A

Headlight (LH) 2

F25

15 A

Headlight (RH) 2

F26

7.5 A

On board diagnostics

F27

25 A

For protection of various circuits

F28

25 A

For protection of various circuits

F29

15 A

Windshield washer

F30

15 A

Accessory sockets

F31

15 A

Horn

F32

15 A

Headlights

F33

F34

10 A

i-ACTIVSENSE

F35

50 A

ABS, Dynamic stability control system

F36

F37

40 A

Rear window defogger

F38

50 A

For protection of various circuits

F39

F40

40 A

Air conditioner

F41

F42

20 A

Windshield wipers

F43

30 A

Cooling fan (Some Models)

F44

30 A

Starter

F45

10 A

Engine control system

F46

15 A

Audio

F47

15 A

For protection of various circuits

F48

7.5 A

Air bag

F49

15 A

Instrument cluster

F50

15 A

Room light

F51

25 A

Audio

F52

10 A

Moonroof (Some Models)

F53

15 A

Engine control system

F54

15 A

i-ACTIVSENSE

F55

F56

15 A

Electric water pump

Fuse block (Left side)

No.

FUSE RATING

PROTECTED COMPONENT

F1

F2

F3

F4

15 A

Power door locks (Driver)

F5

15 A

Power door locks (Passenger)

F6

F7

25 A

Power liftgate (Some Models)

F8

F9

30 A

Power windows (Driver)

F10

30 A

Power windows (Passenger)

F11

30 A

Power seat (Driver) (Some Models)

F12

F13

15 A

Audio

F14

F15

15 A

Liftgate lock

F16

15 A

Illumination

F17

10 A

Brake lights

F18

10 A

Reverse lights

F19

10 A

Rear turn signal lights

F20

10 A

Taillights

F21

10 A

Taillights

F22

7.5 A

Air bag (Some Models)

F23

Inspecting Body Lubrication

All moving points of the body, such as door and hood hinges and locks, should be lubricated each time the engine oil is changed. Use a non-freezing lubricant on locks during cold weather.

 

Make sure the hood's secondary latch keeps the hood from opening when the primary latch is released.

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