CarFactBook Diagnostics V2.3

Start with what the car is doing.

Choose a symptom and, when possible, an exact vehicle code. Work through structured observations first, then compare them with reviewed owner evidence. CarFactBook does not invent a diagnosis or rank a failed part from unsupported anecdotes.

Symptom first

What are you seeing?

Electrical

Won't start / hard starting

Check reviewed reports for Mazda Axela BM5FS.

Electrical

Warning light or message

Check reviewed reports for Mazda Axela BM5FS.

Cooling

Overheating / running hot

Check reviewed reports for Mazda Axela BM5FS.

A/C / climate

A/C not cold

Check reviewed reports for Mazda Axela BM5FS.

Suspension / steering

Vibration / shaking

Check reviewed reports for Mazda Axela BM5FS.

Brakes

Brake problem

Check reviewed reports for Mazda Axela BM5FS.

Hybrid / EV system

Hybrid-system problem

Check reviewed reports for Mazda Axela BM5FS.

Fuel / emissions

Poor fuel economy

Check reviewed reports for Mazda Axela BM5FS.

Choose an exact vehicle

Selected: Mazda Axela BM5FS · 2013–2017

Structured checks

Work through observations, not guesses

0/2 checked
Check 1

Is the warning red, flashing, or accompanied by abnormal vehicle behavior?

Warning severity and vehicle behavior determine whether continued driving may be inappropriate.

Check 2

Is a diagnostic trouble code available?

An exact code is a stronger starting point than the warning lamp alone.

These checks organize observations and safety decisions. They are not a substitute for manufacturer service procedures or a qualified diagnosis, and CarFactBook does not assign a failed part without supporting evidence.

Diagnostic summary

Further evidence required. 0 of 2 observations recorded.

Answers stay on this page until you leave or change vehicle/symptom. Optional saving stores only this session on this browser, separate from Garage and Vehicle Passport. It is not uploaded or shared. Restore explicitly after returning to the same selection; references are refreshed from CarFactBook.

Preparing session summary…

After a mechanic checks the car

Close the loop with the actual diagnosis, repair, part, cost and outcome. The exact vehicle, symptom area and your diagnostic observations are prefilled, but you can edit them before submitting.

Choose an exact vehicle above to prepare a repair-outcome report.Reports remain pending until CarFactBook reviews them. A diagnostic session does not become a confirmed diagnosis automatically.
Mazda Axela BM5FS

Useful references for your exact car

These references relate to the selected symptom. They do not identify a faulty component or recommend replacing it. Confirm equipment, production period and source caveats for your individual car.

Verified facts

12V battery →

Q-85 on SKYACTIV-G 1.5 i-stop models

Battery specification depends on engine and equipment. Confirm i-stop fitment and production period before purchasing.

Mazda Motor Corporation · Verified 2026-09-28

Brake fluid →

Mazda BF-3 (DOT 3)

Brake-fluid replacement timing is shown separately in the maintenance section.

Mazda Motor Corporation · Verified 2026-10-01

Engine coolant →

5.8 L reference capacity (SKYACTIV-G 1.5 automatic 2WD)

Coolant type and replacement interval depend on whether the vehicle carries the Golden coolant mark near the radiator cap.

Mazda Motor Corporation · Verified 2026-10-01

Key fob battery →

CR2025

Mazda recommends dealer replacement to avoid damaging the key. Confirm that your key case matches the manual before opening it.

Mazda Motor Corporation · Verified 2026-09-27

Step-by-step guides

Maintenance

Documented service references; your service history determines what is due.

Long Life Coolant (Golden)

100,000 km / 48 months

For vehicles marked for Mazda Long Life Coolant (Golden), the initial replacement is 180,000 km or 9 years; subsequent replacements are 100,000 km or 4 years, whichever comes first.

Use Golden coolant only where the radiator-cap/vehicle marking calls for it; otherwise follow the applicable Mazda coolant specification.

Mazda Axela BN coolant service data ↗ · Verified 2026-10-02

Advanced-key battery

12 months

Mazda states advanced-key battery life is approximately one year; replace when the green KEY indicator flashes or as needed.

The one-year figure is approximate. Battery life varies with radio-frequency exposure, storage and use; the documented replacement battery remains CR2025 for the covered key type.

Mazda Japan Axela owner manual ↗ · Verified 2026-10-02

Key fob battery replacement

Condition based

Use a CR2025 battery for the documented Axela key fob.

Confirm the key type on the individual vehicle before replacement.

Mazda Japan Axela owner manual ↗ · Verified 2026-10-02

Full exact-car maintenance schedule →

Parts / fitment

Reference specifications, not a shopping list or proof that these parts need replacement. Fitment conditions still apply.

12V battery

Q-85 on SKYACTIV-G 1.5 i-stop models

Battery specification depends on engine and equipment. Confirm i-stop fitment and production period before purchasing.

Mazda Motor Corporation source ↗ · Verified 2026-09-28

Key fob battery

CR2025

Mazda recommends dealer replacement to avoid damaging the key. Confirm that your key case matches the manual before opening it.

Mazda Motor Corporation source ↗ · Verified 2026-09-27

Brake architecture

Ventilated disc front · disc rear

Architecture reference only; exact pads/discs must be matched to the individual vehicle.

Mazda Motor Corporation source ↗ · Verified 2026-10-02

Brake fluid

Mazda BF-3 (DOT 3)

Use Mazda BF-3 / DOT 3 as specified; follow the maintenance schedule for replacement timing.

Mazda Motor Corporation source ↗ · Verified 2026-10-02

Engine coolant

5.8 L reference capacity for SKYACTIV-G 1.5 automatic 2WD

Exact capacity depends on engine/drivetrain configuration. This reference is for SKYACTIV-G 1.5 automatic 2WD.

Mazda Motor Corporation source ↗ · Verified 2026-10-02

Full exact-car parts references →

Reviewed repair evidence

Warning light or message

0 related reports

Reports are matched by related system category for Mazda Axela BM5FS. Compare the recorded symptom and outcome; a repair on another car does not diagnose yours.

No reviewed match yet. CarFactBook will not manufacture a likely cause just to fill this screen. Check the exact vehicle facts or contribute a real repair outcome through Problems.

Browse or contribute reviewed problem & repair evidence →