2020 - 2021 Mazda CX-30 Fuse Panel Diagram

2020 Mazda CX 30

 Fuses

Your vehicle's electrical system is protected by fuses. If any lights, accessories, or controls do not work, inspect the appropriate circuit protector. If a fuse has blown, the inside element will be melted. If the same fuse blows again, avoid using that system and consult an Authorized Mazda Dealer as soon as possible.

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 ignition is switched off, and other switches are off.
2. Open the fuse panel cover.

 

Fuse Panel on the vehicle's left side

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

Fuse Puller

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

 

1. Normal Fuse  ,  2. Blown Fuse

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.

CAUTION
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 ignition is switched off, and other switches are off.
2. Remove the fuse block cover.

 Fuse Box under the hood

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

 

1. Normal Fuse  ,  2. Blown Fuse

WARNING
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.
 

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

 

Fuse Panel Description

Fuse block (Engine compartment)

Engine compartment Fuse panel Diagram

No.	FUSE RATING	.. PROTECTED COMPONENT
F1	―	―
F2	20 A	Windscreen wiper de-icer (Some Models)
F3	30 A	Engine control system (Some Models)
	20 A/30 A	Injector (Some Models) (2021 Model - None)
F4	20 A	S-VT (Some Models)
F5	40 A	Engine control system
F6	20 A	S-VT (Some Models)
F7	15 A	Fuel warmer (Some Models)
	20 A	Fuel pump (Some Models)
F8	15 A	Engine control system
F9	15 A	Transmission control system (Some Models)
F10	15 A	Engine control system
F11	7.5 A	Air conditioner
F12	15 A	Engine control system
F13	15 A	NOx sensor (Some Models)
F14	20 A	Front seat warmer (Some Models)
F15	20 A	Headlight washer (Some Models)
F16	15 A	For protection of various circuits
F17	―	―
F18	15 A	Accessory sockets
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	Windscreen washer
F30	―	―
F31	15 A	Horn
F32	15 A	Headlights
F33	―	―
F34	―	―
F35	50A	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 (A/C)
F41	―	―
F42	20 A	Windscreen wiper
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	Sunroof (Some Models)
F53	15 A	Engine control system
F54	15 A	i-ACTIVSENSE
F55	50 A	For protection of various circuits (Some Models)
F56	50 A	―

 

Fuse block (Left side)

 

Left side Fuse Panel Diagram

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 direction indicator lights
F20	10 A	Tail lights
F21	10 A	Tail lights
F22	7.5 A	Electric steering lock (2021 Model - Air bag (some models))
F23	―	―

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