Mazda CX-9 (2016-2023) fuses

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In this article, we consider the second-generation Mazda CX-9 (TC), available from 2016 to the present. Here you will find fuse box diagrams of Mazda CX-9 2016, 2017, 2018, 2019, 2020, 2021, 2022, and 2023, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout).

See other Mazda CX-9:

Mazda CX-9 (2006-2015)…>>

Fuse Layout Mazda CX-9 2016-2023

Cigar lighter (power outlet) fuses: #3 “R.OUTLET3”, #14 “F.OUTLET”, #15 (since 2018) “R.OUTLET1” in the passenger compartment fuse box, and fuse #52 “R.OUTLET2” in the engine compartment fuse box.

Table of Contents

Fuse box location

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

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.

Passenger compartment

The fuse box is located on the left side of the vehicle.

Fuse box in the engine compartment

Fuse box diagrams

2016, 2017

Engine compartment

Assignment of the fuses in the engine compartment (2016, 2017)

№	DESCRIPTION	AMP RATING	PROTECTED COMPONENT
1	WIPER.DEI	20 A	—
2	IG2	30 A	For protection of various circuits
3	INJECTOR	30 A	Engine control system
4	—	—	—
5	P. WINDOW 1	30 A	Power windows (Some models)
6	—	—	—
7	—	—	—
8	EVVT	20 A	Engine control system
9	DEFOG	40 A	Rear window defogger
10	—	—	—
11	R.HEATER	40 A	Air conditioner
12	EPB L	20 A	Electric parking brake (LH)
13	AUDIO	40 A	Audio system
14	EPB R	20 A	Electric parking brake (RH)
15	ENG.MAIN	40 A	Engine control system
16	ABS/DSC M	50 A	ABS, Dynamic stability control system
17	CABIN.+B	50 A	For protection of various circuits
18	WIPER	20 A	Front window wiper and washer
19	HEATER	40 A	Air conditioner
20	—	—	—
21	ENGINE.IG1	7.5 A	Engine control system
22	C/U IG1	15 A	For protection of various circuits
23	H/L LOW L	15 A	Headlight low beam (LH)
24	H/L LOW R1	15 A	—
25	ENGINE3	15 A	Engine control system
26	ENG1NE2	15 A	Engine control system
27	ENGINE1	15 A	Engine control system
28	AT	15 A	Transaxle control system
29	H/CLEAN	20 A	—
30	A/C	7.5 A	Air conditioner
31	AT PUMP	15 A	—
32	STOP	10 A	Brake lights
33	R.WIPER	15 A	Rear window wiper
34	H/L HI	20 A	Headlight high beam
35	H/L LOW R2	15 A	Headlight low beam (RH)
36	FOG	15 A	Fog lights (Some models)
37	ENG.+B	7.5 A	Engine control system
38	AUDIO2	7.5 A	Audio system
39	INTERIOR	10 A	Overhead light
40	METER2	15 A	—
41	METER1	10 A	Instrument cluster
42	SRS1	7.5 A	Air bag
43	AUDIO4	10 A	Audio system (Some models)
44	AUDIO1	25 A	Audio system
45	ABS/DSC S	30 A	ABS, Dynamic stability control system
46	—	—	—
47	ST.HEATER	15 A	Heated steering wheel (Some models)
48	TAIL	15 A	Parking lights
49	FUEL PUMP2	25 A	Fuel system
50	HAZARD	25 A	Hazard warning flashers, Turn signal lights, Taillights
51	DRL	15 A	Daytime running lights
52	R.OUTLET2	15 A	Accessory sockets
53	HORN	15 A	Horn
54	ROOM	25 A	For protection of various circuits

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Passenger compartment

Assignment of the fuses in the passenger compartment (2016, 2017)

№	DESCRIPTION	AMP RATING	PROTECTED COMPONENT
1	P.SEAT D	30 A	Power seat (Some models)
2	P.WINDOW3	30 A	Power windows (Some models)
3	R.OUTLET3	15 A	Accessory sockets
4	P.WINDOW2	25 A	Power windows
5	PLG	20 A	Power liftgate
6	D.LOCK	25 A	Power door locks
7	SEAT WARM	20 A	Seat warmer
8	SRS2/ESCL	15 A	—
9	SUNROOF	10 A	Moonroof
10	INTERIOR2	15 A	Audio system
11	ENG+BB	7.5 A	Engine control system
12	MIRROR	7.5 A	Power control mirror
13	AT IND	7.5 A	AT shift indicator
14	F.OUTLET	15 A	Accessory sockets
15	R.OUTLET1	15 A	—
16	—	—	—
17	M.DEF	7.5 A	Mirror defogger
18	—	—	—
19	AUDIO3	15 A	Audio system
20	—	—	—
21	P.SEAT P	30 A	Power seat (Some models)

2018, 2019, 2020, 2021, 2022, 2023

Engine compartment

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Assignment of the fuses in the engine compartment (2018-2023)

№	DESCRIPTION	AMP RATING	PROTECTED COMPONENT
1	WIPER. DEI	20 A	Windshield wiper de-icer (Some models)
2	IG2	30 A	For protection of various circuits
3	INJECTOR	30 A	Engine control system
4	—	—	—
5	P. WINDOW 1	30 A	—
6	P.SEAT RL	30 A	2018-2019: Not Used; 2020-2023: Power seat
7	—	—	—
8	EVVT	20 A	Engine control system
9	DEFOG	40 A	Rear window defogger
10	ST.HEATER2	20 A	2018-2019: Not Used; 2020-2023: Heated steering wheel
11	R.HEATER	40 A	Air conditioner
12	EPB L	20 A	Electric parking brake (EPB) (LH)
13	AUDIO	40 A	Audio system
14	EPB R	20 A	Electric parking brake (EPB) (RH)
15	ENG.MAIN	40 A	Engine control system
16	ABS/DSC M	50 A	ABS, Dynamic stability control system
17	CABIN.+B	50 A	For protection of various circuits
18	WIPER	20 A	Front window wiper and washer
19	HEATER	40 A	Air conditioner
20	—	—	—
21	ENGINE.IG1	7.5 A	Engine control system
22	C/U IG1	15 A	For protection of various circuits
23	H/L LOW L	15 A	Headlight low beam (LH)
24	H/L LOW R1	15 A	—
25	ENGINE3	15 A	Engine control system
26	ENGINE2	15 A	Engine control system
27	ENGINE1	15 A	Engine control system
28	AT	15 A	2018: Transaxle control system; 2019-2023: Transaxle control system, Ignition switch
29	H/CLEAN	20 A	—
30	A/C	7.5 A	Air conditioner
31	AT PUMP	15 A	—
32	STOP	10 A	Brake lights
33	R.WIPER	15 A	2018: Rear window wiper; 2019-2023: Rear window wiper, Theft-deterrent system (Some models)
34	H/L HI	20 A	Headlight high beam
35	H/L LOW R2	15 A	Headlight low beam (RH)
36	FOG	15 A	Fog lights (Some models)
37	ENG.+B	7.5 A	Engine control system
38	AUDIO2	7.5 A	Audio system (Some models)
39	INTERIOR	10 A	2018: Overhead light; 2019-2021: For protection of various circuits
40	METER2	15 A	—
41	METER1	10 A	Instrument cluster
42	SRS1	7.5 A	Air bag
43	AUDIO4	10 A	Audio system (Some models)
44	AUDIO1	25 A	Audio system (Some models)
45	ABS/DSC S	30 A	ABS, Dynamic stability control system
46	VMC	15 A	2021-2023: Gateway system
47	ST.HEATER	15 A	2018-2019: Heated steering wheel (Some models); 2020: Not Used; 2021-2023: Audio system
48	TAIL	15 A	Parking lights
49	FUEL PUMP2	25 A	Fuel system
50	HAZARD	25 A	Hazard warning flashers, Turn signal lights, Taillights
51	DRL	15 A	Daytime running lights
52	R.OUTLET2	15 A	Accessory sockets
53	HORN	15 A	Horn
54	ROOM	25 A	For protection of various circuits

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Passenger compartment

Assignment of the fuses in the passenger compartment (2018-2023)

№	DESCRIPTION	AMP RATING	PROTECTED COMPONENT
1	P.SEAT D	30 A	Power seat (Some models)
2	P.WINDOW3	30 A	Power windows
3	R.OUTLET3	15 A	Accessory sockets
4	P.WINDOW2	25 A	Power windows
5	PLG	20 A	Power liftgate (Some models)
6	D.LOCK	25 A	Power door locks
7	SEAT WARM	20 A	Seat wanner (Some models)
8	SRS2/ESCL	15 A	Trailer hitch (Some models)
9	SUNROOF	10 A	Moonroof (Some models)
10	INTERIOR2	15 A	Audio system
11	ENG+BB	7.5 A	Engine control system
12	MIRROR	7.5 A	Power control mirror
13	AT IND	7.5 A	AT shift indicator
14	F.OUTLET	15 A	Accessory sockets
15	R.OUTLET1	15 A	Accessory sockets (Some models)
16	USB	15 A	2018-2019: Not Used; 2020-2023: USB power outlet
17	M.DEF	7.5 A	Mirror defogger (Some models)
18	R.SEAT.WARM	20 A	Seat wanner (Some models)
19	AUDIO3	15 A	Audio system
20	P.SEAT RR	30 A	2018-2019: Not Used; 2020-2023: Power seat
21	P.SEAT P	30 A	Power seat (Some models)

Learn more:

How to check the fuses?

How to replace a blown fuse?

Why do car fuses blow?

Types of automotive fuses

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