Diagrams of fuse boxes and relays – Mazda CX-9

Applies to vehicles manufactured in the years:

2022.

 

Fuse block (Engine compartment)

Number	Amperes [A]	Description
1	20 A	Windshield wiper de-icer (Some Models)
2	30 A	For protection of various circuits
3	30 A	Engine control system
4	―	―
5	30 A	―
6	30 A	Power seat (Some Models)
7	―	―
8	20 A	Engine control system
9	40 A	Rear window defogger
10	20 A	Heated steering wheel (Some Models)
11	40 A	Air conditioner
12	20 A	Electric Parking Brake (EPB) (LH)
13	40 A	Audio system
14	20 A	Electric Parking Brake (EPB) (RH)
15	40 A	Engine control system
16	50 A	ABS, Dynamic stability control system
17	50 A	For protection of various circuits
18	20 A	Front window wiper and washer
19	40 A	Air conditioner
20	―	―
21	7.5 A	Engine control system
22	15 A	For protection of various circuits
23	15 A	Headlight low beam (LH)
24	15 A	―
25	15 A	Engine control system
26	15 A	Engine control system
27	15 A	Engine control system
28	15 A	Transaxle control system, Ignition switch
29	20 A	―
30	7.5 A	Air conditioner
31	15 A	―
32	10 A	Brake lights
33	15 A	Rear window wiper, Theft-deterrent system (Some Models)
34	20 A	Headlight high beam
35	15 A	Headlight low beam (RH)
36	15 A	Fog lights (Some Models)
37	7.5 A	Engine control system
38	7.5 A	Audio system (Some Models)
39	10 A	For protection of various circuits
40	15 A	―
41	10 A	Instrument cluster
42	7.5 A	Air bag
43	10 A	Audio system (Some Models)
44	25 A	Audio system
45	30 A	ABS, Dynamic stability control system
46	15 A	Gateway system (Some Models)
47	15 A	Audio system
48	15 A	Parking lights
49	25 A	Fuel system
50	25 A	Hazard warning flashers, Turn signal lights, Taillights
51	15 A	Daytime running lights
52	15 A	Accessory sockets (Some Models)
53	15 A	Horn
54	25 A	For protection of various circuits

 

Fuse block in passenger compartment (Left side)

Number	Amperes [A]	Description
1	30 A	Power seat (Some Models)
2	30 A	Power windows
3	15 A	Accessory sockets
4	25 A	Power windows
5	20 A	Power liftgate (Some Models)
6	25 A	Power door locks
7	20 A	Seat warmer (Some Models)
8	15 A	Trailer hitch (Some Models)
9	10 A	Moonroof (Some Models)
10	15 A	Audio system
11	7.5 A	Engine control system
12	7.5 A	Power control mirror
13	7.5 A	AT shift indicator
14	15 A	Accessory sockets
15	15 A	Accessory sockets (Some Models)
16	15 A	USB power outlet (Some Models)
17	7.5 A	Mirror defogger (Some Models)
18	20 A	Seat warmer (Some Models)
19	15 A	Audio system
20	30 A	Power seat (Some Models)
21	30 A	Power seat (Some Models)