Mazda CX-9 – fuses and relays

The Mazda CX-9 all-wheel drive crossover has been produced in two generations since 2007. The Mazda CX-9 TB , the first generation, was delivered to the markets in 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 and 2016. The second generation, the Mazda CX-9 TC , was assembled in 2017, 2018, 2019, 2020, 2021 and to the present. In this article you will find information describing the fuses and relays of the Mazda CX9 with block diagrams and their locations for two generations. We note the cigarette lighter fuse.

The design of the blocks and the number of elements in them may differ from the one presented and depend on the year of manufacture and equipment level. Check your diagrams, and in case of difficulties, contact your nearest dealer.

Cabin block

First generation

It is located under the panel behind the glove compartment; to access it, you need to open the protective cover behind the arrow.

Description

1	15A OUTLET FR – Accessory socket (front), cigarette lighter
2	7.5A MIRROR – Mirrors and their controls
3	Reserve
4	10A METER – Instrument panel
5	7.5A SAS – ABS, airbag
6	7.5A ENG.IGA – Engine Management System
7	7.5A STA – Ignition system
8	Reserve
9	7.5A A/C – Air conditioner
10	15A R.WIPER – Rear window wiper and washer
11	TRAILER – Priced device
12	20A P.LIFT GATE – Gate with mechanical lift
13	15A SUNROOF – Sunroof
14	10A AUDIO – Audio system
15	10A M.DEF – Heated mirrors
16	25A P/W – Power windows (passenger side)
17	10A TAIL – Dimensions, Taillight
18	10A ILLUMI – Instrument panel lighting
19	7.5A INJ – Engine Management System
20	Reserve
21	OUTLET CTR – Accessory connector
22	OUTLET RR – Rear accessory outlet
23	30A WIPER – Windshield wiper and washer
24	30A P.WIND – Power windows (driver’s side)

The fuses marked OUTLET are responsible for the operation of cigarette lighters.

Second generation

It is installed under a protective cover on the left pillar near the driver’s foot.

Transcript

1	30A P.SEAT D – Electric seat adjustment drive (for some versions)
2	30A P.WINDOW 3 – Electric windows
3	15A R.OUTLET3 – Additional electrical outlets
4	25A P.WINDOW 2 – Electric windows
5	20A PLG – Power tailgate
6	25A D.LOCK – Central electric lock
7	20A SEAT WARM – Electric seat heating (for some versions)
8	15A SRS2/ESCL – Passive safety, airbags
9	10A SUNROOF – Sunroof (for some versions)
10	10/15A INTERIOR2 – Audio system
11	7.5A ENG+BB – Engine Management System
12	7.5A MIRROR – Electric drive for adjusting rear-view mirrors
13	7.5A AT IND – Gear shift indicator
14	15A F.OUTLET – Cigarette lighter, electrical outlets
15	15A R.OUTLET1 – Rear electrical outlets (for some versions)
16	Reserve
17	7.5A M.DEF – Electric heated exterior mirrors
18	Reserve
19	15A AUDIO3 – Audio system
20	Reserve
21	30A P.SEAT P – Electric seat adjustment drive

The cigarette lighter fuses are marked OUTLET at 15A and are located under numbers 3, 14 and 15. Another fuse and relays responsible for the operation of the power outlets can also be mounted in the unit under the hood.

Blocks under the hood

In both generations, the unit is located on the left side of the engine compartment next to the battery.

First generation

example

Appointment

1	150A MAIN – Protection of all electrical circuits
2	20A ENGINE – Engine control system
3	40A R HEATER – Rear heater
4	40A P.SEAT R – Electric drive for adjusting the right seat
5	50A HEATER – Heater
6	40A IGKEY2 – Protection of various electrical circuits
7	30/40A FAN1 – Engine radiator cooling fan
8	40A P.SEAT L – Electric drive for adjusting the left seat
9	30A DEFOG – Electric rear window heater
10	40A BTN – Protection of various electrical circuits
11	30A FUEL PUMP – Fuel pump
12	30A IGKEY1 – Protection of various electrical circuits
13	15A FOG – Fog lights
14	30A ABS (SOL) – ABS unit solenoid
15	25A D/L – Central electric lock
16	15A ROOM – Upper interior lighting lamps
17	15A OUTLET CTR – Power outlet for additional equipment
18	25A ACC – Electrical socket
19	15A AC PWR – Power supply hatch, inverter
20	15A S.WARM – Electric seat heater
21	10A A.CMAG – Air conditioner
22	25A BOSE – Audio system (cars equipped with BOSE audio system)
23	30/40A FAN 2 – Engine radiator cooling fan
24	50A ABS – Anti-lock Braking System (ABS)
25	25A IGCOIL – Ignition system
26	15A H/L LOW L – Left low beam headlight
27	15A H/L LOW R – Right low beam headlight
28	20A H/L HIGH – High beam headlights
29	15A HAZARD – Emergency light signal
30	10A ENG+B – PCM control unit
31	15A HORN – Sound signal
32	7.5A STOP – Stop signals
33	10A EG I INJ – Engine Management System
34	20A ENG BAR – Air flow sensor, exhaust gas recirculation valve
35	7.5A ENG BAR2 – PCM control unit

• R1 FUEL PUMP RELAY – Fuel pump relay
• R2 EGI MAIN RELAY – Main engine control relay

Additional elements can be mounted outside these blocks, for example, there may be another relay block to the right of the engine compartment.

Second generation

Photo – example of execution

Scheme

Marking

1	20A WIPER.DEI – windshield wiper deicer
2	30A IG2 – For protection of various circuits
3	30A INJECTOR – Engine control system, injection
4	Reserve
5	30A P. WINDOW 1 – Glass lifts
6	30A W. SEAT – Power Seat
7	Rezera
8	20A EVVT – Engine Management System
9	40A DEFOG – Heated rear window
10	20A Heated steering wheel
11	40A R.HEATER – Air conditioner
12	20A EPB L – Electric Parking Brake (EPB) (LH)
13	40A AUDIO – Audio system
14	20A EPB R – Electric Parking Brake (EPB) (RH)
15	40A ENG.MAIN – Engine control system
16	50A ABS/DSC M – ABS, Dynamic Stability Control System
17	50A CABIN.+B – For protection of various circuits
18	20A WIPER – Windshield wiper and washer
19	40A HEATER – Air conditioner
20	Reserve
21	7.5A ENGINE.IG1 – Engine management system
22	15A C/U IG1 – For protection of various circuits
23	15A H/L LOW L – Low beam headlights – left
24	15A H/L LOW R – Low beam headlights – right
25	15A ENGINE3 – Engine management system
26	15A ENG1NE2 – Engine Management System
27	15A ENG1NE1 – Engine Management System
28	15A AT – Transmission control system, Ignition switch.
29	20A H/CLEAN – Headlight cleaner/washer
30	7.5A A/C – Air conditioner
31	15А AT PUMP
32	10A STOP – Stop signals
33	15A R.WIPER – Rear window wiper, Anti-theft system
34	20A H/L HI – High beam headlights
35	15A H/L LOW R2 – Low beam headlights (right)
36	15A FOG – Fog lights (some models)
37	7.5A ENG.+B – Engine control system
38	7.5A AUDIO2 – Audio system (some models)
39	10A INTERIOR – Light, For protection of various circuits
40	15A METER2 – Instrument panel
41	10A METER1 – Instrument panel
42	7.5A SRS1 – Airbag
43	10A AUDIO4 – Audio system (some models)
44	25A AUDIO1 – Audio system
45	30A ABS/DSC S – ABS, Dynamic Stability Control System
46	Reserve
47	15A ST.HEATER – Steering wheel heating
48	15A TAIL – Dimensions, Parking lights
49	25A FUEL PUMP2 – Fuel system
50	25A HAZARD – Hazard warning lights, turn signals, tail lights
51	15A DRL – Daytime Running Lights
52	15A R.OUTLET2 – Accessory sockets
53	15A HORN – Signal
54	25A ROOM – Interior and trunk lighting

To turn off the headlight washer, you need to remove fuse number 29 at 20A marked H/CLEAN .