Mazda B-Series (2010) fuse relay box diagram

Mazda B-Series (2010) – fuse box diagram

Year of production: 2010

Passenger compartment fuse panel

The fuse panel is located under the right-hand side of the instrument panel behind the kick panel.

Mazda B-Series - fuse box - passenger compartment

Description Ampere rating [A] Description
1 5 Instrument panel dimmer switch
2 10 Trailer tow park lamps
3 10 Right low beam headlamp
4 10 Left low beam headlamp
5 30 Windshield wiper module (RUN/ACCY)
6 10 Radio (RUN/ACCY), Door switch illumination
7 Not used
8 10 Restraints Control Module (RCM), PADI (Passenger Air bag Deactivation Indicator), Occupant Classification Sensor (OCS)
9 5 Cluster air bag indicator
10 10 Cluster (RUN/START), 4×4 module (RUN/START)
11 10 Passenger compartment fuse panel (Logic power)
12 15 Satellite radioAudiophile subwoofer amplifier, Satellite radio
13 15 Horn, Interior lamps
14 15 High beam headlamp, High beam indicator (cluster)
15 Not Used
16 30 cartridge fuse Power windows
17 15 Turn signals/Hazards
18 Not used
19 20 Center High-Mounted Stop Lamp (CHMSL)/Stop lamps
20 10 Anti-lock brake system (ABS) module, Speed control module, Back-up lamps, Overdrive cancel switch, Electronic flasher (turn)
21 5 Starter relay coil
22 5 Radio (START)
23 30 Headlamps (low and high beam)
24 20 Radio battery feed (B+)
25 Accessory relay (power windows)
26 2 Redundant cruise switch
27 10 Climate control blower relay/blend doors
28 15 4×4 module battery feed (B+)
29 20 Cigar lighter, Diagnostic connector (OBD II)
30 5 Power mirrors
31 20 Front park lamps, Rear park lamps, License plate lamps, Dimmer switch, Trailer tow park lamps
32 5 Brake switch (logic)
33 5 Instrument cluster battery feed (B+)
34 20 Power point
35 15 Power locks

Power distribution box

The power distribution box is located in the engine compartment.

2.3L engine (if equipped)


Mazda B-Series - fuse box - power distribution box (2.3L engine)

Description Ampere rating [A] Description
1 40** Passenger compartment fuse panel
2 Not Used
3 40** Passenger compartment fuse panel
4 Not Used
5 50** Passenger compartment fuse panel
6 Not Used
7 30** Starter solenoid
8 Not Used
9 40** Ignition switch
10 Not Used
11 30** Powertrain Control Module (PCM)
12 Not Used
13 30** Blower motor (climate control)
14 Not Used
15 Not Used
16 Not used
17 40** Anti-lock Brake System (ABS) module
18 Not Used
19 20** Engine fan
20 Not Used
21 10* PCM keep alive power, Canister purge valve solenoid
22 Not Used
23 30* Fuel pump motor, Fuel injectors
24 Not used
25 10* A/C clutch solenoid
26 Not Used
27 Not Used
28 Not used
29 30* Wipers/washer
30 Not used
31 Not used
32 Not Used
33 30* Anti-lock brake system (ABS) module
34 Not Used
35 Not Used
36 Not Used
37 Not Used
38 7,5* Trailer tow (right turn)
39 15* PCM power
40 Not Used
41 10* Automatic transmission
42 7,5* Trailer tow (left turn)
43 20* Engine fan relay coil, A/C relay, Engine sensors, Vapor management valve solenoid
44 15* Ignition coil, Capacitor
45A Not used
45B Not used
46A Fuel pump relay, Fuel injectors relay
46B Not used
47 Engine fan relay
48 Starter relay
49 Not Used
50 Not Used
51 Not Used
52 Not Used
53 Not Used
54 PCM Relay
56 Blower Relay
56A A/C clutch solenoid relay
56B Not used
* Mini Fuses ** Maxi Fuses

3.0L and 4.0L engines (if equipped)


Mazda B-Series - fuse box - power distribution box (3.0L and 4.0L engine)

Description Ampere rating [A] Description
1 40** Passenger compartment fuse panel
2 Not Used
3 40** Passenger compartment fuse panel
4 Not Used
5 50** Passenger compartment fuse panel
6 Not Used
7 30* Starter solenoid
8 Not Used
9 40** Ignition switch
10 Not Used
11 30** Powertrain Control Module (PCM) relay fuse
12 Not Used
13 30** Blower motor (climate control)
14 Not Used
15 Not Used
16 Not Used
17 40** Anti-lock Brake System (ABS) module
18 Not Used
19 Not Used
20 Not Used
21 10* PCM keep alive power, Canister purge valve solenoid
22 Not Used
23 30* Fuel pump motor, Fuel injectors
24 Not Used
25 10* A/C clutch solenoid
26 Not Used
27 20* 4×4 module
28 Not Used
29 30* Wipers/washer
30 Not Used
31 15* Foglamps
32 Not Used
33 30* ABS module
34 Not Used
35 Not Used
36 Not Used
37 Not Used
38 7,5* Trailer tow (right turn)
39 15* PCM power
40 Not Used
41 10* Automatic transmission
42 7,5* Trailer tow (left turn)
43 20* A/C relay coil, Engine sensors, Vapor management valve solenoid, EGR solenoid, Heated PCV
44 15* Ignition coil, Capacitor
45A Not used
45B Not used
46A A/C clutch solenoid
46B Not used
47 PCM relay
48A Fuel pump relay, Fuel injectors relay
48B Fog lamp relay
51 Not Used
52 Not Used
53 Not Used
54 Not Used
55 Blower Relay
56 Starter Relay
* Mini Fuses ** Maxi Fuses

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

The information is provided for informational purposes only. For qualified repair, contact an authorized service center.

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