Mazda B-Series (2002-2006) fuses and relays

 

In this article, we consider the fifth-generation Mazda B-Series (UN) after a facelift, produced from 2002 to 2006. Here you will find fuse box diagrams of Mazda B2300, B3000, B4000 2002, 2003, 2004, 2005 and 2006, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

Fuse Layout Mazda B-Series 2002-2006


Cigar lighter (power outlet) fuses:
2002-3003: the fuses #17 (Cigar Lighter) and #22 (Auxiliary Power Socket) in the passenger compartment fuse box.
Since 2004: fuses #29 (Cigar lighter) and #34 (Powerpoint) in the passenger compartment fuse box.


Fuse box location

Passenger compartment

until 2004:
The fuse panel is located on the left-hand side of the instrument panel facing the driver’s side door.
To remove a fuse use the fuse puller tool provided on the fuse panel cover.The location of the fuses in the passenger compartment: Mazda B2300/B3000/B4000 (2002, 2003)

after 2004:
The fuse panel is located under the right-hand side of the instrument panel behind the kick panel.The location of the fuses in the passenger compartment: Mazda B-Series (2004-2006)

Engine compartment

The power distribution box is located in the engine compartment.The location of the fuses in the engine compartment: Mazda B-Series (1998-2006)

Fuse box diagrams

2002

Passenger compartment

Interior fuse box diagram: Mazda B2300/B3000/B4000 (2002)

Assignment of the fuses in the passenger compartment (2002)

Amp Rating Description
1 5A Power Mirror Switch
2 10A Daytime Running Lights (DRL), Back-up Lamps, Transmission, Passenger Air Bag Deactivation Switch, Blow er Motor Relay
3 7.5A Right Stop/Turn Trailer Tow-Connector
4 Not Used
5 15A 4×4 Control Module
6 Not Used
7 7.5A Left Stop/Turn Trailer Tow-Connector
8 Not Used
9 7.5A Brake Pedal Position Switch
10 7.5A Speed Control Servo/Amplifier Assembly, Generic Electronic Module (GEM), Shift Lock Actuator, Turn Signals
11 7.5A Instrument Cluster, 4×4, Main Light Switch, Central Security Module (CSM)
12 Not Used
13 20A Brake Pedal Position Switch
14 10A or Not Used 10A: If equipped with Anti-Lock Brake System (ABS) Control Module
15 Not Used
16 30A Windshield Wiper Motor, Wiper Hi-Lo Relay, Wiper Run/Park Relay
17 20A Cigar Lighter, Data Link Connector (DLC)
18 Not Used
19 25A PCM Power Diode, Ignition, PATS
20 7.5A Generic Electronic Module (GEM), Radio
21 15A Flasher (Hazard)
22 20A Auxiliary Pow er Socket
23 Not Used
24 7.5A Clutch Pedal Position (CPP) switch, Starter Interrupt Relay
25 Not Used
26 10A Battery Saver Relay, Auxiliary Relay Box, Restraint Central Module (RCM), Generic Electroic Module (GEM), Instrument Cluster
27 Not Used
28 7.5A Generic Electronic Module (GEM), Radio
29 20A Radio
30 Not Used
31 Not Used
32 Not Used
33 15A Headlamps, Daytime Running Lamps (DRL) Module, Instrument Cluster
34 Not Used
35 15A Horn Relay (If Not Equipped with Central Security Module)
36 Not Used

Engine compartment (2.3L)

Under-hood fuse box diagram (2.3L): Mazda B2300/B3000/B4000 (2002)

 

Assignment of the fuses in the engine compartment (2.3L, 2002)

Amp Rating Description
1 50A** I/P Fuse Panel
2 Not Used
3 Not Used
4 Not Used
5 Not Used
6 50A** ABS Pump Motor
7 30A* Powertrain Control Module (PCM)
8 20A* Central Security Module, Power Door Locks, Remote Entry
9 Not Used
10 Not Used
11 50A** Starter Relay, Ignition Switch
12 20A* Power Windows
13 Not Used
14 Not Used
15 Not Used
16 40A** Blower Motor
17 20A** Auxiliary Cooling Fan
18 Not Used
19 Not Used
20 Not Used
21 10 A* PCM Memory
22 Not Used
23 20A* Fuel Pump Motor
24 30A* Headlamps
25 10 A* A/C Clutch Relay
26 Not Used
27 Not Used
28 30A* 4WABS Module
29 Not Used
30 15 A* Trailer Tow
31 20A* Foglamp, Daytime Running Lamps (DRL)
32 Not Used
33 15A* Park Lamp, Central Security Module
34 Not Used
35 Not Used
36 Not Used
37 Not Used
38 10 A* Left Headlamp Low Beam
39 Not Used
40 Not Used
41 20A* Heated Oxygen Sensors
42 10 A* Right Headlamp Low Beam
43 (Resistor)
44 Not Used
45A Wiper High/Low Relay
45B Wiper Park/Run Relay
46A Fuel Pump Relay
46B Trailer Tow Relay
47 Starter Relay
48 Auxiliary Cooling Fan
49 Not Used
50 Not Used
51 Not Used
52 Not Used
53 Powertrain Control Module (PCM) Diode
54 Powertrain Control Module (PCM) Relay
55 Blower Motor Relay
56A A/C Clutch Relay
56B Front Washer Pump Relay
* Mini Fuses
** Maxi Fuses

Engine compartment (3.0L and 4.0L)

Under-hood fuse box diagram (3.0L and 4.0L): Mazda B2300/B3000/B4000 (2002)

 

Assignment of the fuses in the engine compartment (3.0L and 4.0L 2002)

Amp Rating Description
1 50A** I/P Fuse Panel
2 Not Used
3 Not Used
4 Not Used
5 Not Used
6 50A** ABS Control Module
7 30A* Powertrain Control Module (PCM)
8 20A* Central Security Module, Power Door Locks, Remote Entry
9 Not Used
10 Not Used
11 50A** Starter Relay, Ignition Switch
12 20A* Power Window
13 20A* Four Wheel Drive Control Module
14 Not Used
15 Not Used
16 40A** Blower Motor
17 Not Used
18 Not Used
19 Not Used
20 Not Used
21 10 A* PCM Memory
22 Not Used
23 20A* Fuel Pump Motor
24 30A* Headlamps
25 10 A* A/C Clutch Relay
26 Not Used
27 Not Used
28 30A* 4WABS Module
29 Not Used
30 15 A* Trailer Tow
31 20A* Fog lamps, Daytime Running Lamps (DRL)
32 Not Used
33 15 A* Park Lamp, Central Security Module
34 Not Used
35 Not Used
36 Not Used
37 Not Used
38 10 A* Left Headlamp Low Beam
39 Not Used
40 Not Used
41 20A* Heated Oxygen Sensors
42 10 A* Right Headlamp Low Beam
43 Not Used
44 Not Used
45A Wiper High/Low Relay
45B Wiper Park/Run Relay
46A Fuel Pump Relay
46B Trailer Tow Relay
47A A/C Clutch Solenoid Relay
47B Front Washer Pump Relay
48A Fog Lamps Relay
48B Fog Lamp Relay
51 Not Used
52 Not Used
53 Powertrain Control Module (PCM) Diode
54 Powertrain Control Module (PCM) Relay
55 Blower Motor Relay
56 Starter Relay
* Mini Fuses
** Maxi Fuses

2003

Passenger compartment

Interior fuse box diagram: Mazda B2300/B3000/B4000 (2003)

Assignment of the fuses in the passenger compartment (2003)

Amp Rating Description
1 5A Power mirror switch
2 10A Daytime Running Lights (DRL), Back-up lamps, Transmission, Passenger air bag deactivation switch, Blower motor relay
3 7.5A Left stop/turn trailer tow connector
4 Not used
5 15A 4×4 control module
6 2A Brake pressure switch
7 7.5A Right stop/turn trailer tow’ connector
8 Not used
9 7.5A Brake pedal position switch
10 7.5A Speed control servo/amplifier assembly, Generic Electronic Module (GEM), Shift lock actuator, Turn signals, 4×4
11 7.5A Instrument cluster, 4×4, Main light switch, Central Security Module (CSM), Generic Electronic Module (GEM)
12 Not used
13 20A Brake pedal position switch
14 10A Anti-lock Brake System (ABS) control module
15 Not used
16 30A Windshield wiper motor, Wiper HI/LO relay, Wiper run/park relay
17 20A Cigar lighter, Data Link Connector (DLC)
18 Not used
19 25A Powertrain Control Module (PCM) power diode, Ignition, PATS (Passive Anti-Theft System)
20 7.5A Generic Electronic Module (GEM), Radio
21 15A Hazard flasher
22 20A Auxiliary power socket
23 Not used
24 7.5A Clutch Pedal Position (CPP) switch, Starter interrupt relay
25 Not used
26 10A Battery saver relay, Auxiliary relay box, Restraint Central Module (RCM), Generic Electronic Module (GEM), Instrument cluster
27 Not used
28 7.5A Generic Electronic Module (GEM), Radio
29 20A Radio
30 Not used
31 Not used
32 Not used
33 15A Headlamps, Daytime Running Lamps (DRL) module, Instrument cluster
34 Not used
35 15A Horn relay (if not equipped with a Central Security Module)
36 Not used

Engine compartment (2.3L)

Under-hood fuse box diagram (2.3L): Mazda B2300/B3000/B4000 (2003)

 

Assignment of the fuses in the engine compartment (2.3L, 2003)

Amp Rating Description
1 50A** I/P fuse panel
2 Not used
3 Not used
4 Not used
5 Not used
6 50A** Anti-lock Brake System (ABS) pump motor
7 30A* Powertrain Control Module (PCM)
8 20 A* Central security module, Power door locks, Remote entry
9 Not used
10 Not used
11 50A** Starter relay, Ignition switch
12 20 A* Power windows
13 Not used
14 Not used
15 Not used
16 40A** Blower motor
17 20A** Auxiliary cooling fan
18 Not used
19 Not used
20 Not used
21 10 A* PCM memory
22 Not used
23 20 A* Fuel pump motor
24 30A* Headlamps
25 10 A* A/C clutch relay
26 Not used
27 Not used
28 30A* ABS module
29 Not used
30 15 A* Trailer Tow
31 20 A* Foglamp, Daytime Running Lamps (DRL)
32 Not used
33 15A* Park lamp, Central security module
34 Not used
35 Not used
36 Not used
37 Not used
38 10 A* Left headlamp low beam
39 Not used
40 Not used
41 20 A* Heated oxygen sensors
42 10 A* Right headlamp low beam
43 (Resistor)
44 Not used
45A Wiper HI/LO relay
45B Wiper park/run relay
46A Fuel pump relay
46B Trailer tow relay
47 Starter relay
48 Auxiliary cooling fan relay
49 Not used
50 Not used
51 Not used
52 Not used
53 PCM Diode
54 PCM Relay
55 Blower motor relay
56A A/C clutch relay
56B Front washer pump relay
* Mini Fuses
** Maxi Fuses

Engine compartment (3.0L and 4.0L)

Under-hood fuse box diagram (3.0L and 4.0L): Mazda B2300/B3000/B4000 (2003)

 

Assignment of the fuses in the engine compartment (3.0L and 4.0L, 2003)

Amp Rating Description
1 50A** I/P fuse panel
2 Not used
3 Not used
4 Not used
5 Not used
6 50A** Anti-lock Brake System (ABS) Pump Motor
7 30A* Powertrain Control Module (PCM)
8 20 A* Power door locks, Remote entry
9 Not used
10 Not used
11 50A** Starter relay, Ignition switch
12 20 A* Power windows
13 20 A* 4×4 motor
14 Not used
15 Not used
16 40A** Blower motor
17 Not used
18 Not used
19 Not used
20 Not used
21 10 A* Powertrain Control Module (PCM) memory
22 Not used
23 20 A* Fuel pump motor
24 30A* Headlamps
25 10 A* A/C clutch solenoid
26 Not used
27 Not used
28 30A* Anti-lock Brake System (ABS) module
29 Not used
30 15 A* Trailer tow
31 20 A* Foglamps, Daytime Running Lamps (DRL)
32 Not used
33 15 A* Park lamp
34 Not used
35 Not used
36 Not used
37 Not used
38 10 A* Left headlamp low beam
39 Not used
40 Not used
41 20 A* Heated oxygen sensors
42 10 A* Right headlamp low beam
43 Not used
44 Not used
45A Wiper HI/LO relay
45B Wiper park/run relay
46A Fuel pump relay
46B Trailer tow relay
47A A/C clutch solenoid relay
47B Front washer pump relay
48A Fog lamps
48B Fog lamp relay
51 Not used
52 Not used
53 Powertrain Control Module (PCM) Diode
54 Powertrain Control Module (PCM)
55 Blower relay
56 Starter relay
* Mini Fuses
** Maxi Fuses

2004

Passenger compartment

Interior fuse box diagram: Mazda B2300/B3000/B4000 (2004)

Assignment of the fuses in the passenger compartment (2004)

Amp Rating Description
1 5A Instrument panel dimmer switch
2 10A Trailer tow park lamps
3 10A Right low beam headlamp
4 10A Left low beam headlamp
5 30A Windshield wipers/washer
6 10A Radio (RUN/ACCY)
7 5A Headlamp illumination indicator
8 10A Restraints Control Module (RCM), PADI (Passenger Air bag Deactivation Indicator)
9 5A Cluster air bag indicator
10 10A Cluster (RUN/START), 4×4 module (RUN/START)
11 10A Passenger compartment fuse panel (Logic power)
12 Not used
13 15A Horn, Interior lamps
14 15A High beam headlamp, High beam indicator (cluster)
15 One-touch down relay
16 30A cartridge fuse Power windows
17 15A Turn signals/Hazards
18 Not used
19 20A Center High-Mounted Stop Lamp (CHMSL)/Stop lamps
20 10A Anti-lock Brake System (ABS) module, Brake-shift interlock, Speed control module, Back-up lamps, Overdrive cancel switch, Electronic flasher (turn/hazard)
21 5A Starter relay
22 5A Spare
23 30A Headlamps (low and high beam)
24 20A Radio
25 Accessory relay
26 2A Brake pressure switch
27 10A Climate control blower relay/blend doors, 4×4 module
28 15A 4×4 module B+
29 20A Cigar lighter, Diagnostic connector (OBD II)
30 5A Power mirrors
31 20A Front park lamps, Rear park lamps, License plate lamps
32 5A Brake switch (logic)
33 5A Instrument cluster
34 20A Power point
35 15A Power locks

Engine compartment (2.3L)

Under-hood fuse box diagram (2.3L): Mazda B2300/B3000/B4000 (2004)

 

Assignment of the fuses in the engine compartment (2.3L, 2004)

Amp Rating Description
1 50A** Passenger compartment fuse panel
2 Not used
3 50A** Passenger compartment fuse panel
4 Not used
5 50A** Passenger compartment fuse panel
6 Not used
7 40 A** Starter relay fuse
8 Not used
9 40 A** Ignition switch
10 Not used
11 30A** Powertrain Control Module (PCM), Engine sensors
12 Not used
13 30A** Blower motor (climate control)
14 Not used
15 30A** Anti-lock Brake System (ABS) (solenoids)
16 Not used
17 40 A** ABS (motor)
18 Not used
19 20A** Engine fan
20 Not used
21 10 A* PCM
22 Not used
23 20A* Fuel pump
24 Not used
25 10 A* A/C clutch solenoid
26 Not used
27 Not used
28 Not used
29 Not used
30 Not used
31 Not used
32 Not used
33 Not used
34 Not used
35 Not used
36 Not used
37 Not used
38 7.5A* Trailer tow (right turn)
39 Not used
40 Not used
41 15A* HEGOs
42 7.5A* Trailer tow (left turn)
43 Not used
44 Not used
45A Wiper HI/LO relay
45B Wiper Park/Run relay
46A Fuel pump relay
46B Washer pump relay
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
55 Blower relay
56A A/C clutch solenoid relay
56B Not used
* Mini Fuses
** Maxi Fuses

Engine compartment (3.0L and 4.0L)

Under-hood fuse box diagram (3.0L and 4.0L): Mazda B2300/B3000/B4000 (2004)

Assignment of the fuses in the engine compartment (3.0L and 4.0L, 2004)

Amp Rating Description
1 50A** Passenger compartment fuse panel
2 Not used
3 50A** Passenger compartment fuse panel
4 Not used
5 50A** Passenger compartment fuse panel
6 Not used
7 40 A** Starter relay fuse
8 Not used
9 40 A** Ignition switch
10 Not used
11 30A** Powertrain Control Module (PCM) relay fuse
12 Not used
13 30A** Blower motor (climate control)
14 Not used
15 30A** Anti-lock Brake System (ABS) (solenoids)
16 Not used
17 40 A** ABS (motor)
18 Not used
19 Not used
20 Not used
21 10 A* PCM
22 Not used
23 20A* Fuel pump
24 Not used
25 10 A* A/C clutch solenoid
26 Not used
27 20A* 4×4 module
28 Not used
29 Not used
30 Not used
31 15A* Foglamps
32 Not used
33 Not used
34 Not used
35 Not used
36 Not used
37 Not used
38 7.5A* Trailer tow (right turn)
39 Not used
40 Not used
41 15A* HEGOs
42 7.5A* Trailer tow (left turn)
43 Not used
44 Not used
45A Wiper HI/LO relay
45B Wiper Park/Run relay
46A A/C clutch solenoid
46B Washer pump relay
47 PCM relay
48A Fuel pump 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

2005

Passenger compartment

Interior fuse box diagram: Mazda B2300/B3000/B4000 (2005)

Assignment of the fuses in the passenger compartment (2005)

Amp Rating Description
1 5A Instrument panel dimmer switch
2 10A Trailer tow park lamps
3 10A Right low’ beam headlamp
4 10A Left low beam headlamp
5 30A Windshield wipers/washer
6 10A Radio (RUN/ACCY)
7 5A Headlamp illumination indicator
8 10A Restraints Control Module (RCM), PADI (Passenger Air bag Deactivation Indicator)
9 5A Cluster air bag indicator
10 10A Cluster (RUN/START), 4×4 module (RUN/START)
11 10A Smart Junction Box (SJB) (Logic power)
12 Not used
13 15A Horn, Interior lamps
14 15A High beam headlamp, High beam indicator (cluster)
15 One-touch down relay
16 30A cartridge fuse Power windows
17 15A Turn signals/Hazards
18 Not used
19 20A Center High-Mounted Stop Lamp (CHMSL)/Stop lamps
20 10A Anti-lock Brake System (ABS) module, Brake-shift interlock, Speed control module, Back-up lamps, Overdrive cancel switch, Electronic flasher (turn/hazard)
21 5A Starter relay
22 5A Radio (START), 4×4 Neutral sense (manual only)
23 30A Headlamps (low and high beam)
24 20A Radio
25 Accessory relay
26 2A Brake pressure switch
27 10A Climate control blower relay/blend doors, 4×4 module
28 15A 4×4 module B+
29 20A Cigar lighter, Diagnostic connector (OBD II)
30 5A Power mirrors
31 20A Front park lamps, Rear park lamps, License plate lamps
32 5A Brake switch (logic)
33 5A Instrument cluster
34 20A Power point
35 15A Power locks

Engine compartment (2.3L)

Under-hood fuse box diagram (2.3L): Mazda B2300/B3000/B4000 (2005)

 

Assignment of the fuses in the engine compartment (2.3L, 2005)

Amp Rating Description
1 40A** Passenger compartment fuse panel
2 Not used
3 40A** Passenger compartment fuse panel
4 Not used
5 50A** Passenger compartment fuse panel
6 Not used
7 40A** Starter relay fuse
8 Not used
9 40A** Ignition switch
10 Not used
11 30A** Powertrain Control Module (PCM), Engine sensors
12 Not used
13 30A** Blower motor (climate control)
14 Not used
15 Not used
16 Not used
17 40A** ABS (motor)
18 Not used
19 20A** Engine fan
20 Not used
21 10 A* PCM
22 Not used
23 20 A* Fuel pump
24 Not used
25 10 A* A/C clutch solenoid
26 Not used
27 Not used
28 Not used
29 Not used
30 Not used
31 Not used
32 Not used
33 30A* Anti-lock Brake System (ABS) (solenoids)
34 Not used
35 Not used
36 Not used
37 Not used
38 7.5A* Trailer tow (right turn)
39 Not used
40 Not used
41 15 A* HEGOs
42 7.5A* Trailer tow (left turn)
43 Not used
44 Not used
45A Wiper HI/LO relay
45B Wiper Park/Run relay
46A Fuel pump relay
46B Washer pump relay
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
55 Blower relay
56A A/C clutch solenoid relay
56B Not used
* Mini Fuses
** Maxi Fuses

Engine compartment (3.0L and 4.0L)

Under-hood fuse box diagram (3.0L and 4.0L): Mazda B2300/B3000/B4000 (2005)

Assignment of the fuses in the engine compartment (3.0L and 4.0L, 2005)

Amp Rating Description
1 40A** Passenger compartment fuse panel
2 Not used
3 40A** Passenger compartment fuse panel
4 Not used
5 50A** Passenger compartment fuse panel
6 Not used
7 40A** Starter relay fuse
8 Not used
9 40A** Ignition switch
10 Not used
11 30A** Powertrain Control Module (PCM) relay fuse
12 Not used
13 30A** Blower motor (climate control)
14 Not used
15 Not used
16 Not used
17 40A** ABS (motor)
18 Not used
19 Not used
20 Not used
21 10 A* PCM
22 Not used
23 20 A* Fuel pump
24 Not used
25 10 A* A/C clutch solenoid
26 Not used
27 20 A* 4×4 module
28 Not used
29 Not used
30 Not used
31 15 A* Foglamps
32 Not used
33 30A* Anti-lock Brake System (ABS) (solenoids)
34 Not used
35 Not used
36 Not used
37 Not used
38 7.5A* Trailer tow (right turn)
39 Not used
40 Not used
41 15 A* HEGOs
42 7.5A* Trailer tow (left turn)
43 Not used
44 Not used
45A Wiper HI/LO relay
45B Wiper Park/Run relay
46A A/C clutch solenoid
46B Washer pump relay
47 PCM relay
48A Fuel pump 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

2006

Passenger compartment

Interior fuse box diagram: Mazda B2300/B3000/B4000 (2006)

Assignment of the fuses in the passenger compartment (2006)

Amp Rating Description
1 5A Instrument panel dimmer switch
2 10A Trailer tow park lamps
3 10A Right low beam headlamp
4 10A Left low beam headlamp
5 30A Windshield wipers/washer
6 10A Radio (RUN/ACCY)
7 5A Headlamp switch illumination
8 10A Restraints Control Module (RCM), PADI (Passenger Air bag Deactivation Indicator)
9 5A Cluster air bag indicator
10 10A Cluster (RUN/START), 4×4 module (RUN/START)
11 10A Siuarl Junction Box (SJB) (Logic power)
12 Not used
13 15A Horn, Interior lamps
14 15A High beam headlamp, High beam indicator (cluster)
15 One-touch down relay
16 30A cartridge fuse Power windows
17 15A Turn signals/Hazards
18 Not used
19 20A Center High-Mounted Stop Lamp (CHMSL)/Stop lamps
20 10A Anti-lock Brake System (ABS) module, Brake-shift interlock, Speed control module, Back-up lamps, Overdrive cancel switch, Electronic flasher (turn/hazard)
21 5A Starter relay coil
22 5A Radio (START), 4×4 Neutral sense (manual only)
23 30A Headlamps (low and high beam)
24 20A Radio battery feed (B+)
25 Accessory relay
26 2A Brake pressure switch
27 10A Climate control blower relay/blend doors, 4×4 module
28 15A 4×4 module battery feed (B+)
29 20A Cigar lighter, Diagnostic connector (OBD II)
30 5A Power mirrors
31 20A Front park lamps, Rear park lamps, License plate lamps, Dimmer switch, Trailer tow park lamps
32 5A Brake switch (logic)
33 5A Instrument cluster battery feed (B+)
34 20A Power point
35 15A Power locks

Engine compartment (2.3L)

Under-hood fuse box diagram (2.3L): Mazda B2300/B3000/B4000 (2006)

 

Assignment of the fuses in the engine compartment (2.3L, 2006)

Amp Rating Description
1 40A** Passenger compartment fuse panel
2 Not used
3 40A** Passenger compartment fuse panel
4 Not used
5 50A** Passenger compartment fuse panel
6 Not used
7 40A** Starter solenoid
8 Not used
9 40A** Ignition switch
10 Not used
11 30A** Powertrain Control Module (PCM), Engine sensors
12 Not used
13 30A** Blower motor (climate control)
14 Not used
15 Not used
16 Not used
17 40A** ABS (motor)
18 Not used
19 20A** Engine fan
20 Not used
21 10A* PCM keep alive power
22 Not used
23 20A* Fuel pump
24 Not used
25 10A* A/C clutch solenoid
26 Not used
27 Not used
28 Not used
29 Not used
30 Not used
31 Not used
32 Not used
33 30A* Anti-lock Brake System (ABS) (solenoids)
34 Not used
35 Not used
36 Not used
37 Not used
38 7.5A* Trailer tow (right turn)
39 Not used
40 Not used
41 15 A* HEGOs
42 7.5A* Trailer tow (left turn)
43 Not used
44 Not used
45A Wiper HI/LO relay
45B Wiper Park/Run relay
46 A Fuel pump relay
46B Washer pump relay
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
55 Blower relay
56A A/C clutch solenoid relay
56B Not used
* Mini Fuses
** Maxi Fuses

Engine compartment (3.0L and 4.0L)

Under-hood fuse box diagram (3.0L and 4.0L): Mazda B2300/B3000/B4000 (2006)

Assignment of the fuses in the engine compartment (3.0L and 4.0L, 2006)

Amp Rating Description
1 40A** Passenger compartment fuse panel
2 Not used
3 40A** Passenger compartment fuse panel
4 Not used
5 50A** Passenger compartment fuse panel
6 Not used
7 40A** Starter solenoid
8 Not used
9 40A** Ignition switch
10 Not used
11 30A** Powertrain Control Module (PCM) relay fuse
12 Not used
13 30A** Blower motor (climate control)
14 Not used
15 Not used
16 Not used
17 40A** ABS (motor)
18 Not used
19 Not used
20 Not used
21 10A* PCM keep alive power
22 Not used
23 20A* Fuel pump
24 Not used
25 10A* A/C clutch solenoid
26 Not used
27 20A* 4×4 module
28 Not used
29 Not used
30 Not used
31 15 A* Foglamps
32 Not used
33 30A* Anti-lock Brake System (ABS) (solenoids)
34 Not used
35 Not used
36 Not used
37 Not used
38 7.5A* Trailer tow (right turn)
39 Not used
40 Not used
41 15 A* HEGOs
42 7.5A* Trailer tow (left turn)
43 Not used
44 Not used
45A Wiper HI/LO relay
45B Wiper Park/Run relay
46A A/C clutch solenoid
46B Washer pump relay
47 PCM relay
48A Fuel pump 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


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