Mazda B-Series  (2003) – fuse box diagram

28 July 2019 admin B-Series, Mazda 0

Mazda B-Series  (2003) – fuse box diagram

Year of production: 2003

Passenger compartment fuse panel

The fuse panel is located on the left-hand side of the instrument panel facing the driver’s side door.

Mazda B-Series - fuse box - passenger compartment
Mazda B-Series – fuse box – passenger compartment
Description Ampere rating [A] Description
1 5 Power Mirror Switch
2 10 Daytime Running Lights (DRL), Back-up lamps, Transmission, Passenger air bag deactivation switch, Blower motor relay
3 7,5 Left stop/turn trailer tow connector
4 — Not Used
5 15 4×4 Control Module
6 2 Brake pressure switch
7 7,5 Right stop/turn trailer tow connector
8 — Not Used
9 7,5 Brake Pedal Position Switch
10 7,5 Speed control servo/amplifier assembly, Generic Electronic Module (GEM), Shift lock actuator, Turn signals, 4×4
11 7,5 Instrument cluster, 4×4, Main light switch, Central Security Module (CSM), Generic Electronic Module (GEM)
12 — Not Used
13 20 Brake Pedal Position Switch
14 10 Anti-Lock Brake System (ABS) Control Module
15  — Not Used
16 30 Windshield wiper motor, Wiper HI/LO relay, Wiper run/park relay
17 20 Cigar Lighter, Data Link Connector (DLC)
18 — Not Used
19 25 Powertrain Control Module (PCM) power diode, Ignition, PATS (Passive Anti-Theft System)
20 7,5 Generic Electronic Module (GEM), Radio
21 15 Hazard flasher
22 20 Auxiliary Power Socket
23 — Not Used
24 7,5 Clutch Pedal Position (CPP) switch, Starter Interrupt Relay
25 — Not Used
26 10 Battery Saver Relay, Auxillary Relay Box, Restraint Central Module (RCM), Generic Electroic Module (GEM), Instrument Cluster
27 — Not Used
28 7,5 Generic Electronic Module (GEM), Radio
29 20 Radio
30 — Not Used
31 — Not Used
32 — Not Used
33 15 Headlamps, Daytime Running Lamps (DRL) Module, Instrument Cluster
34 — Not Used
35 15 Horn Relay (If Not Equipped with Central Security Module)
36 — Not Used

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)
Mazda B-Series – fuse box – power distribution box (2.3L engine)
Description Ampere rating [A] Description
1 50** I/P Fuse Panel
2 — Not Used
3 — Not Used
4 — Not Used
5 — Not Used
6 50** Anti-lock Brake System (ABS) pump motor
7 30* Powertrain Control Module (PCM)
8 20* Central Security Module, Power Door Locks, Remote Entry
9 — Not Used
10 — Not Used
11 50** Starter Relay, Ignition Switch
12 20* Power Windows
13 — Not Used
14 — Not Used
15 — Not Used
16 40** Blower Motor
17 20** Auxiliary Cooling Fan
18 — Not Used
19 — Not Used
20 — Not Used
21 10* PCM Memory
22 — Not Used
23 20* Fuel Pump Motor
24 30* Headlamps
25 10* A/C Clutch Relay
26 — Not Used
27 — Not Used
28 30* 4WABS Module
29 — Not Used
30 15* Trailer Tow
31 20* Foglamp, Daytime Running Lamps (DRL)
32 — Not Used
33 15* Park Lamp, Central Security Module
34 — Not Used
35 — Not Used
36 — Not Used
37 — Not Used
38 10* Left Headlamp Low Beam
39 — Not Used
40 — Not Used
41 20* Heated Oxygen Sensors
42 10* 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 — PCM Diode
54 — PCM Relay
56 — Blower Motor Relay
56A — A/C Clutch Relay
56B — Front Washer Pump Relay
* 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)
Mazda B-Series – fuse box – power distribution box (3. 0L and 4.0L engine)
Description Ampere rating [A] Description
1 50** I/P Fuse Panel
2 — Not Used
3 — Not Used
4 — Not Used
5 — Not Used
6 50** Anti-lock Brake System (ABS) Pump Motor
7 30* Powertrain Control Module (PCM)
8 20* Power door locks, Remote entry
9 — Not Used
10 — Not Used
11 50** Starter Relay, Ignition Switch
12 20* Power Windows
13 20* 4×4 motor
14 — Not Used
15 — Not Used
16 40** Blower Motor
17 — Not Used
18 — Not Used
19 — Not Used
20 — Not Used
21 10* Powertrain Control Module (PCM) memor
22 — Not Used
23 20* Fuel Pump Motor
24 30* Headlamps
25 10* A/C Clutch Relay
26 — Not Used
27 — Not Used
28 30* Anti-lock Brake System (ABS) module
29 — Not Used
30 15* Trailer Tow
31 20* Foglamp, Daytime Running Lamps (DRL)
32 — Not Used
33 15* Park Lamp
34 — Not Used
35 — Not Used
36 — Not Used
37 — Not Used
38 10* Left Headlamp Low Beam
39 — Not Used
40 — Not Used
41 20* Heated Oxygen Sensors
42 10* 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
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

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

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