Fuse and relay box diagrams – Mazda B series
Applies to vehicles manufactured over the years:
2003.
Passenger compartment fuse panel
The fuse panel is located on the left side of the instrument panel, opposite the driver’s side door.
| Number | Amps [A] | Description |
| 1 | 5 | Mirror power switch |
| 2 | 10 | Daytime running lights (DRL), reversing lights, gearbox, passenger airbag switch, fan motor relay |
| 3 | 7,5 | Left hitch for towing with stop/turn function |
| 4 | – | Not used |
| 5 | 15 | 4×4 control module |
| 6 | 2 | Brake pressure switch |
| 7 | 7,5 | Right hand hitch for towing a stop/rotation trailer2zagr |
| 8 | – | Not used |
| 9 | 7,5 | Brake pedal position switch |
| 10 | 7,5 | Servo unit/speed control amplifier, general electronic module (GEM), shift lock actuator, steering indicators, 4×4 |
| 11 | 7,5 | Instrument cluster, 4×4, main light switch, central safety module (CSM), general electronics module (GEM) |
| 12 | – | Not used |
| 13 | 20 | Brake pedal position switch |
| 14 | 10 | Antilock brake system control module (ABS) |
| 15 | – | Not used |
| 16 | 30 | Wiper motor, HI/LO wiper relay, wiper operation/parking relay |
| 17 | 20 | Cigarette 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 | General Electronic Module (GEM), radio |
| 21 | 15 | Warning Signal |
| 22 | 20 | Additional electrical socket |
| 23 | – | Not used |
| 24 | 7,5 | Clutch pedal position switch (CPP), start interruption relay |
| 25 | – | Not used |
| 26 | 10 | Battery saver relay, auxiliary relay box, central limiter module (RCM), general electrical module (GEM), instrument panel |
| 27 | – | Not used |
| 28 | 7,5 | General Electronic Module (GEM), radio |
| 29 | 20 | Radio |
| 30 | – | Not used |
| 31 | – | Not used |
| 32 | – | Not used |
| 33 | 15 | Headlights, daytime running light (DRL) module, instrument panel |
| 34 | – | Not used |
| 35 | 15 | Horn relay (if not equipped with central safety module) |
| 36 | – | Not used |
Power Distribution Box
The power distribution box is located in the engine compartment.
2.3 l engine (if equipped)
| Number | Amps [A] | Description |
| 1 | 50** | I/P Fuse Panel |
| 2 | – | Not used |
| 3 | – | Not used |
| 4 | – | Not used |
| 5 | – | Not used |
| 6 | 50** | Pump motor anti-lock braking system (ABS) |
| 7 | 30* | Powertrain Control Module (PCM) |
| 8 | 20* | Central security module, door locks, remote entry |
| 9 | – | Not used |
| 10 | – | Not used |
| 11 | 50** | Starter relay, ignition switch |
| 12 | 20* | Supply of windows |
| 13 | – | Not used |
| 14 | – | Not used |
| 15 | – | Not used |
| 16 | 40** | Fan 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* | Headlights |
| 25 | 10* | A/C Clutch Relay |
| 26 | – | Not used |
| 27 | – | Not used |
| 28 | 30* | 4WABS Module |
| 29 | – | Not used |
| 30 | 15* | Towing Trailer |
| 31 | 20* | Fog lamp, daytime running lights (DRL) |
| 32 | – | Not used |
| 33 | 15* | Parking light, central security module |
| 34 | – | Not used |
| 35 | – | Not used |
| 36 | – | Not used |
| 37 | – | Not used |
| 38 | 10* | Dipped-beam headlight on the left |
| 39 | – | Not used |
| 40 | – | Not used |
| 41 | 20* | Heated oxygen sensors |
| 42 | 10* | Dipped-beam headlight on the right |
| 43 | – | (Resistor) |
| 44 | – | Not used |
| 45A | – | High/low wiper relay |
| 45B | – | Parking/wiper relay |
| 46A | – | Fuel Pump Relay |
| 46B | – | Trailer Trailer Relay |
| 47 | – | Startup 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 windshield washer pump relay |
| * Mini fuses ** Maxi fuses | ||
3.0L and 4.0L engines (if equipped)
| Number | Amps [A] | Description |
| 1 | 50** | I/P Fuse Panel |
| 2 | – | Not used |
| 3 | – | Not used |
| 4 | – | Not used |
| 5 | – | Not used |
| 6 | 50** | Pump motor anti-lock braking system (ABS) |
| 7 | 30* | Powertrain Control Module (PCM) |
| 8 | 20* | Electric door locks, remote entry |
| 9 | – | Not used |
| 10 | – | Not used |
| 11 | 50** | Starter relay, ignition switch |
| 12 | 20* | Supply of windows |
| 13 | 20* | 4×4 Engine |
| 14 | – | Not used |
| 15 | – | Not used |
| 16 | 40** | Fan motor |
| 17 | – | Not used |
| 18 | – | Not used |
| 19 | – | Not used |
| 20 | – | Not used |
| 21 | 10* | Powertrain Control Module Memory (PCM) |
| 22 | – | Not used |
| 23 | 20* | Fuel pump motor |
| 24 | 30* | Headlights |
| 25 | 10* | A/C Clutch Relay |
| 26 | – | Not used |
| 27 | – | Not used |
| 28 | 30* | Antilock brake system module (ABS) |
| 29 | – | Not used |
| 30 | 15* | Towing Trailer |
| 31 | 20* | Fog lamp, daytime running lights (DRL) |
| 32 | – | Not used |
| 33 | 15* | Park Lamp |
| 34 | – | Not used |
| 35 | – | Not used |
| 36 | – | Not used |
| 37 | – | Not used |
| 38 | 10* | Dipped-beam headlight on the left |
| 39 | – | Not used |
| 40 | – | Not used |
| 41 | 20* | Heated oxygen sensors |
| 42 | 10* | Dipped-beam headlight on the right |
| 43 | – | Not used |
| 44 | – | Not used |
| 45A | – | High/low wiper relay |
| 45B | – | Parking/wiper relay |
| 46A | – | Fuel Pump Relay |
| 46B | – | Trailer Trailer Relay |
| 47A | – | A/C Clutch Solenoid Relay |
| 47B | – | Front windshield washer pump relay |
| 48A | – | Fog Lights |
| 48B | – | Light Fog Relay |
| 51 | – | Not used |
| 52 | – | Not used |
| 53 | – | Powerplant control module (PCM) diode |
| 54 | – | Powertrain Control Module (PCM) |
| 55 | – | Blower relay |
| 56 | – | Startup Relay |
| * Mini fuses ** Maxi fuses | ||
