The Fiat Idea is a compact multi-purpose vehicle (MPV) produced by the Italian automaker Fiat since 2003. The vehicle is built on the Project 188 platform, which is also utilized by the second-generation Fiat Punto. This manual provides a detailed overview of the fuse box diagrams for the Fiat Idea (B-platform; chassis code 135) covering the 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, and 2012 model years, for both gasoline and diesel engine variants.
Below, you will find the locations and diagrams of the power distribution centers. The fuses designated for the “Cigarette Lighter” and “Fuel Pump” are highlighted in bold.
Engine Compartment
The engine compartment may house one or two power distribution centers designed to protect the vehicle's electrical circuits.
Main Fuse Box
The main fuse box is located adjacent to the battery. To access the fuses, disengage the retaining clips and remove the protective cover.
Example of the fuse block layout.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | A |
| 1 | Body control module (BCM) circuit protection - fuses 32, 36, 38, 39, and 53; relays 1, 11, and 12; multifunction control module | 70 |
| 2 | Electronic power steering (EPS) | 70 |
| 3 | Ignition switch | 20 |
| 4 | Body control module (BCM) circuit protection - fuses 54 and 58; relay 13 | 50 |
| 5 | Anti-lock braking system (ABS) control module | 60 |
| 6 | Radiator cooling fan motor - low speed | 30 |
| 7 | Radiator cooling fan motor - high speed | 40 / 50 |
| 8 | HVAC blower motor | 30 |
| 9 | Headlamp washer pump | 20 |
| 10 | Horn | 15 |
| 11 | Engine management system components | 15 |
| 14 | Right high beam headlamp | 10 |
| 15 | Left high beam headlamp | 10 |
| 16 | A/C compressor, engine control module (ECM), fuel pump, transmission control module (TCM) - “Selespeed” | 7.5 |
| 17 | Engine control module (ECM) | 10 |
| 18 | Engine management system, radiator cooling fan motor (dual fan setup) | 7.5 |
| 19 | A/C compressor magnetic clutch | 7.5 |
| 20 | Fuel filter heater (Diesel) | 30 |
| 21 | Fuel pump module (fuel pump fuse) | 15 |
| 22 | Engine management system (Gasoline) | 15 |
| 23 | Transmission control module (TCM) - “Selespeed” | 15 |
| 24 | Electronic power steering (EPS) | 7.5 / 10 |
| 30 | Front fog lamps | 15 |
| Relay Assignments | ||
| R2 | High beam headlamps relay | |
| R3 | Horn relay | |
| R5 | A/C compressor clutch relay | |
| R6 | Radiator cooling fan relay - low speed | |
| R7 | Radiator cooling fan relay - high speed | |
| R8 | HVAC blower motor relay | |
| R9 | Engine management system relay | |
| R10 | Fuel pump relay | |
| R14 | Front fog lamp relay | |
| R17 | Headlamp washer pump relay | |
| R19 | Fuel filter heater relay (Diesel) | |
Auxiliary Fuse Panel
Depending on the trim level and optional equipment, an auxiliary fuse panel may be present in the engine compartment.
| Diagram | ||
|---|---|---|
|
||
| F1 | Transmission hydraulic pump - “Selespeed” | 30 |
| F2 | Spare | — |
| F3 | Spare | — |
| F4 | Glow plug control module (Diesel) | 50 |
| 1 | Transmission control relay - “Selespeed” | |
Passenger Compartment
The fuse box is located behind the dashboard trim panel on the driver's side. Unclip and pull the cover to access the fuse block. On right-hand-drive (RHD) models, the fuse box is situated on the passenger side, behind the glove box.
General layout of the passenger compartment fuse box.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | A |
| 12 | Right low beam headlamp | 15 |
| 13 | Left low beam headlamp, headlamp leveling system | 15 |
| 31 | Headlamp washer pump, HVAC blower motor, multifunction control module, reverse lamp | 7.5 |
| 32 | Driver door module (DDM), power window switch illumination | 15 |
| 33 | Rear door module | 20 |
| 34 | 20 | |
| 35 | Brake lamp switch (brake pedal position sensor), cruise control system | 7.5 |
| 36 | Driver door module (DDM), trailer tow connector | 20 |
| 37 | Brake lamp switch (brake pedal position sensor), instrument cluster, multifunction control module | 10 |
| 38 | Liftgate/tailgate release actuator | 15 |
| 39 | HVAC control module, audio system, OBD-II data link connector (DLC), interior dome lamps, multifunction control module, navigation system, telematics/telephone, tire pressure monitoring system (TPMS) | 10 |
| 40 | Rear window defroster | 30 |
| 41 | Power/heated exterior mirrors | |
| 42 | Anti-lock braking system (ABS) control module | 7.5 |
| 43 | Rear window wiper/washer, windshield wiper/washer system | 30 |
| 44 | 12V power receptacle - center console, Cigarette lighter fuse | 20 |
| 45 | Heated front seats | 15 |
| 46 | 12V power receptacle, cargo area cigarette lighter | 20 |
| 47 | Driver door module (DDM) | 20 |
| 48 | Passenger door module (PDM) (High trim levels) | 20 |
| 49 | HVAC system, sunload sensor, audio system, power mirror module, heated front seats, telematics/telephone, multifunction control module, parking assist system, rain sensor, steering column control module, power sunroof module | 7.5 |
| 50 | Supplemental restraint system (SRS) / Airbags | 7.5 |
| 51 | Tire pressure monitoring system (TPMS), “Selespeed” transmission mode selector switch | 7.5 |
| 52 | Rear window wiper/washer, windshield wiper/washer system | 15 |
| 53 | Turn signal and hazard warning lamps, instrument cluster | 10 |
| 54 | Audio system amplifier | 15 / 25 |
| 58 | Power sunroof | 20 |
| R1 | Low beam headlamps relay | |
| R11 | Rear window defroster / heated exterior mirror timer relay | |
| R12 | Ignition auxiliary circuit relay 1 | |
| R13 | Ignition auxiliary circuit relay 2 | |