Table of Contents
Alfa Romeo 166 is a business class sedan produced by the Italian company from 1998 to 2007. The design was developed under the direction of the company's chief designer Walter De Silva. The car went through a restyling in 2003. In this article we will understand in detail fuse box diagrams Alfa Romeo 166 (series 936) 1998, 1999, 2000, 2001, 2002, and 2003 2004, 2005, 2006, 2007 years of manufacture.
Here you will find the locations and photos of the mounting blocks. Also, we will separately mark the fuses responsible for the cigarette lighter and the fuel pump.
In the trunk
It is located behind the cover plate on the right side.
Models 1998-2002 release
Diagram.
|
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| No. | Description | A |
| 1 | Rear window heater | 40 |
| 2 | Door mirror heater | 10 |
| 3 | Trunk lid opening actuator | 20 |
| 4 | Fuel tank filler flap opening actuator | 25 |
| 5 | Seat heater | 20 |
| 6 | Trailer electrical connector | 15 |
| 7 | Power seat right | 30 |
| 8 | Power windows rear | 25 |
| 9 | Power seat left | 30 |
| No. | Relay modules | |
| A | Rear window heater | |
| B | Trunk lid opening actuator | |
| C | Fuel filler neck lock actuator | |
| D | seat heater | |
| E | Luggage compartment lighting lamp timer | |
Models 2003-2007 release
General view.
| Diagram | ||
|---|---|---|
Diagram. |
||
| No. | Description | A |
| 1 | Heated rear window | 30 |
| 2 | Heated mirrors | 7.5 |
| 3 | BI/ABI control module - front right power window | 20 |
| 4 | Preliminary settings | |
| 5 | Front right power seat | 30 |
| 6 | Front left power seat | 30 |
| 7 | Heated windshield | 15 |
| 8 | Front right seat heating | 10 |
| 9 | Front left heated seat | 10 |
| 10 | electric sunroof | 20 |
| 11 | Preliminary settings | |
| 12 | Signaling system (control module) / Direction indicators | 10 |
| 13 | Additional heater (JTD versions) | 10 |
| 14 | ABI control unit - rear left power window | 20 |
| 15 | Remote control receiver / Parking sensors (control unit) / Alarm system (control unit) / Sun visors / Electrochromic mirror / Seat heating control lamp / Mirror control / Power windows (LOCK control lamp) / Rain sensor | 10 |
| 16 | Rear outlet | 20 |
| 17 | ABI module - power windows in the rear part of the passenger compartment | 20 |
| 18 | ABI module - front left window elevator module | 20 |
| 19 | central locking system | 20 |
| 20 | Audio amplifier | 25 |
In the passenger compartment
It is located under the dashboard to the left of the steering wheel behind the cover. To access it, remove the cover by unscrewing the retaining screw.
General view of the Alfa Romeo 166 cabin fuse box.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | A |
| F1 | Stop lights, indicators, instrument cluster | 15 |
| F2 | SRS electronic control unit | 10 |
| F3 | Fuel pump fuse Alfa Romeo 166 | 15 |
| F4 | Audio system | 15 |
| F5 | Duffel box illumination lamp, mirror folding control unit, speed maintenance system control unit, anti-theft system control unit, center console multifunction switch (except for models with automatic transmission), gear sensor, air conditioner compressor solenoid relay, switch illumination, central locking control unit, air conditioner/heater control panel | 10 |
| F6 | Air conditioner condenser fan motor relay | 5 |
| F7 | Audio/navigation system, air conditioning/heater control unit, cigarette lighter fuse (front) | 10 |
| F8 | Indicators / alarms, multifunction control unit | 10 |
| F9 | Interior auto-dimming rearview mirror, rain sensor, road map reader, heated front seats control unit, power window regulator, air conditioning control unit, illuminated light bulb in the cosmetic mirror | 5 |
| F10 | Electronic transmission control unit | 5 |
| F11 | Multifunction control box | 20 |
| F12 | headlight washer | 20 |
| F13 | Exterior light bulbs, reversing light switch, sunroof control unit | 15 |
| F14 | Windshield wiper/washer | 25 |
| F15 | Power window controller (front) | 25 |
| F16 | Electronic engine control unit, immobilizer control unit | 5 |
| F17 | Interior lamps / light-off delay function, anti-theft system control unit, anti-theft system signal control unit, diagnostic connector, transmission mode switch illumination | 10 |
| F18 | Telephone, instrument cluster, audio / navigation system, air conditioner / heater control panel | 5 |
| F19 | Power connector for optional equipment, central locking control unit | 25 |
| F20 | Immobilizer control unit, electronic engine control unit - gasoline engine models | 5 |
| R1 | Reverse light relay, power mirrors and window heaters, power window heater relay | |
| R2 | Indicator relay / alarm relay | |
| R3 | Headlight washer delay relay | |
In the engine compartment
Cars 2003 - 2007 release (restyling)
It is located near the battery, behind a plastic cover.
Photo is an example.
| Diagram | ||
|---|---|---|
|
||
| No. | Purpose | A |
| 1 | Ignition lock | 20 |
| 2 | Climate control | 30 |
| 3 | ABS/ESP control unit | 40 |
| 4 | Cooling fan, high speed | 60 |
| 5 | Cooling fan, low speed | 30 |
| 6 | Ignition lock | 10 |
| 7 | ABS/ESP control unit | 40 |
| 8 | Glow Plug (Diesel) | 50 |
| 9 | Reserve | - |
| 10 | Right dipped beam | 15 |
| 11 | Horn (beep) | 15 |
| 12 | Headlight range control, Left headlight | 15 |
| 13 | Compressor | 7.5 |
| 14 | Reserve | - |
| 15 | Ignition | 15 |
| 16 | Fog lights | 15 |
| 17 | Additional heater | 20 |
| 18 | Ignition | 7.5 |
| 19 | Alfa Romeo 166 fuel pump fuse | 15 |
| 20 | Ignition | 10 |
| 21 | Ignition | 15 |
| 22 | Ignition | |
| 23 | diesel fuel heater | |
| No. | Relay modules | |
| R1 | dipped beam | |
| R2 | Climate control | |
| R3 | Horn relay | |
| R4 | Fog lamp relay | |
| R5 | Ignition relay | |
| R6 | Cooling fan speed 2 | |
| R7 | Air conditioning compressor | |
| R8 | Cooling fan, 1st stage relay | |
| R9 | Fuel pump relay | |
| R10 | Main relay | |
| R11 | Immobilizer | |
| R12 | Diesel fuel heater | |
Cars 1998 - 2002 release
Fuse box #1
The first unit is located behind the protective cover closer to the windshield.
| Block #1 diagram | ||
|---|---|---|
|
||
| No. | Description | A |
| F1A | Cabin fuse box circuit protection (F4/F8/F10-F12/F15/F17-F20) | 60 |
| F1B | Power supply to the ignition auxiliary circuits | 30 |
| F2 | Refrigerant control valve (air conditioner) | 30 |
| F3 | ABS electronic control unit | 10 |
| F4 | Automatic transmission | 5 |
| F5 | Fuel Heater - Diesel | 15 |
| F6 | Electronic Engine Control Module (ECM)(2.0TS) | 15 |
| F7 | Electronic engine control unit (models with a gasoline engine) | 15 |
| F8 | Starter | 30 |
| F9 | Electronic engine control unit | 30 |
| F10 | Additional heater (Diesel) | 30 |
| F11 | Power connector for optional equipment | 25 |
| 1 | Air conditioner / heater fan motor relay | |
| 2 | Starter relay | |
| 3 | Fuel Heater Relay - Diesel | |
| 4 | Engine management relay | |
| 5 | Fuel pump relay Alfa Romeo 166 | |
| 6 | Auxiliary Heater Relay - Diesel (If Equipped) | |
Fuse box #2
Located behind the trim near the left headlight. To gain access, remove the cover (A) by turning the retaining screws (B).
| Fuse Block #2 Diagram | ||
|---|---|---|
|
||
| No. | Description | A |
| F1 | High beam right headlight | 10 |
| F2 | High beam left headlight | 10 |
| F3 | Fog lights | 15 |
| F4 | Horns (beep) | 15 |
| F5 | Air conditioner compressor solenoid clutch | 10 |
| F6 | Dipped beam left headlight | 15 |
| F7 | Dipped beam right headlight | 15 |
| F8 | Cooling fan motor | 50 |
| F9 | Cooling fan motor - low speed | 50 |
| No. | Relay modules | |
| 1 | Cooling fan 1 | |
| 2 | Cooling fan 2 | |
| 3 | dipped headlights | |
| 4 | high beam headlights | |
| 5 | Horn relay | |
| 6 | Air conditioning compressor | |
| 7 | Fog lights | |
