Lincoln MKZ Hybrid 2012 Fuse Box Info
Passenger compartment fuse box location:
The fuse box is located below and to the left of the steering wheel by the brake pedal.
Engine compartment fuse box location:
The power distribution box is located in the engine compartment.
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 30A | Driver smart window motor |
| 2 | 15A | Brake on/off switch, Center high-mounted stop lamp |
| 3 | 15A | HEV battery fan |
| 4 | 30A | Passenger front smart window motor |
| 5 | 10A | Keypad illumination, Brake shift interlock |
| 6 | 20A | Turn signal lamps |
| 7 | 10A | Low beam headlamps (left) |
| 8 | 10A | Low beam headlamps (right) |
| 9 | 15A | Courtesy lights/Illuminated scuff plate |
| 10 | 15A | Backlighting, Puddle lamps |
| 11 | - | Not used |
| 12 | 7.5A | Memory modules, Memory seat/mirrors switches |
| 13 | 5A | SYNC module |
| 14 | 10A | Electronic finish panel (EFP) radio and climate control buttons module, Navigation display, Center information display, GPS module, Ambient lighting |
| 15 | 10A | Climate control |
| 16 | 15A | Not used (Spare) |
| 17 | 20A | Door locks, Trunk release |
| 18 | 20A | Heated seat module |
| 19 | 25A | Not used (Spare) |
| 20 | 15A | On-Board Diagnostic connector |
| 21 | 15A | Fog lamps |
| 22 | 15A | Front sidemarker lamps, Park lamps, License plate lamp |
| 23 | 15A | High beam headlamps |
| 24 | 20A | Horn |
| 25 | 10A | Demand lamps/power saver relay |
| 26 | 10A | Instrument cluster battery power |
| 27 | 20A | Ignition switch |
| 28 | 5A | Radio crank sense circuit |
| 29 | 5A | Instrument cluster ignition power |
| 30 | 5A | Not used (Spare) |
| 31 | 10A | Not used (Spare) |
| 32 | 10A | Restraint control module |
| 33 | 10A | Not used (Spare) |
| 34 | 5A | Not used (Spare) |
| 35 | 10A | Rear park assist, Blind spot information system, Rearview camera |
| 36 | 5A | Passive Anti-Theft Sensor (PATS) transceiver |
| 37 | 10A | Humidity sensor fan |
| 38 | 20A | Subwoofer amplifier |
| 39 | 20A | Radio |
| 40 | 20A | Not used (Spare) |
| 41 | 15A | Automatic dimming mirror, Moon roof, Compass, Front windows |
| 42 | 10A | Electronic stability control, Adaptive headlamps |
| 43 | 10A | Rain sensor |
| 44 | 10A | Fuel diode/Powertrain control module |
| 45 | 5A | Heated backlight and blower relay coil, Wiper washer |
| 46 | 7.5A | Occupant Classification Sensor (OCS) module, Passenger airbag off lamp |
| 47 | 30A | Rear windows |
| 48 | - | Delayed accessory relay |
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 50A | Electronic power assist steering B+ |
| 2 | 50A | Electronic power assist steering B+ |
| 3 | 40A | Powertrain control module (aux relay 5 power) |
| 4 | - | Not used |
| 5 | - | Not used |
| 6 | 40A | Rear defrost (aux relay 4 power) |
| 7 | 40A | Vacuum pump (aux relay 6 power) |
| 8 | 50A | Brake system controller pump |
| 9 | 20A | Wipers washer |
| 10 | 30A | Brake system controller valves |
| 11 | - | Not used |
| 12 | 30A | Heated/cooled seats |
| 13 | 15A | Motor electronics coolant/heater pump (relay 42 & 44 power) |
| 14 | - | Not used |
| 15 | - | Not used |
| 16 | - | Not used |
| 17 | 10A | HEV high voltage battery module |
| 18 | - | Not used |
| 19 | - | Not used |
| 20 | 20A | THX Radio |
| 21 | 20A | THX Radio |
| 22 | 20A | Console power point |
| 23 | 10A | Powertrain control module/ Transmission control module keep-alive power, Canister vent |
| 24 | - | Not used |
| 25 | - | Not used |
| 26 | 15A | Left headlamp (aux relay 1 power) |
| 27 | 15A | Right headlamp (aux relay 2 power) |
| 28 | 60A | Cooling fan motor |
| 29 | 20A | Front power point |
| 30 | 30A | Fuel relay (relay 43 power) |
| 31 | 30A | Passenger power seat |
| 32 | 30A | Driver power seat |
| 33 | 20A | Moon roof |
| 34 | - | Not used |
| 35 | 40A | Front A/C blower motor (aux relay 3 power) |
| 36 | 1A | Fuel pump |
| 37 | 5A | Vacuum pump monitoring |
| 38 | 10A | Heated side mirrors |
| 39 | 10A | Transmission control module |
| 40 | 10A | Powertrain control module |
| 41 | - | Backup lamps |
| 42 | - | Heater pump |
| 43 | - | Fuel pump |
| 44 | - | Motor electronics coolant pump |
| 45 | 15A | Injectors |
| 46 | 15A | Coil on plugs |
| 47 | 10A | Powertrain control module (general): Heater pump, Motor electronics coolant pump relay coils, DC/DC converter, Back-up lamps, Brake controller |
| 48 | 20A | HEV high voltage battery module, Fuel pump relay |
| 49 | 15A | Powertrain control module (emissions related) |
Auxiliary relay box:
| Fuse/Relay N° | Rating | Functions |
| 1 | - | Left headlamp |
| 2 | - | Right headlamp |
| 3 | - | Blower motor |
| 4 | - | Rear window defogger |
| 5 | - | Powertrain control module |
| 6 | - | Vacuum pump cut-off |
| 7 | - | Vacuum pump |
