Jonathan Yarden Feb 16, 2021 · 5 min. read
In this article you will find a description of fuses and relays Tesla,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
Year of production: 2012
Engine compartment
Type A
Type B
| Fuse | Ampere rating [A] | Circuit | |
| 1 | A/C | 10 | Air conditioning system |
| 2 | TOWING TAIL | 30 | Trailer lights (tail lights) |
| 3 | FR FOG | 15 | Front fog lights |
| 4 | STOP | 10 | Stop lights, high mounted stop light, vehicle stability control system, anti- lock brake system, shift lock system, multiport fuel injection system/ sequential multiport fuel injection system, towing converter |
| 5 | TOWING BRK | 30 | Trailer brake controller |
| 6 | EFI NO.2 | 10 | Multiport fuel injection system/sequential multiport fuel injection system |
| 7 | OBD | 30 | On-board diagnosis system |
| 8 | BATT CHG | 30 | Trailer sub battery |
| 9 | AI VALVE | 10 | AI system |
| 10 | TOWING | 30 | Towing lights |
| 11 | TRN- HAZ | 15 | Turn signal lights, emergency flashers, meter and gauge |
| 12 | RADIO NO.2 | 30 | Audio system |
| 13 | HEAD (LO RH) | 10 | Right-hand headlight (low beam), front fog lights |
| 14 | HEAD (LO LH) | 10 | Left-hand headlight (low beam) |
| 15 | HEAD (HI RH) | 10 | Right- hand headlight (high beam) |
| 16 | HEAD (HI LH) | 10 | Left- hand headlight (high beam), meter and gauge |
| 17 | ETCS | 10 | Multiport fuel injection system/sequential multiport fuel injection system, electronic throttle control system |
| 18 | ALT- S | 7,5 | Charging system |
| 19 | EFI | 20 | Multiport fuel injection system/sequential multiport fuel injection system |
| 20 | HORN | 10 | Horn |
| 21 | A/F HEATER | 15 | Multiport fuel injection system/sequential multiport fuel injection system |
| 22 | ECU- B | 7,5 | Wireless remote control system, air conditioning system, multiplex communication system, engine immobilizer system, meter and gauge, clock, front passenger occupant classification system |
| 23 | DOME | 7,5 | Interior light, personal lights |
| 24 | RADIO NO.1 | 10 | Audio system |
| 25 | STA | 7,5 | Starting system, multiport fuel injection system/sequential multiport fuel injection system, meter and gauge, clutch start cancel switch |
| 26 | SPARE | 10 | Spare fuse |
| 27 | SPARE | 15 | Spare fuse |
| 28 | J/B | 50 | TAIL, AC SKT, DR LCK, D FR P/W, D RR P/W, P FR P/W and P RR P/ W fuses |
| 29 | AM1 | 50 | ACC, IG1, IG1 NO.2, WIP, WSH, 4WD and STA fuses |
| 30 | HEATER | 50 | A/C fuse, air conditioning system |
| 31 | ABS NO.1 | 50 | Anti-lock brake system, vehicle stability control system |
| 32 | AM2 | 30 | IGN and GAUGE fuses, multiport fuel injection system/sequential multiport fuel injection system |
| 33 | A/PUMP | 50 | Multiport fuel injection system/sequential multiport fuel injection system |
| 34 | ABS NO.2 | 30 | Anti-lock brake system, vehicle stability control system |
| 35 | AC SKT | 100 | Cigarette lighter, power outlets |
| 36 | ALT | 120* | AM1, AC SKT, HEATER, FR FOG, STOP, OBD, J/B, TOWING TAIL, TOWING BRK and BATT CHG fuses |
| 140* | |||
| *: Replace the fuse with one of the same ampere rating as the original | |||
Under the instrument panel
| Fuse | Ampere rating [A] | Circuit | |
| 1 | IGN | 15 | Multiport fuel injection system/sequential multiport fuel injection system, anti-lock brake system, traction control system, vehicle stability control system, SRS airbag system, front passenger occupant classification system |
| 2 | GAUGE | 7,5 | Meter and gauge, emergency flashers |
| 3 | TAIL | 10 | Tail lights, license plate lights, parking lights, multiport fuel injection system/sequential multiport fuel injection system, front fog lights, instrument panel light control, illuminations |
| 4 | ACC | 7,5 | Shift lock system, outside rear view mirrors, audio system, power outlets |
| 5 | PWR OUTLET | 15 | Power outlets |
| 6 | DR LCK | 20 | Door lock system |
| 7 | IG1 NO.2 | 10 | Anti-lock brake system, vehicle stability control system, stop lights, charging system, multiport fuel injection system/sequential multiport fuel injection system, air conditioning system, instrument panel light control, anti-glare inside rear view mirror, back monitor, clutch start cancel switch, rear differential lock system, power outlets, tire pressure warning system |
| 8 | BKUP LP | 10 | Trailer lights (back-up lights) |
| 9 | IG1 | 10 | Back-up lights, air conditioning system, passenger airbag off switch, shift lock system |
| 10 | P RR P/W | 20 | Rear passenger’s power window (right side) |
| 11 | P FR P/W | 20 | Front passenger’s power window |
| 12 | WSH | 10 | Wipers and washer |
| 13 | D RR P/W | 20 | Rear passenger’s power window (left side) |
| 14 | 4WD | 20 | Four-wheel drive system, rear differential lock system |
| 15 | WIP | 30 | Wipers and washer |
| 16 | D FR P/W | 30 | Power windows |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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