Scion iQ 2012 Fuse Box Info
Passenger compartment fuse box location:
The fuse box is located at the left side of the steering column, under the dashboard.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° and Name | Rating | Functions |
| 1 ECU-IG NO.1 | 7.5A | Vehicle stability control system, shift lock control system, electric power steering, automatic headlight system, main body ECU, tire pressure warning system |
| 2 GAUGE | 10A | Electric cooling fan, charging system, emergency flashers, front passenger’s seat belt reminder light, back-up lights, multiport fuel injection system/sequential multiport fuel injection system, windshield wiper ECU |
| 3 HTR-IG | 10A | Air conditioning system, rear window defogger |
| 4 WASHER RR | 10A | Windshield washer |
| 5 WIPER RR | 10A | Rear window wiper |
| 6 WIPER FR | 25A | Windshield wipers |
| 7 WASHER FR | 10A | Windshield washer |
| 8 OBD | 7.5A | On-board diagnosis system |
| 9 DOOR NO.2 | 20A | Power windows |
| 10 D/L NO.1 | 15A | Power door lock system, main body ECU |
| 11 DOOR NO.1 | 30A | Power windows |
| 12 CIG | 15A | Power outlet |
| 13 ACC | 5A | Outside rear view mirrors, audio system, shift lock control system, main body ECU |
| 14 PANEL NO.1* | 5A | Meter |
| 15 TAIL* | 10A | Parking lights, tail lights, license plate lights, multiport fuel injection system/sequential multiport fuel injection system, instrument cluster, windshield wiper ECU |
| 16 (FOG FR) | 15A | No circuit |
| 17 AM1 | 7.5A | ACC, starting system |
| 18 STOP | 10A | Vehicle stability control system, power management ECU, shift lock control system, stop lights, multiport fuel injection system/ sequential multiport fuel injection system |
| 19 (SEAT-HTR) | 15A | No circuit |
*: Vehicles with daytime running light system
Engine compartment fuse box (Fuse box A):
| Fuse/Relay N° and Name | Rating | Functions |
| 1 ALT | 120A | Charging system, RDI, ABS NO.1, ABS NO.2, HTR-B, ACC, CIG, GAUGE, ECU-IG NO.1, HTR-IG, WIPER WASHER, AM1, DOOR NO.1, STOP, DOOR NO.2, OBD, FR FOG, DEF, TAIL, EPS, PTC NO.1, PTC NO.2, PTC NO.3, D/L NO.1, PANEL NO.1 |
| 2 MAIN | 80A | EFI MAIN, EFI NO.1, HORN, AM2 NO.1, DOME, ECU-B NO.2, TURN&HAZ, H-LP MAIN, H-LP MAIN HI, ECU-B NO.1, D/C CUT, ETCS, IG2, IGN, ALT-S |
Engine compartment fuse box (Fuse box B):
| Fuse/Relay N° and Name | Rating | Functions |
| 1 D/C CUT | 30A | ECU-B NO.1, DOME |
| 2 IMMOBI | 7.5A | Multiport fuel injection system/sequential multiport fuel injection system |
| 3 TURN & HAZ | 10A | Turn signal lights, emergency flashers |
| 4 ETCS | 10A | Electronic throttle control system |
| 5 ECU-B NO.2 | 5A | Meter, power windows, air conditioning system |
| 6 H-LP MAIN*1 | 20A | H-LP RH LO, H-LP LH LO |
| 7 SPARE | 30A | Spare fuse |
| 8 SPARE | 20A | Spare fuse |
| 9 SPARE | 5A | Spare fuse |
| 10 AM2 NO.1 | 30A | Starting system |
| 11 H-LP MAIN HI*2 | 25A | H-LP RH HI, H-LP LH HI |
| 12 DOME | 15A | Interior light, audio system |
| 13 ECU-B NO.1 | 7.5A | Main body ECU, power door lock system |
| 14 MIR HTR | 7.5A | Outside rear view mirror defoggers |
| 15 DEFOGGER | 30A | Rear window defogger |
| 16 EPS | 50A | Electric power steering |
| 17 RDI | 30A | RDI FAN |
| 18 ABS NO.1 | 50A | Anti-lock brake system |
| 19 HTR-B | 40A | HTR, BLR |
| 20 ABS NO.2 | 30A | Anti-lock brake system |
| 21 HORN | 10A | Horn |
| 22 EFI-MAIN | 20A | Multiport fuel injection system/sequential multiport fuel injection system, EFI NO.1, Fuel pump |
| 23 ALT-S | 7.5A | Charging system |
| 24 IGN | 15A | Injection, igniter |
| 25 IG2 | 10A | SRS airbag system, meter |
| 26 EFI NO.1 | 10A | Multiport fuel injection system/sequential multiport fuel injection system |
1: Vehicles with daytime running light system
2: Vehicles without daytime running light system
Engine compartment fuse box (Fuse box C):
| Fuse/Relay N° and Name | Rating | Functions |
| 1 PTC NO.1 | 50A | PTC heater |
| 2 PTC NO.3 | 30A | PTC heater |
| 3 PTC NO.2 | 30A | PTC heater |
| 4 H-LP RH HI | 10A | Headlight (high beam) |
| 5 H-LP LH HI | 10A | Headlight (high beam) |
| 6 H-LP RH LO* | 10A | Right-hand headlight (low beam) |
| 7 H-LP LH LO* | 10A | Left-hand headlight (low beam) |
*: Vehicles with daytime running light system or automatic light off system
