Scion iQ EV (2013) – fuse box diagram
Year of production: 2013
Engine compartment (type A)
| Fuse | Ampere rating [A] | Circuit | |
| 1 | D/C CUT | 30 | ECU-B NO.1, DOME |
| 2 | IMMOBI | 7,5 | Smart key system |
| 3 | TURN & HAZ | 10 | Turn signal lights, emergency flashers |
| 4 | DCM | 5 | Navigation system |
| 5 | ECU-B NO.2 | 7,5 | Power management ECU, air conditioning system |
| 6 | AM2 | 7,5 | Power management ECU |
| 7 | H-LP MAIN LO | 20 | Headlight (low beam) |
| 8 | ABS MTR NO.1 | 30 | Electric control brake system |
| 9 | SPARE | 30 | Spare fuse |
| 10 | SPARE | 20 | Spare fuse |
| 11 | SPARE | 7,5 | Spare fuse |
| 12 | IG CT | 30 | IGCT NO.2, PCU, IGCT NO.3, INV W/P |
| 13 | ECU-B NO.3 | 7,5 | EV system |
| 14 | PI | 30 | DCDC-S, HORN, BATT FAN, IG2, IG2 NO.2 |
| 15 | STRG LOCK | 20 | Steering lock system |
| 16 | H-LP MAIN HI | 25 | Headlight (high beam) |
| 17 | DOME | 10 | Navigation system, interior light |
| 18 | ECU-B NO.1 | 7,5 | Smart key system, main body ECU, enhanced VSC |
| 19 | RDI | 5 | Radiator fan |
| 20 | DEFOGGER | 30 | Rear window defogger |
| 21 | BK/UP | 10 | Back-up lights |
| 22 | ABS NO.2 | 7,5 | Electric control brake system |
| 23 | RDI | 30 | Radiator fan |
| 24 | HTR-B | 40 | Air conditioning system |
| 25 | ABS NO.2 | 30 | Electric control brake system |
| 26 | HORN | 10 | Horn |
| 27 | BATT FAN | 15 | Battery cooling fan, power management ECU |
| 28 | DCDC-S | 5 | EV system |
| 29 | IG2 | 10 | Power management ECU, electric control brake system |
| 30 | 30 IG2 NO.2 | 5 | Smart key system, steering lock system, meter, navigation system |
Engine compartment (type B)
| Fuse | Ampere rating [A] | Circuit | |
| 1 | PCU | 20 | EV system |
| 2 | IGCT NO.2 | 10 | EV system |
| 3 | IGCT NO.3 | 10 | EV system, power management ECU |
| 4 | INV W/P | 15 | EV system |
| 5 | HWD NO.1 | 50 | Heated windshield defroster |
| 6 | PIMR | 10 | EV system, power management ECU |
| 7 | ABS NO.1 | 20 | Electric control brake system |
| 8 | HWD NO.2 | 50 | Heated windshield defroster |
| 9 | H-LP RH HI | 10 | Right-hand headlight (high beam) |
| 10 | H-LP LH HI | 10 | Left-hand headlight (high beam) |
| 11 | H-LP RH LO | 10 | Right-hand headlight (low beam) |
| 12 | H-LP LH LO | 10 | Left-hand headlight (low beam) |
Under the driver’s side instrument panel
| Fuse | Ampere rating [A] | Circuit | |
| 1 | ECU-IG NO.1 | 7,5 | Enhanced VSC, shift lock control system, electric power steering, main body ECU, tire pressure warning system, electric control brake system, air conditioning system |
| 2 | GAUGE | 10 | Rear window defogger, instrument panel light control, emergency flashers, front passenger’s seat belt reminder light, navigation system |
| 3 | HTR-IG | 10 | Air conditioning system, switch illumination |
| 4 | WASHER RR | 10 | Rear window washer |
| 5 | WIPER RR | 10 | Rear window wiper |
| 6 | WIPER FR | 25 | Front windshield wiper |
| 7 | WASHER FR | 10 | Front windshield washer |
| 8 | OBD | 7,5 | On-board diagnosis system |
| 9 | DOOR NO.2 | 20 | Power windows |
| 10 | D/L NO.1 | 15 | Power door lock system, main body ECU |
| 11 | DOOR NO.1 | 30 | Power windows |
| 12 | CIG | 15 | Power outlet |
| 13 | ACC | 5 | Outside rear view mirrors, audio system, shift lock control system, main body ECU |
| 14 | PANEL NO.1 | 5 | Switch illumination, meter |
| 15 | TAIL | 10 | Parking lights, side marker lights, tail lights, license plate lights, main body ECU |
| 16 | (FOG FR) | 15 | No circuit |
| 17 | AM1 | 7,5 | No circuit |
| 18 | STOP | 10 | Power management ECU, stop lights, high mounted stoplight, electric control brake system |
| 19 | (SEAT-HTR) | 15 | Seat heaters |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
