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In this article, we consider the first-generation Toyota iQ / Scion iQ (KGJ10/NGJ10/NUJ10), produced from 2008 to 2015. Here you will find fuse box diagrams of Toyota iQ 2008, 2009, 2010, 2011, 2012, 2013, 2014 and 2015, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.
Fuse Layout Toyota iQ / Scion iQ 2008-2015
Cigar lighter (power outlet) fuse in the Toyota iQ (Scion iQ) is the fuse #17 “CIG” in the Instrument panel fuse box.
Table of Contents
Passenger Compartment Fuse Box
Passenger Compartment Fuse Box
Fuse box location
Left-hand drive vehicles
Right-hand drive vehicles
The fuse box is located under the instrument panel on the driver’s side (on the passenger side in RHD), under the cover.
Fuse box diagram
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Assignment of the fuses in the Passenger Compartment
| № | Name | Amp | Circuit |
|---|---|---|---|
| 1 | ECU-IG NO.1 | 7.5 | Vehicle stability control system, shift lock control system, electric power steering, automatic headlight system, main body ECU, tire pressure warning system |
| 2 | GAUGE | 10 | Electric cooling fan(s), 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, auto anti-glare inside rear view mirror |
| 3 | HTR-IG | 10 | Air conditioning system, wiper deicer, rear window defogger |
| 4 | - | - | - |
| 5 | WASHER RR | 10 | Windshield washer |
| 6 | WIPER RR | 10 | Rear window wiper |
| 7 | WIPER FR | 25 | Windshield wipers |
| 8 | WASHER FR | 10 | Windshield washer |
| 9 | OBD | 7.5 | On-board diagnosis system |
| 10 | FOG RR | 7.5 | Rear fog light |
| 11 | PANEL NO.2 | 5 | with Daytime Running Light or Automatic Light Control: Daytime running light system |
| 11 | TAIL NO.1 | 10 | Manual headlight leveling dial, front position lights, tail lights, license plate lights |
| 12 | DOOR NO.2 | 20 | Power windows |
| 13 | D/L NO.1 | 15 | Power door lock system, main body ECU |
| 14 | DOOR NO.1 | 30 | Power windows |
| 15 | - | - | - |
| 16 | - | - | - |
| 17 | CIG | 15 | Power outlet |
| 18 | ACC | 5 | Outside rear view mirrors, audio system, shift lock control system, main body ECU |
| 19 | PANEL NO.1 | 5 | with Automatic Light Control: Meter |
| 19 | PANEL | 5 | Meter, power management ECU |
| 20 | TAIL | 10 | with Automatic Light Control: Front position lights, tail lights, license plate lights, rear fog light, front fog lights, manual headlight leveling dial, multiport fuel injection system/sequential multiport fuel injection system, instrument cluster, windshield wiper ECU |
| 20 | TAIL NO.2 | 10 | Front position lights, tail lights, license plate lights, rear fog light, front fog lights, manual headlight leveling dial, multiport fuel injection system/sequential multiport fuel injection system, instrument cluster, windshield wiper ECU |
| 21 | FOG FR | 15 | Front fog lights |
| 22 | AM1 | 7.5 | "ACC" fuse, starting system |
| 23 | STOP | 10 | Vehicle stability control system, power management ECU, shift lock control system, stop lights, multiport fuel injection system/sequential multiport fuel injection system |
| 24 | D/L NO.2 | 10 | Power door lock system |
| 25 | SEAT-HTR | 15 | Seat heaters |
| 26 | - | - | - |
| 27 | - | - | - |
| 28 | - | - | - |
| 29 | - | - | - |
| 30 | - | - | - |
| 31 | - | - | - |
| 32 | - | - | - |
| 33 | - | - | - |
| 34 | - | - | - |
| 35 | - | - | - |
| 36 | - | - | - |
| 37 | - | - | - |
| 38 | - | - | - |
| 39 | - | - | - |
Relay Box
| № | Relay |
|---|---|
| R1 | Front fog light (FR FOG) |
| R2 | Heater (HTR) |
| R3 | Panel light (PANEL) |
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Fuse Box in the Engine Compartment
Fuse Box in the Engine Compartment
Fuse box location
The fuse box is located in the engine compartment (left-side).
Fuse box diagram
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Assignment of the fuses in the Engine Compartment Fuse Box
| № | Name | Amp | Circuit |
|---|---|---|---|
| 1 | - | - | - |
| 2 | - | - | - |
| 3 | DEFOGGER | 30 | Gasoline: Rear window defogger |
| 3 | DEFOGGER NO.1 | 30 | Diesel: Rear window defogger |
| 4 | - | - | - |
| 5 | WIP-S | 7.5 | Gasoline: Power management ECU |
| 5 | DEFOGGER NO.2 | 7.5 | Diesel: Power Source Control ECU |
| 6 | MIR HTR | 7.5 | Outside rear view mirror defoggers |
| 7 | DOME | 15 | Interior light, audio system |
| 8 | ECU-B NO.1 | 7.5 | Main body ECU, power door lock system, smart entry 8t start system |
| 9 | H-LP LO | 20 | Toyota: with Daytime Running Light or Automatic Light Control: Headlight (low beam) |
| 9 | H-LP LH | 10 | Toyota: without Daytime Running Light or Automatic Light Control: Headlight (low beam)Left-hand headlight |
| 9 | H-LP MAIN | 20 | Scion (with Daytime Running Light): "H-LP RH LO", "H-LP LH LO" fuses |
| 10 | AM2 NO.2 | 7.5 | Power management ECU |
| 11 | ECU-B NO.2 | 5 | Meter, power windows, air conditioning system |
| 12 | ETCS | 10 | Electronic throttle control system |
| 13 | TURN&HAZ | 10 | Turn signal lights, emergency flashers |
| 14 | IMMOBI | 7.5 | Smart entry & start system |
| 15 | D/C CUT | 30 | "ECU-B NO.1", "DOME" fuses |
| 16 | EFI NO.1 | 10 | Gasoline: Multiport fuel injection system/sequential multiport fuel injection system |
| 16 | ECD NO.1 | 10 | Diesel: Multiport fuel injection system/sequential multiport fuel injection system |
| 17 | IG2 | 10 | SRS airbag system, meter |
| 18 | IGN | 15 | Gasoline: Injection, igniter |
| 18 | ECD NO.2 | 7.5 | Diesel: Multiport fuel injection system/sequential multiport fuel injection system |
| 19 | ALT-S | 7.5 | Charging system |
| 20 | EFI-MAIN | 20 | Gasoline: Multiport fuel injection system/sequential multiport fuel injection system, "EFI NO.1" fuse, fuel pump |
| 20 | ECD-MAIN | 30 | Diesel: Multiport fuel injection system/sequential multiport fuel injection system |
| 21 | HORN | 10 | Horn |
| 22 | AM2 NO.1 | 30 | Starting system |
| 23 | - | - | - |
| 24 | H-LP HI | 7.5 | Toyota: without Daytime Running Light or Automatic Light Control: Right-hand headlight |
| 25 | STRG LOCK | 20 | Steering lock system |
| 26 | H-LP RH | 10 | Toyota: with Daytime Running Light or Automatic Light Control: Headlight (high beam) |
| 26 | H-LP MAIN HI | 25 | Scion: "H-LP RH HI", "H-LP LH HI" fuses |
| 27 | ABS NO.2 | 30 | Anti-lock brake system |
| 28 | HTR-B | 40 | "HTR", "BLR" fuses |
| 29 | FUEL HTR | 30 | Fuel heater |
| 30 | ABS NO.1 | 50 | Anti-lock brake system |
| 31 | RDI | 30 | Electric cooling fan |
| 32 | EPS | 50 | Electric power steering |
| 33 | BBC | 40 | Stop & Start system |
| Relay | |||
| R1 | Electric cooling fan (FAN NO.2) | ||
| R2 | Starter (ST) | ||
| R3 | Rear window defogger (DEFOGGER) | ||
| R4 | Theft deterrent (S-HORN) | ||
| R5 | Electric cooling fan (FAN NO.1) |
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Relay Box
| № | Name | Amp | Circuit |
|---|---|---|---|
| 1 | PWR HTR | 25 | PTC heater |
| 1 | DEICER | 20 | Windshield wiper de-icer |
| 1 | PTC NO.2 | 30 | PTC heater |
| 2 | - | - | - |
| 3 | H-LP LH LO | 10 | Left-hand headlight (low beam) |
| 4 | H-LP RH LO | 10 | Right-hand headlight (low beam) |
| 5 | H-LP LH HI | 10 | Scion: Left-hand headlight (high beam) |
| 6 | H-LP RH HI | 10 | Scion: Right-hand headlight (high beam) |
| 7 | PTC NO.2 | 30 | PTC heater |
| 8 | PTC NO.3 | 30 | PTC heater |
| 9 | - | - | - |
| 10 | - | - | - |
| 11 | PTC NO.1 | 30 | 1KR-FE: PTC heater |
| 11 | PTC NO.1 | 50 | Except 1KR-FE: PTC heater |
| Relay | |||
| R1 | 1KR-FE: PTC heater (PTC NO.1) | ||
| R2 | - | ||
| R3 | PTC heater (PTC NO.2) | ||
| R4 | PTC heater (PTC NO.3) | ||
| R5 | - | ||
| R6 | Dimmer (DIM) | ||
| R7 | Headlight (H-LP) | ||
| R8 | Except 1KR-FE: PTC heater (PTC NO.1) |
Fusible Link Block
It is located on the battery
Gasoline
Diesel
| № | Name | Amp | Circuit |
|---|---|---|---|
| 1 | GLOW DC/DC | 80 | Diesel: Engine control |
| 2 | MAIN | 80 | "EFI MAIN", "EFI NO.1", "HORN", "AM2 NO.1", "AM2 NO.2", "DOME", "ECU-B NO.2", "TURN&HAZ", "H-LP LO", "H-LP LH LO", "H-LP MAIN", "H-LP MAIN HI", "ECU-B NO.1", "D/C CUT", "ETCS", "H-LP HI", "IG2", "IGN", "ALT-S" fuses |
| 3 | ALT | 120 | 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", "RR FOG", "FR FOG", "DEF", "TAIL", "TAIL NO.2", "EPS", "PTC NO.1", "PTC NO.2", "PTC NO.3", "DEICER", "D/L NO.1", "D/L NO.2", "PANEL", "PANEL NO.1" fuses |
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