Toyota iQ / Scion iQ (2008-2015) fuses and relays

Fuse box diagram (location and assignment of electrical fuses and relays) for Toyota iQ / Scion iQ (2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015).

Fuse box diagram: Toyota iQ / Scion iQ (2008-2015)

Passenger compartment overview

Left-hand drive vehicles

Right-hand drive vehicles

Passenger compartment Fuse box

The fuse box is located under the instrument panel on the driver’s side (on the passenger side in RHD), under the cover

Left-hand drive vehicles

Right-hand drive vehicles

Fuse box diagram

Assignment of the fuses in the Passenger Compartment Fuse box
FuseACircuit
1ECU-IG NO.17.5Vehicle stability control system, shift lock control system, electric power steering, automatic headlight system, main body ECU, tire pressure warning system
2GAUGE10Electric 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
3HTR-IG10Air conditioning system, wiper deicer, rear window defogger
4---
5WASHER RR10Windshield washer
6WIPER RR10Rear window wiper
7WIPER FR25Windshield wipers
8WASHER FR10Windshield washer
9OBD7.5On-board diagnosis system
10FOG RR7.5Rear fog light
11PANEL NO.25with Daytime Running Light or Automatic Light Control: Daytime running light system
11TAIL NO.110Manual headlight leveling dial, front position lights, tail lights, license plate lights
12DOOR NO.220Power windows
13D/L NO.115Power door lock system, main body ECU
14DOOR NO.130Power windows
15---
16---
17CIG15Power outlet
18ACC5Outside rear view mirrors, audio system, shift lock control system, main body ECU
19PANEL NO.15with Automatic Light Control: Meter
19PANEL5Meter, power management ECU
20TAIL10with 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
20TAIL NO.210Front 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
21FOG FR15Front fog lights
22AM17.5"ACC" fuse, starting system
23STOP10Vehicle stability control system, power management ECU, shift lock control system, stop lights, multiport fuel injection system/sequential multiport fuel injection system
24D/L NO.210Power door lock system
25SEAT-HTR15Seat heaters
26---
27---
28---
29---
30---
31---
32---
33---
34---
35---
36---
37---
38---
39---

Passenger Compartment Relay Box

Passenger Compartment Relay Box
Relay
R1Front fog light (FR FOG)
R2Heater (HTR)
R3Panel light (PANEL)

Engine compartment overview

Fuse Box in the Engine Compartment

The fuse box is located in the engine compartment (left-side)

Fuse box diagram

Assignment of the fuses in the Engine Compartment Fuse Box
FuseACircuit
1---
2---
3DEFOGGER30Gasoline: Rear window defogger
3DEFOGGER NO.130Diesel: Rear window defogger
4---
5WIP-S7.5Gasoline: Power management ECU
5DEFOGGER NO.27.5Diesel: Power Source Control ECU
6MIR HTR7.5Outside rear view mirror defoggers
7DOME15Interior light, audio system
8ECU-B NO.17.5Main body ECU, power door lock system, smart entry 8t start system
9H-LP LO20Toyota: with Daytime Running Light or Automatic Light Control: Headlight (low beam)
9H-LP LH10Toyota: without Daytime Running Light or Automatic Light Control: Headlight (low beam)Left-hand headlight
9H-LP MAIN20Scion (with Daytime Running Light): "H-LP RH LO", "H-LP LH LO" fuses
10AM2 NO.27.5Power management ECU
11ECU-B NO.25Meter, power windows, air conditioning system
12ETCS10Electronic throttle control system
13TURN&HAZ10Turn signal lights, emergency flashers
14IMMOBI7.5Smart entry & start system
15D/C CUT30"ECU-B NO.1", "DOME" fuses
16EFI NO.110Gasoline: Multiport fuel injection system/sequential multiport fuel injection system
16ECD NO.110Diesel: Multiport fuel injection system/sequential multiport fuel injection system
17IG210SRS airbag system, meter
18IGN15Gasoline: Injection, igniter
18ECD NO.27.5Diesel: Multiport fuel injection system/sequential multiport fuel injection system
19ALT-S7.5Charging system
20EFI-MAIN20Gasoline: Multiport fuel injection system/sequential multiport fuel injection system, "EFI NO.1" fuse, fuel pump
20ECD-MAIN30Diesel: Multiport fuel injection system/sequential multiport fuel injection system
21HORN10Horn
22AM2 NO.130Starting system
23---
24H-LP HI7.5Toyota: without Daytime Running Light or Automatic Light Control: Right-hand headlight
25STRG LOCK20Steering lock system
26H-LP RH10Toyota: with Daytime Running Light or Automatic Light Control: Headlight (high beam)
26H-LP MAIN HI25Scion: "H-LP RH HI", "H-LP LH HI" fuses
27ABS NO.230Anti-lock brake system
28HTR-B40"HTR", "BLR" fuses
29FUEL HTR30Fuel heater
30ABS NO.150Anti-lock brake system
31RDI30Electric cooling fan
32EPS50Electric power steering
33BBC40Stop & Start system
Relay
R1Electric cooling fan (FAN NO.2)
R2Starter (ST)
R3Rear window defogger (DEFOGGER)
R4Theft deterrent (S-HORN)
R5Electric cooling fan (FAN NO.1)

Engine Compartment Relay Box

Engine Compartment Relay Box
FuseACircuit
1PWR HTR25PTC heater
1DEICER20Windshield wiper de-icer
1PTC NO.230PTC heater
2---
3H-LP LH LO10Left-hand headlight (low beam)
4H-LP RH LO10Right-hand headlight (low beam)
5H-LP LH HI10Scion: Left-hand headlight (high beam)
6H-LP RH HI10Scion: Right-hand headlight (high beam)
7PTC NO.230PTC heater
8PTC NO.330PTC heater
9---
10---
11PTC NO.1301KR-FE: PTC heater
11PTC NO.150Except 1KR-FE: PTC heater
Relay
R11KR-FE: PTC heater (PTC NO.1)
R2-
R3PTC heater (PTC NO.2)
R4PTC heater (PTC NO.3)
R5-
R6Dimmer (DIM)
R7Headlight (H-LP)
R8Except 1KR-FE: PTC heater (PTC NO.1)

Fusible Link Block

It is located on the battery

Gasoline

Diesel

Fusible Link Block
FuseACircuit
1GLOW DC/DC80Diesel: Engine control
2MAIN80"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
3ALT120Charging 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
Toyota iQ / Scion iQ (2008-2015) fuses and relays November 20, 2018 admin