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Toyota IQ (2008 - 2015) - fuse box diagram

avatar Jonathan Yarden Feb 11, 2021 · 5 min. read

In this article you will find a description of fuses and relays Toyota, 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: 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015

Fuse box in engine compartment (type A)

Toyota IQ - fuse box - engine compartment (type A)

Fuse Ampere Circuit
1 ALT 120 Charging system, RDI, ABS NO.1, HTR-B, ACC, CIG, GAUGE, ECUIG NO.1, HTR-IG, WIPER WASHER, AM1, DOOR NO.1, STOP, DOOR NO.2, OBD, RR FOG, FR FOG, DEF, TAIL NO.2, EPS, PTC NO.1, PTC NO.2, PTC NO.3, DEICER, D/L NO.1, D/L NO.2, PANEL
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, ECU-B NO.1, D/C CUT, ETCS, H-LP HI, IG2, IGN

 

Fuse box in engine compartment (type B)

Toyota IQ - fuse box - engine compartment (type B)

Fuse Ampere Circuit
1 D/C CUT 30 ECU-B NO.1, DOME
2 IMMOBI 7,5 Smart entry & start system
3 TURN & HAZ 10 Turn signal lights, emergency flashers
4 ETCS 10 Electronic throttle control system
5 ECU-B NO.2 5 Meter, power windows, air conditioning system
6 AM2 NO.2 7,5 Power management ECU
7 H-LP LH*1 10   Left-hand headlight
H-LP LO*2  20  Headlight (low beam)
8 (BBC) 40 No circuit
9 SPARE 30 Spare fuse
10 SPARE 20 Spare fuse
11 SPARE 5 Spare fuse
12 AM2 NO.1 30 Starting system
13 H-LP HI*2 7,5 Headlight (high beam)
14 (STRG LOCK) 20 Steering lock system
15 H-LP RH*1  10 Right-hand headlight
16 DOME 15 Interior light, audio system
17 ECU-B NO.1 7,5 Main body ECU, power door lock system, smart entry & start system
18 (MIR HTR) 7,5 Outside rear view mirror defoggers
19 WIP-S 7,5 Power management ECU
20 DEFOGGER 30 Rear window defogger
21 EPS 50 Electric power steering
22 RDI 30 RDI FAN
23 ABS NO.1 50 Vehicle stability control system
24 HTR-B 40 HTR, BLR
25 ABS NO.2 30 Vehicle stability control system
26 HORN 10 Horn
27 EFI-MAIN 20 Multiport fuel injection system/ sequential multiport fuel injection system, EFI NO.1, Fuel pump
28 IGN 15 Injection, igniter
29 IG2 10 Smart entry & start system, SRS airbag system, meter
30 EFI NO.1 10 Multiport fuel injection system/ sequential multiport fuel injection system

*1: Vehicles without daytime running light system and automatic light off system

*2: Vehicles with daytime running light system or automatic light off system

Fuse box in engine compartment (type C: if equipped)

Toyota IQ - fuse box - engine compartment (type C)

Fuse Ampere Circuit
1 (PTC NO.1) 30* PTC heater
50* PTC heater
2 (PTC NO.3) PTC heater
3 (DEICER) 20 No circuit
(PWR HTR) 25 No circuit
4 (PTC NO.2) 30 PTC heater
5 (H-LP RH LO) 10 Right-hand headlight (low beam)
6 (H-LP LH LO) 10 Left-hand headlight (low beam)

*: Replace the fuse with one of the same ampere rating as the original.

Fuse box under the instrument panel

Toyota IQ - fuse box - instrument panel

Fuse Ampere Circuit
1 ECU-IG NO.1 7,5 Vehicle stability control system, shift lock control system, electric power steering, automatic headlight, main body ECU
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 WASHER RR 10 Windshield washer
5 WIPER RR 10 Rear window wiper
6 WIPER FR 25 Windshield wipers
7 WASHER FR 10 Windshield washer
8 OBD 7,5 On-board diagnosis system
9 (FOG RR) 7,5 Rear fog light
10 TAIL NO.1*1 10 Manual headlight leveling dial, front position lights, tail lights, license plate lights
(PANEL NO.2)*2 5 Daytime running light system
11 DOOR NO.2 20 Power windows
12 D/L NO.1 15 Power door lock system, main body ECU
13 DOOR NO.1 30 Power windows
14 CIG 15 Power outlet
15 ACC 5 Outside rear view mirrors, audio system, shift lock control system, main body ECU
16 PANEL*1 5 Meter, power management ECU
(PANEL NO.1)*2 Meter
17 TAIL NO.2*1 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
TAIL*2
18 (FOG FR) 15 Front fog lights
19 AM1 7,5 ACC, starting system
20 STOP 10 Vehicle stability control system, power management ECU, shift lock control system, stop lights, multiport fuel injection system/sequential multiport fuel injection system
21 (D/L NO.2) 10 Power door lock system
22 (SEAT-HTR) 15 Seat heaters

*1: Vehicles without daytime running light system and automatic light off system

*2: Vehicles with daytime running light system or automatic light off system

 

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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