The first-generation Toyota iQ (Model Code: AJ10), produced from 2008 to 2015, is a compact city car that gained recognition for its innovative design, exceptional space efficiency, and eco-friendly engineering. With its ultra-compact footprint and intelligent packaging, the iQ delivers surprising comfort and safety for urban commuters.
In this article, you will find fuse box diagrams for the Toyota iQ, covering model years 2008, 2009, 2010, 2011, 2012, 2013, 2014, and 2015. These diagrams are designed to assist owners, mechanics, and enthusiasts in identifying and understanding the fuse and relay layouts within the vehicle.
What’s Included:
Fuse Box Diagrams – Detailed visual guides showing the location and labeling of each fuse and relay.
Fuse Panel Locations – Instructions on where to find the fuse panels both inside the cabin and in the engine bay.
Fuse Assignments – Comprehensive listings explaining the function of each fuse and relay for targeted diagnostics and repairs.
Whether you’re addressing an electrical issue, replacing a fuse, or adding accessories, this guide will help you maintain the reliability and performance of your Toyota iQ (2008–2015).
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
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
