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

 

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.


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.The location of the fuses in the passenger compartment: Toyota iQ / Scion iQ (2008-2015)

Fuse box diagram

Instrument panel fuse box diagram: Toyota iQ (2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015)

 

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)

Fuse Box in the Engine Compartment

Fuse box location

The location of the fuses in the engine compartment: Toyota iQ (2008-2015)

The fuse box is located in the engine compartment (left-side).The location of the fuses in the engine compartment: Toyota iQ / Scion iQ (2008-2015)

Fuse box diagram

Under-hood fuse box diagram: Toyota iQ (2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015)

 

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)

Relay Box

Engine Compartment Relay Box: Toyota iQ (2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015)

Engine Compartment 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 batteryFusible Link Block: Toyota iQ (2008-2015)

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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