Toyota Corolla E180 represents the 11th generation of the Corolla model range and was produced in 2012, 2013, 2014, 2015, 2016, 2017 and 2018. During this time, it received an update. In this article, we will show a description of the fuses and relays of the Toyota Corolla 180 170 160 with block diagrams and their locations. Note the cigarette lighter fuse.

The purpose of the elements in the blocks may differ from the one shown. Check the information with your diagrams on the block cover.

Blocks in the cabin

Block layout diagram

Left hand drive

  1. Steering wheel lock actuator
  2. Fuse Box / Body Electrical Control Unit
  3. Active Lighting Control Unit
  4. Power Steering Control Unit
  5. Relay block
  6. LHD: Cruise Control Unit
  7. Gearbox control unit
  8. Network Gateway Block
  9. Windscreen wiper relay
  10. Start-stop system control unit
  11. Parking sensor control unit
  12. LHD (Corolla): Telephone Transceiver
  13. Gear selector lock control unit
  14. Airbag control unit
  15. Air conditioner booster
  16. RHD: Double Door Lock Relay
  17. Hatchback, Station wagon: Audio amplifier

Fuse box

It is located under the instrument panel on the left side.

115A P/OUTLET – Socket
27.5A OBD – Diagnostic connector
37.5A STOP – Brake light lamps, multipoint fuel injection system/sequential multipoint fuel injection system, additional brake light, ABS, VSC, gear selector lock
47.5A FOG RR – Rear fog light, instrument cluster
520A D/L NO.3 – Central locking
620A S/ROOF – Hatch
77.5A FOG FR – Front fog light, instrument cluster
85A AM1 – Fuses: “IG1 RLY”, “ACC RLY”
910A D/L NO. 2 – Trunk unlocking
1020A DOOR NO. 2 – Glass lifts
1120A DOOR R/R – Glass lifters
1220A DOOR R/L – Glass lifters
1315A WASHER – Glass washer
1425A WIPER NO.2 – Windscreen wiper and washer, charging system
1515A WIPER RR – Rear Windscreen Wiper
1625A WIPER NO. 1 – Windscreen wiper
1715A CIG – Cigarette Lighter
187.5A ACC – Electric mirrors, body electrical control unit, clock, audio system
195A SFT LOCK-ACC – Gear selector lock
2010A TAIL – Side light, number plate light, front fog light
217.5A PANEL – Light switch, instrument panel lighting, glove box lighting, body electrical control unit
225A WIPER-S – Charging system
237.5A ECU-IG NO.1 – Cooling Fan, AFS, Charging System, ABS, VSC
247.5A ECU-IG NO.2 – Side light, multipoint fuel injection system/sequential multipoint fuel injection system, AFS
257,A ECU-IG NO.3 – Multiport fuel injection system/sequential multiport fuel injection system, auto-dimming interior mirror, sunroof, gear selector lock, headlamp washers, AFS
267.5A HTR-IG – Air conditioning, rear window heating
277.5A ECU-IG NO.4 – Body electrical control unit, front passenger seat belt indicator, electric mirrors
285A ECU-IG NO.5 – Electric Power Steering
297.5A IGN – Intelligent Entry and Start System, Multiport Fuel Injection System/Sequential Multiport Fuel Injection System, Steering Wheel Lock
3015A S/HTR – Heated Seats
315A METER – Instrument cluster
327.5A A/BAG – airbags

Fuses numbers 1 and 17 are responsible for the operation of the cigarette lighter.

Additional fuses can be installed on the top of the block.

Scheme

  1. 30A P/SEAT – Seat heating
  2. –
  3. –
  4. 30A DOOR NO.1 – Glass lifters

Relay block

Scheme

  • R1 – Front fog light (FR FOG)
  • R2 – Anti-theft system (S-HORN)
  • R3 –
  • R4 – Socket (PWR OUTLET)
  • R5 – Interior lighting (DOME CUT)

Blocks under the hood

Block layout diagram

  1. Glow Plug Relay
  2. Fuse and relay box
  3. Generator control unit
  4. Glow Plug Control Unit
  5. Cooling system fan control unit
  6. Injector control unit
  7. Headlight Washer Relay
  8. Engine control unit
  9. Brake Management Module (MMT)
  10. Relay Block (LHD)
  11. Brake system control unit
  12. Relay Block (RHD)

Fuse and relay box

Option 1

110A ECU-B NO.2 – Air Conditioner, Power Windows, Smart Entry & Start, Mirrors, Instrument Cluster
25A ECU-B NO.3 – Electric power steering
37.5A AM2 – Multipoint fuel injection system/sequential multipoint fuel injection system, starting system, fuse: “IG2”
430A D/C CUT – Fuses: “DOME”, “ECU-B NO.1”, “RADIO”
510A HORN – Horn
620/25/30A EFI-MAIN – Multiport fuel injection system/sequential multiport fuel injection system, fuses: “EFI NO.1”, “EFI NO.2”, fuel pump
75A ICS/ALT-S – Charging system
810A ETCS – 1ZR-FAE, 1NR-FE, 1ZR-FE, 2ZR-FE, 8NR- FTS: Throttle Valve
20A EDU – 1AD-FTV: Multiport fuel injection system/sequential multiport fuel injection system
910A TURN & HAZ – Except 8NR-FTS: Instrument cluster, direction indicators
30A ST – 8NR-FTS: Starting System
1015A IG2 – Instrument cluster, multiport fuel injection system/sequential multiport fuel injection system, air bags
1120A EFI-MAIN NO.2 – 1AD-FTV: Multiport fuel injection system/sequential multiport fuel injection system
15A INJ/EFI-B – Gasoline: Multiport fuel injection system/sequential multiport fuel injection system
10A ECU-B NO.4 – 1ND-TV, (Sedan (1AD-FTV): Multiport fuel injection system/sequential multiport fuel injection system
20A ECU-B NO.4 – 8NR-FTS: Multiport fuel injection system/sequential multiport fuel injection system
7.5A DCM/ MAYDAY – 1NR-FE (since April 2016): Telematics system
1230A EFI-MAIN NO.2 – Except 8NR-FTS: Multiport fuel injection system/sequential multiport fuel injection system
7.5A DCM/ MAYDAY – Sedan (1ZR-FE, 1ZR-FAE, 2ZR-FE): Telematics system
10A EFI-MAIN NO.2 – Sedan (1ND-TV): Multiport fuel injection system/sequential multiport fuel injection system
1330A ST – Except 8NR-FTS: Starting System
10A TURN & HAZ – 8NR-FTS: Instrument cluster, direction indicators
1430/40A H-LP MAIN – “H-LP RH-LO”, “H-LP LH-LO”, “H-LP RH-HI”, “H-LP LH-HI” – Headlights
1530A VLVMATIC – Multi-port fuel injection system/sequential multi-port fuel injection system
1680A EPS – Electric Power Steering
1710A ECU-B NO.1 – Wireless control system, body electrical control unit, VSC, intelligent entry and start system, clock
187.5A DOME – Interior lighting, individual mirror lighting, luggage compartment lighting, body electrical equipment control unit
1920A RADIO – Audio system
2010A DRL – Daytime Running Lights
2115A STRG HTR – Heated steering wheel
2230A ABS NO.2 – ABS, VSC
2340A RDI – Cooling Fan
24–
2530/50A DEF – Rear window heating, mirror heating
2650A ABS NO.1 – ABS, VSC
2750A HTR – Air Conditioner
28120/140A ALT – Charging system
2910A EFI NO.2 – Multiport fuel injection system/sequential multiport fuel injection system
3010/15A EFI NO.1 – Multiport fuel injection system/sequential multiport fuel injection system
3110/20A EFI-NO.3 – Multiport fuel injection system/sequential multiport fuel injection system
3210A MIR-HTR – Distributed fuel injection system/sequential distributed fuel injection system, heated mirrors
3310/15A H-LP RH-LO – Low beam right
3410/15A H-LP LH-LO – Low beam left
357.5/10A H-LP RH-HI – High beam right
367.5/10A H-LP LH-HI – Left high beam, instrument cluster
3715/20A EFI NO.4 – Multiport fuel injection system/sequential multiport fuel injection system
38–
39–
40–
4115A AMP – Audio system
42–
4320A EFI-MAIN NO.2 – Multiport fuel injection system/sequential multiport fuel injection system
4420A STRG LOCK – Steering wheel lock
4550A AMT – Gearbox Control Unit
4640A BBC – Start-stop system
50A AMT – Gearbox Control Unit
4780A GLOW – Preheating system, spark plugs
4830A PTC HTR NO.2 – Auxiliary Heater
4930A PTC HTR NO.1 – Auxiliary Heater
5030A H-LP CLN – Headlight cleaners
5130A ABS NO.1 – ABS, VSC
5230A CDS FAN – Cooling system fan
5330A PTC HTR NO.3 – Auxiliary Heater
54–
5510A S-HORN – Anti-theft system
5625A STV HTR – Auxiliary Heater
20A DEICER – (1ZR-FE, 1ZR-FAE, 2ZR-FE, 1NR-FE): Heating of the brush rest zone
A
5710A EFI NO.5 – 1ND-TV (since May 2015): Multiport fuel injection system/sequential multiport fuel injection system
58–
B
5715A EFI NO.6 – 1ND-TV (since May 2015): Multiport fuel injection system/sequential multiport fuel injection system
5815A EFI NO.7 – 1ND-TV (since May 2015): Multiport fuel injection system/sequential multiport fuel injection system

Relay

R1Electric Power Steering (EPS)
R2Injectors (INJ)
Sedan (1ND-TV (since April 2016): Engine Control Unit (EFI-MAIN NO.2)
R3Starter (ST NO.1)
R4Daytime Running Lights (DRL)
R5Sound signal (HORN)
R6Cooling system fan (FAN NO.1)
R7Engine Control Unit (EFI-MAIN)
R8Ignition (IG2)
R9Dimmer
R10Hatchback, Estate: Stop Light Lamps (STOP LP)
R11Headlights (H-LP)
R121NR-FE, 1ZR-FAE, 1ZR- FE, 2ZR-FE: Fuel pump (C/OPN)
1AD-FTV: Engine Control Unit (EDU)
1ND-TV, 8NR-FTS: Engine Control Unit (EFI MAIN NO.2)
R13Hatchback, Station wagon (1AD-FTV): Engine control unit (EFI MAIN NO.2)
1ND-TV): (TSS-C HTR)
Sedan (before November 2016): Stop lamps (STOP LP)
Sedan (since November 2016): (TSS-C HTR)
A
R14Sedan: Rear Window Defogger (DEF)
R151ND-TV): (TSS-C HTR)
R161ND-TV): Rear window defogger (DEF)
R171ND-TV (since May 2015)): Rear window defogger (DEF)
B
R14Gearbox (AMT)
8NR- FTS): Cooling system fan (FAN MAIN)
R151AD-FTV): Cooling system fan (FAN NO.2)
Sedan: –
R161AD-FTV): Cooling system fan (FAN NO.3)
Sedan (1ZR-FE, 1ZR-FAE, 2ZR-FE, 1NR-FE): Heated wiper blade rest zone (DEICER)
R171ND-TV (since May 2015)): –

Additional elements

17.5A DOME – Luggage compartment lighting, personal mirror lighting, door lighting, interior lighting, personal lighting, footwell lighting
220A RAD NO.1 – Audio system, navigation, parking assistance system
310A ECU-B – Instrument Cluster, Auxiliary Battery, Steering Position Sensor, Double Locking, Wireless Remote Control, Smart Entry & Start
4DCC
510A ECU-B2 – Intelligent Entry & Start, Air Conditioning, Power Window, Network Gateway Unit
67.5A EFI MAIN NO.2 – Multiport fuel injection system/sequential multiport fuel injection system
7–
8–
9–
1020A STRG LOCK – Steering wheel lock
11–
1230A ST – Starting System
135A ICS/ALT-S – Charging system
1410A TURN-HAZ – Direction indicators, hazard warning lights
155A ECU-B NO.3 – Electric power steering
167.5A AM2 NO.2 – Starting System
17–
1850A ABS NO.1 – ABS, VSC
1930A CDS FAN – Cooling system fan
2040A RDI FAN – Cooling system fan
2130A H-LP CLN – Headlight Washers
22120A TO IP J/B – Fuses: “ECU-IG NO.2”, “HTR-IG”, “WIPER”, “RR WIPER”, “WASHER”, “ECU-IG NO.1”, “ECU-IG NO.3”, “SEAT HTR”, “AM1”, “DOOR”, “STOP”, “FR DOOR”, “POWER”, “RR DOOR”, “RL DOOR”, “OBD”, “ACC-B”, “RR FOG”, “FR FOG”, “DEF”, “TAIL”, “SUNROOF”, “DRL”
23–
24–
25–
2650A P/I – Fuses: “HORN”, “IG2”, “FUEL PMP”
27–
2850A FUEL HTR – Fuel Heating
2950A EFI MAIN – Multiport fuel injection system / sequential multiport fuel injection system
3080A EPS – Electric Power Steering
3180A GLOW – Preheating System, Glow Plugs
32–
3315A IG2 – Fuses: “IGN”, “METER”
3415A HORN – Sound signal, anti-theft system
3530A FUEL PUMP- Fuel pump
36–
3730A H-LP MAIN – Fuses: “H-LP LH LO”, “H-LP RH LO”, “H-LP LH HI”, “H-LP RH HI”
3840A BBC – Start-stop system
3930A HTR SUB NO.3 – Auxiliary heater
40–
4130A HTR SUB NO.2 – Auxiliary heater
4250A HTR – Air Conditioner, Heater
4350A HTR SUB NO.1 – Auxiliary heater
4430A DEF – Rear window heating, mirror heating
4525A STV HTR – Auxiliary Heater
4630A ABS NO.2 – ABS, VSC
47–
48–
4910A DRL – Daytime Running Lights
50–
5110A H-LP LH LO – Low beam left
5210A H-LP RH LO – Low beam right
537.5A H-LP LH HI – Left High Beam
5A RDI EFI – Cooling Fan
547.5A H-LP RH HI – High Right Beam
5A CDS EFI – Cooling Fan
557.5A EFI NO.1 – Multipoint fuel injection system/sequential multipoint fuel injection system, start-stop system
5615A EFI NO.2 – Multiport fuel injection system/sequential multiport fuel injection system
5710A MIR HTR – Multi-point fuel injection system/sequential multi-point fuel injection system, heated mirrors
5820A EFI NO.4 – Multiport fuel injection system/sequential multiport fuel injection system
595A CDS EFI – Cooling Fan
605A RDI EFI – Cooling Fan
R1Cooling system fan (FAN NO.2)
R2Cooling system fan (FAN NO.3)
R3Electric Power Steering (EPS)
R4Stop light lamps (STOP LP)
R5Starter (ST NO.1)
R6Rear window heating (DEF)
R7Engine Control Unit (EFI MAIN)
R8Headlights (H-LP)
R9Dimmer
R10Before November 2016: Daytime Running Lights (DRL)
Since November 2016: Cooling system fan (FAN NO.1)
R11Before November 2016: Cooling system fan (FAN NO.1)
Since November 2016: Fuel Heating (FUEL HTR)

Relay block

Scheme

  • R1 –
  • R2 – Auxiliary heater (HTR SUB NO.1)
  • R3 – Auxiliary heater (HTR SUB NO.2)
  • R4 – Auxiliary heater (HTR SUB NO.3)