Toyota Avensis 3rd generation is designated as T27 / T270 and was produced in 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 and 2018 with sedan and station wagon bodies, with both gasoline and diesel engines. In this publication you will find information describing the location of all electronic control units, the purpose of fuses and relays Toyota Avensis 3 with block diagrams and photo examples of execution. Let’s highlight the cigarette lighter fuse.

Blocks in the cabin

Location

General layout of the units in the cabin

Left hand drive

  1. Fuse Box / Body Electrical Control Unit
  2. Additional fuse box
  3. Active Lighting System (AFS) Control Unit
    Headlight Range Adjustment Control Unit (without AFS)
  4. Distribution connector
  5. Steering wheel lock actuator
  6. Power Steering Control Unit
  7. Key transponder amplifier
  8. Distribution block
  9. Distribution block
  10. Windscreen wiper relay
  11. Power control unit
  12. Start-Stop system control unit
  13. Relay Block #1
  14. Distribution connector
  15. Distribution connector
  16. Relay Block #2
  17. Airbag control unit
  18. Air conditioner booster
  19. RHD: Double Door Lock Relay

Fuse box

It is located in the passenger compartment under the panel on the left side.

Access to the block

Left hand drive

17.5A AM1 – Starting system, fuses: “ACC”, “CIG”, “ECU-IG NO.2”, “HTR-IG”, “WIPER”, “RR WIPER”, “WASHER”, “ECU-IG NO.1”, “ECU-IG NO.3”, “SEAT HTR”
215A FR FOG – Up to February 2013, from May 2015: Fog lights
7.5A FR FOG – February 2013 – May 2015: Fog Lights
37.5A DRL – Daytime Running Lights
425A ACC-B – Fuses: “CIG”, “ACC”
525A DOOR – Door lock system, double locking system
6–
710A STOP – Brake lights, high-mounted brake light, anti-lock brake system, VSC+, multiport fuel injection system/sequential multiport fuel injection system, automatic transmission, shift lock system, starting system
87.5A OBD – Diagnostic connector
910A ECU-IG NO.2 – Reversing lights, charging system, hazard warning lights, rear window defogger, front passenger seat belt indicator, “PASSENGER AIRBAG” indicator, air conditioning system, AFS, rear view display system, Toyota parking assist system sensor
1010A ECU-IG NO.1 – ECU main body, intelligent entry and start system, electric cooling fans, shift lock system, panoramic roof blind, interior rearview mirror with automatic anti-dazzle, anti-lock brake system, steering sensor, yaw rate and G-force sensor, VSC+. headlight cleaner. emergency preparedness system. LKA. driver assistance system
1115A WASHER – Windscreen washer, rear window washer
1215A RR WIPER – Rear Windscreen Wiper
1330A WIPER – Windscreen wipers, rain sensor
1410A HTR-IG – Air Conditioning System
1515A SEAT HTR – Up to May 2015: Seat heaters
20A SEAT HTR – From May 2015: Seat Heaters
167.5A METER – Instrument cluster
177.5A IGN – Steering lock system, SRS airbag system, multipoint fuel injection system/sequential multipoint fuel injection system, automatic transmission, starting system
187.5A RR FOG – Rear Fog Light
19–
2030A TI&TE – Tilt and Reach Steering Wheel Adjustment
2110A MIR HTR – Heated exterior rearview mirrors
22–
237.5A ACC – Outside rear view mirrors, shift lock system, audio system, ECU main body, electrical outlet
2415A CIG – Cigarette Lighter
2520A SHADE – Panoramic roof blind
2620A RR DOOR – Rear Right Window Regulator
2720A RL DOOR – Rear Left Window Regulator
2820A P FR DOOR – Front passenger window
2910A ECU-IG NO.3 – Toyota Parking Assist Sensor, AFS, Heated Windshield Wiper Blade Area, Electric Parking Brake, Seat Belt with Pre-Collision System, Paddle Shift Paddle, Tilt and Telescopic Steering Wheel, Electric Power Steering
307.5A PANEL – Air conditioning switch, audio system, Multidrive or automatic transmission shift lever light, glove box light, manual air bag on/off system, hazard warning lights, cigarette lighter, headlamp washer switch, “AFS OFF” switch, speed limiter switch, headlamp leveling switch, headlamp leveling switch, “VSC OFF” switch, Toyota parking assist switch, “LKA” switch, heated seats switch, “SPORT” switch, outside rearview mirror switches, fuel filler flap release button
3110A TAIL – Front side lights, rear lights, number plate lights, rear fog light, front fog lights, manual headlight height adjustment, instrument panel lighting

The fuse number 24 for 15A is responsible for the cigarette lighter. Another fuse responsible for the operation of the power sockets is located in the block under the hood.

Upper section of the block

To access it, you need to remove the panel protection for left-hand drive models.

Or a glove compartment for right-hand drive models.

F130A POWER – Body Equipment ECU / Window Electrics
F230/40A DEF – Relay power supply – flasher switch / Rear window heating, fuse: “MIR HTR”
F330A PWR SEAT – Electric Seat Drive
R1Relay – turn signal interrupter
R2Heater relay
R3Relay “IG1” – ignition system

Additional fuse box

Scheme

  1. 7.5A WIPER NO.2 – Charging system, ECU module of driver assistance system
  2. Reserve

Relay Block #1

Relay block number 1 and number 2 are located next to each other, see the diagram.

R1Before June 2010: Front fog light (FR FOG)
Since October 2016: Interior Lighting (DOME CUT)
R2–
R3Before November 2011: Instrument cluster
Since November 2011: Daytime Running Lights (DRL)
R4Socket (ACC SOCKET)

Relay Block #2

R1Starter (ST)
R2Rear fog light (RR FOG)
R3Auxiliary relay (ACC)
R4June 2010 – May 2015: Front fog light (FR FOG)
From October 2016: Heated windscreen wiper area (FR DEICER)

Additional elements

Scheme

Sedan

  1. Pre-crash safety system sensor
  2. Tire pressure monitoring system control unit
  3. Central lock receiver
  4. Parking brake control unit
  5. Distribution connector
  6. Hatch control unit

Blocks under the hood

General layout of the blocks under the hood

  1. Skid Control ECU (Skid Control Unit)
  2. Fuse and relay box
  3. Engine control unit
  4. Glow Plug Control Unit
  5. Glow Plug Relay
  6. Gearbox control unit
  7. Headlight Washer Relay
  8. Injector control unit
  9. LHD: Relay Block
  10. RHD: Relay Block

Fuse and relay box

Photo – example

Transcript

110A DOME – Trunk/Cargo Compartment Light, Vanity Mirror Light, Engine Switch Light, Front Door Wing Lights, Personal/Interior Lights, Personal Light, Footwell Light
215/20A RAD NO.1 – Audio system
310A ECU-B – Instruments and gauges, ECU main body. Steering sensor, warning signal, double locking system, remote control, smart entry and start system, tilt and telescopic steering wheel adjustment
4DCC
510A ECU-B2 – Smart entry and start system, air conditioning system, ID code module, power windows, power seat adjustment
67.5A EFI MAIN NO.2 – Multiport fuel injection system / sequential multiport fuel injection system
725A DOOR NO.2 – Until May 2015: Door Lock System
7.5A BODY ECU – Since May 2015: Body Electrical Control Unit
830A AMP – Audio system
9–
1020A STRG LOCK – Steering Lock System
1120A A/F – Exhaust system
1230A AM2 – Starting System
1310A ETCS – Electronic Throttle Control System
1410A TURN-HAZ – Direction indicators, hazard warning lights
157.5A ALT-S – Charging System
167.5A AM2 NO.2 – Starting System
1750A HTR – Air Conditioning System
1850A ABS NO.1 – ABS, VSC
1930A CDS FAN – Cooling system fan
2040A RDI FAN – Cooling system fan
2130A H-LP CLN – Headlight cleaners
22120A IP/JB – 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 H-LP MAIN – Fuses: “H-LP LH LO”, “H-LP RH LO”, “H-LP LH HI”, “H-LP RH HI”
2750A P/I – Fuses: “EFI MAIN”, “HORN”, “IG2”, “EDU”
2850A EFI MAIN – Before May 2015: Multiport fuel injection system / sequential multiport fuel injection system, fuses: “EFI NO.1”, “EFI NO.2”
50A FUEL HTR – Since May 2015: Fuel Heating
2930A P-SYSTEM – Until May 2015: VALVEMATIC System
50A EPKB – Since May 2015: Electric Parking Brake
3080A GLOW – Before May 2015: Engine Glow System
80A EPS – Since May 2015: Electric Power Steering
3180A EPS – Before May 2015: Electric Power Steering
80A GLOW – Since May 2015: Engine Glow System
32140A ALT – Before May 2015: Fuses: “RDI FAN”, “CDS FAN”, “H-LP CLN”, “PWR SEAT LH”, “FUEL OPN”, “ABS NO.1”, “ABS NO.2”, “FR DEICER”, “PSB”, “HTR”, “STV HTR”, “PWR OUTLET”, “HTR SUB” NO.1”, “HTR SUB NO.2”, “HTR SUB NO.3”, “ECU-IG NO.2”, “HTR-IG”, “WIPER”, “RR WIPER”, “WASHER”, “ECU-IG NO.1”, “ECU-IG NO.3”, “SEAT HTR”, “AM1”, “DOOR”, “STOP”, “P FR DOOR”, “POWER”, “RR” DOOR”, “RL DOOR”, “OBD”, “ACC-B”, “RR FOG”, “FR FOG”, “TI & TE”, “SHADE”, “PWR SEAT RH”, “DEF”, “TAIL”, “DRL”
120A ALT – Before May 2015: Fuses: “RDI FAN”, “CDS FAN”, “H-LP CLN”, “PWR SEAT LH”, “FUEL OPN”, “ABS NO.1”, “ABS NO.2”, “FR DEICER”, “PSB”, “HTR”, “STV HTR”, “PWR OUTLET”, “HTR SUB” NO.1”, “HTR SUB NO.2”, “HTR SUB NO.3”, “ECU-IG NO.2”, “HTR-IG”, “WIPER”, “RR WIPER”, “WASHER”, “ECU-IG NO.1”, “ECU-IG NO.3”, “SEAT HTR”, “AM1”, “DOOR”, “STOP”, “P FR DOOR”, “POWER”, “RR” DOOR”, “RL DOOR”, “OBD”, “ACC-B”, “RR FOG”, “FR FOG”, “TI & TE”, “SHADE”, “PWR SEAT RH”, “DEF”, “TAIL”, “DRL”
3315A IG2 – Before May 2015: Fuses: “IGN”, “METER”
30A FUEL PUMP – Since May 2015: Fuel Pump
3415A HORN – Horn
3530A EFI MAIN – Before November 2011: Multiport fuel injection system / sequential multiport fuel injection system, fuses: “EFI NO.1”, “EFI NO.2
10A FUEL OPN – Since November 2011: Fuel filler door
3620A EDU – Before May 2015: Multiport fuel injection system / sequential multiport fuel injection system
15A IGT/INJ – Before May 2015: Multiport fuel injection system/sequential multiport fuel injection system, ignition system
15A IGT/INJ – Since May 2015: Fuses: “IGN”, “METER”
3750A EFI MAIN – Since May 2015: Fuses: “EFI NO.1”, “EFI NO.2”, “EFI NO.4”
3830A E-PKB – Up to May 2015: Electric Parking Brake
40A BBC – From May 2015: Start-stop system
3930A HTR SUB NO.3 – Before May 2015: Auxiliary Heater
40–
4130A HTR SUB NO.2 – Up to May 2015: Auxiliary Heater
4250A HTR – Since May 2015: Air Conditioning System
4330A HTR SUB NO.1 – Up to May 2015: Auxiliary Heater
50A HTR SUB NO.1 – Since May 2015: Auxiliary Heater
4430A PWR SEAT LH – Electric Seats, Lumbar Support
4525A STV HTR – Auxiliary Heater
4630A ABS NO.2 – ABS, VSC
4720A FR DEICER- Windscreen wiper blade heating
4810A FUEL OPN – Fuel filler flap
4930A PSB – Pre-Crash Safety Belt
5015A PWR OUTLET – Socket / Cigarette Lighter
5110A H-LP LH LO – Left headlight (low beam) / 15A High Intensity Discharge (HID): Left headlight (low beam)
5210A H-LP RH LO – Left Headlight (Low Beam) / 15A High Intensity Discharge (HID): Left Headlight (Low Beam)
5310A H-LP LH HI – Left headlight (high beam)
5410A H-LP RH HI – Right headlight (high beam)
5510A EFI NO.1 – Multiport fuel injection system/sequential multiport fuel injection system, air flow meter, exhaust system
7.5A EFI NO.1 – Multiport fuel injection system/sequential multiport fuel injection system, air flow meter, exhaust system
5610A EFI NO.2 – Air Intake System, Air Flow Meter, Exhaust System
15A EFI NO.2 – Air Intake System, Air Flow Meter, Exhaust System
577.5A IG2 NO.2 – Starting system
587.5A EFI NO – Distributed fuel injection system/sequential distributed fuel injection system, fuses: “EFI NO.1”, “EFI NO.2”
595A CDS EFI – Cooling Fan
607.5A EFI NO.3 – Multiport fuel injection system/sequential multiport fuel injection system
5A RDI EFI – Cooling Fan
Relay
R1Up to November 2013: Heated windscreen wiper blade area / Brake light lamps (FR DEICER/BRAKE LP)
Since November 2013: Cooling system fan (FAN NO.2)
R2Cooling system fan (FAN NO.3)
R3Before May 2015: Air Fuel Ratio (A/F) Sensor
Since May 2015: Fog light (FR FOG LH)
R4Before May 2015: Interior Lighting (DOME CUT)
Since May 2015: Fog light (FR FOG RH)
R5Engine Control Unit (EFI MAIN)
R6Headlights (H-LP)
R7Before November 2013: Cooling system fan (FAN NO.2)
November 2013 – October 2016: Windscreen wiper blade heating (FR DEICER)
Since October 2016: Dimmer
R8Cooling system fan (FAN NO.1)
R9May 2015 – October 2016: Interior Lighting (DOME CUT)
Since October 2016: (TSS C HTR)
R10Before November 2011: Fuel filler door (FUEL OPN)
R11Before November 2011: Dimmer
Since November 2011:
without AFS: Dimmer
Since November 2011:
AFS: –
May 2015 – Oct. 2016:
with fuel heating (F/t): Fuel heating (FUEL HTR)
without fuel heating: –
R12Since November 2011:
AFS: Dimmer
May 2015 – October 2016: Dimmer

Relay block

Scheme

R1–
R2Auxiliary heater (HTR SUB NO.1)
R3Auxiliary heater (HTR SUB NO.2)
R4Auxiliary heater (HTR SUB NO.3)