The Toyota Avalon 5 th generationwas produced in 2018, 2019, 2020, 2021, 2022, 2023, 2024 with the designation X50. During this time, the model received a facelift. In this post, we will present a description of the fuses and relays of the Toyota Avalon 5 generation with fuse box diagrams and their locations. We will highlight the fuse responsible for the cigarette lighter.
Designation of fuses and relays, as well as their location in the blocks may differ from the presented and depends on the year of manufacture, region of delivery and the level of electrical equipment of your vehicle.
Passenger compartment
In the passenger compartment, the fuse box is located on the left side under the instrument panel.
Photo for example
Example of a diagram from the box cover
Assignment
| FOG RR | Rear fog lamps |
| ECU-B NO.2 | Key detection indication, tire pressure sensor |
| OBD | Diagnostic connector |
| ECU-B NO.1 | Wireless Control System, Body ECU, VSC, Intelligent Entry & Start System, Clock |
| DOME | Interior lighting, tailgate opening system, smart entry and start system, immobilizer, start system, steering lock, wireless control system |
| D/L | central locking |
| TRUNK OPN | Trunk lock |
| STOP | Brake light |
| AM2 | Tailgate opening system, smart entry and start system, immobilizer, start system, steering wheel lock, wireless control system |
| ECU-DCC NO.2 | ABS, air conditioning, audio system, automatic lighting system, tailgate opening system, monitor, instrument cluster, cruise control, central locking, double locking, dynamic cruise control radar, engine control unit, intelligent entry and start system, EPS, front fog light, fuel filler flap, active air flap control system, headlights, headlight range control, hybrid system, illumination, immobilizer, intelligent parking system, interior lighting, lane control system, automatic turn-off system for turn signals, light buzzer, navigation, power windows, anti-collision system, rear fog light, power mirrors |
| HAZ | Alarm |
| ECU-DCC NO.1 | ABS, TRC, VSC |
| PANEL | VSC OFF switch, instrument cluster, BSM switch, 4WD switch, brush rest heating switch, multiport fuel injection system / sequential multiport fuel injection system, park assist systems, heated seat switches, sockets, tailgate switch, air conditioning control unit , rear window heating switch, audio system, steering wheel buttons, cup holder lights |
| RADIO | Audio system |
| TAIL | Side light, license plate light, fog light |
| DOOR R/R | Rear door windows |
| DOOR F/L | Power windows front left door |
| S-HORN | Anti-theft system |
| DOOR F/R | Power windows front right door |
| STRG LOCK | Steering lock |
| P/OUTLET NO/1 | Power socket, cigarette lighter |
| DCM | Telematics system |
| SFT LOCK-ACC | Gear selector lock |
| ECU-ACC | Accessories. Check |
| WASHER | Glass washer |
| ECU-IG1 NO.3 | Blind spot monitoring |
| EPS-IG1 | Electric steering |
| ECU-IG1 NO.4 | Dynamic cruise control radar, engine control unit, intelligent entry and start system, EPS, front fog light, fuel flap, active air flap control system, headlights, headlight range control, hybrid system, lighting, immobilizer, intelligent parking system, interior lighting , lane control system, automatic turn-off system for turn signals, buzzer light, navigation, power windows, anti-collision system, rear fog light, power mirrors, seat belt indicator, gear selector lock, sunroof, SRS, starting system, steering lock, side light, telematics system, anti-theft system, tire pressure monitoring system, TRC, direction indicators (alarm), pedestrian warning system (noise generator), VSC, wireless charging system, wireless control system |
| A/BAG-IG2 | SRS, seat belt indicator |
| BKUP LP | Reversing lamps, audio system, monitor, navigation |
| METER-IG2 | Measuring instruments |
| ECU-IG1 NO.2 | ABS, TRC, VSC |
| ECU-IG2 NO.3 | ABS, cruise control, dynamic cruise control radar, hybrid system, body electronics control unit (CAN), gear selector lock, telematics system, TRC, pedestrian warning system (noise generator), VSC |
| ECU-IG1 NO.1 | Vehicle Stability System, Electric Cooling Fans, Anti Mist for Rear Window, Anti Mist for Outside Mirrors, Steering Wheel Sensor, Multiport Fuel Injection System / Sequential Multiport Fuel Injection System, Headlights (Low Beam), Battery Charging System, Blind Spot Monitor |
The fuse designated as P / OUTLET is responsible for the operation of the cigarette lighter.
In the upper part of the box, there are fuses responsible for the electric glass lifters and the electric drive of the seats.
Also, some relays can be installed separately behind the glove compartment.
Engine compartment
Under the hood in the engine compartment, the main fuse and relay box is located on the left side, under the protective cover.
Check the element assignments against your diagram on the back of the unit cover.
Designation
| EFI NO.2 | Cooling Fan |
| P/OUTLET NO.2 | Power Outlet |
| A/C COMP | Automatic Air Conditioning |
| DRL | Headlight |
| ECU-IG2 NO.1 | Cruise Control (2GR FKS) |
| Cruise Control (A25A FKS) | |
| Electronically Controlled Transmission and A/T Indicator (2GR FKS) | |
| Electronically Controlled Transmission and A/T Indicator (A25A FKS) | |
| Engine Control (2GR FKS) | |
| Engine Control (A25A FKS) | |
| ECU-IG2 NO.2 | Immobiliser System (w/ Smart Key System) |
| Smart Key System | |
| Starting (w/ Smart Key System) | |
| Steering Lock (w/ Smart Key System) | |
| Wireless Door Lock Control (w/ Smart Key System) | |
| EFI NO.1 | Cruise Control (2GR FKS) |
| Cruise Control (A25A FKS) | |
| Electronically Controlled Transmission and A/T Indicator (2GR FKS) | |
| Electronically Controlled Transmission and A/T Indicator (A25A FKS) | |
| Engine Control (2GR FKS) | |
| Engine Control (A25A FKS) | |
| EFI2 NO.2 | Cooling Fan |
| Cruise Control (A25A FKS) | |
| Electronically Controlled Transmission and A/T Indicator (A25A FKS) | |
| Engine Control (A25A FKS) | |
| EFI-MAIN NO.4 | Cruise Control (A25A FKS) |
| Electronically Controlled Transmission and A/T Indicator (A25A FKS) | |
| Engine Control (A25A FKS) | |
| ETCS | Cruise Control (2GR FKS) |
| Electronically Controlled Transmission and A/T Indicator (2GR FKS) | |
| Engine Control (2GR FKS) | |
| FUEL OPN | Fuel Lid Opener |
| HORN | Horn |
| Immobiliser System (w/ Smart Key System) | |
| Smart Key System | |
| Starting (w/ Smart Key System) | |
| Steering Lock (w/ Smart Key System) | |
| Theft Deterrent | |
| Wireless Door Lock Control (w/ Smart Key System) | |
| Wireless Door Lock Control (w/o Smart Key System) | |
| INJ | Cruise Control (2GR FKS) |
| Cruise Control (A25A FKS) | |
| Electronically Controlled Transmission and A/T Indicator (2GR FKS) | |
| Electronically Controlled Transmission and A/T Indicator (A25A FKS) | |
| Engine Control (2GR FKS) | |
| Engine Control (A25A FKS) | |
| Ignition | |
| MIR HTR | Mirror Heater |
| Rear Window Defogger | |
| H-LP LH | Automatic Light Control |
| Headlight | |
| Immobiliser System (w/ Smart Key System) | |
| Light Auto Turn Off System | |
| Smart Key System | |
| Starting (w/ Smart Key System) | |
| Steering Lock (w/ Smart Key System) | |
| Wireless Door Lock Control (w/ Smart Key System) | |
| H-LP RH | Automatic Light Control |
| Headlight | |
| Light Auto Turn Off System | |
| TV | Audio System (Built-in Type Amplifier) |
| Audio System (Separate Type Amplifier) | |
| Back Guide Monitor System (Built-in Type Amplifier) | |
| Back Guide Monitor System (Separate Type Amplifier) | |
| Navigation System (Separate Type Amplifier) | |
| Rear View Monitor System (Built-in Type Amplifier) | |
| Rear View Monitor System (Separate Type Amplifier) | |
| A/F HTR | Cruise Control (2GR FKS) |
| Electronically Controlled Transmission and A/T Indicator (2GR FKS) | |
| Engine Control (2GR FKS) | |
| D INJ | Cruise Control (2GR FKS) |
| Cruise Control (A25A FKS) | |
| Electronically Controlled Transmission and A/T Indicator (2GR FKS) | |
| Electronically Controlled Transmission and A/T Indicator (A25A FKS) | |
| Engine Control (2GR FKS) | |
| Engine Control (A25A FKS) | |
| EFI-MAIN NO.1 | Cooling Fan |
| Cruise Control (2GR FKS) | |
| Cruise Control (A25A FKS) | |
| Electronically Controlled Transmission and A/T Indicator (2GR FKS) | |
| Electronically Controlled Transmission and A/T Indicator (A25A FKS) | |
| Engine Control (2GR FKS) | |
| Engine Control (A25A FKS) | |
| EFI-MAIN NO.2 | Cooling Fan |
| Cruise Control (2GR FKS) | |
| Cruise Control (A25A FKS) | |
| Electronically Controlled Transmission and A/T Indicator (2GR FKS) | |
| Electronically Controlled Transmission and A/T Indicator (A25A FKS) | |
| Engine Control (2GR FKS) | |
| Engine Control (A25A FKS) | |
| IG2-MAIN | Power Source |
| S/HTR MAIN | Seat Heater |
| VVT | Cruise Control (A25A FKS) |
| Electronically Controlled Transmission and A/T Indicator (A25A FKS) | |
| Engine Control (A25A FKS) | |
| D/C CUT | Power Source |
| S/HTR MAIN | Seat Heater |
| ABS NO.2 | ABS |
| Brake Assist | |
| EBD | |
| Electric Parking Brake | |
| Hill-Start Assist Control | |
| TRAC | |
| VSC | |
| EFI-MAIN NO.3 | Cruise Control (A25A FKS) |
| Electronically Controlled Transmission and A/T Indicator (A25A FKS) | |
| Engine Control (A25A FKS) | |
| ST NO.1 | Immobiliser System (w/ Smart Key System) |
| Smart Key System | |
| Starting (w/ Smart Key System) | |
| Starting (w/o Smart Key System) | |
| Steering Lock (w/ Smart Key System) | |
| Wireless Door Lock Control (w/ Smart Key System) | |
| WIPER | Front Wiper and Washer |
| ABS NO.1 | ABS |
| Brake Assist | |
| EBD | |
| Electric Parking Brake | |
| Hill-Start Assist Control | |
| TRAC | |
| VSC | |
| DEF | Mirror Heater |
| Rear Window Defogger | |
| FAN NO.2 | Cooling Fan |
| HTR | Automatic Air Conditioning |
| Manual Air Conditioning | |
| J/B-B | Power Source |
| FAN NO.1 | Cooling Fan |
| R/B NO.1 | Power Source |
| EPS | ABS |
| Brake Assist | |
| EBD | |
| Electric Parking Brake | |
| EPS | |
| Hill-Start Assist Control | |
| TRAC | |
| VSC | |
| ALT | Automatic Light Control |
| Charging | |
| Illumination | |
| Immobiliser System (w/ Smart Key System) | |
| Light Auto Turn Off System | |
| Light Reminder | |
| Smart Key System | |
| Starting (w/ Smart Key System) | |
| Steering Lock (w/ Smart Key System) | |
| Taillight | |
| Wireless Charger System | |
| Wireless Door Lock Control (w/ Smart Key System) | |
| Wireless Door Lock Control (w/o Smart Key System) |
On the right side, another additional fuse and relay box can be installed.
We have also prepared a video on our YouTube channel.
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