The second-generation Toyota Sequoia was produced from 2007 to 2020 and underwent two restylings during this period. In this material, you will find detailed diagrams of the fuse and relay blocks of the Toyota Sequoia 2, information about their location, as well as a description of the purpose of each element of the electrical system.
Separately, electronic control units, fuse and relay diagrams and their location in the car are considered. You will also find information about the cigarette lighter fuse (12 V socket), its location and purpose.
The article covers all major model years of the Toyota Sequoia 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 and 2020.
Blocks in the cabin
Arrangement
| № | Appointment |
|---|---|
| 1 | Connecting connector (CAN LH No. 2) |
| 2 | Connecting connector (CAN LH No. 1) |
| 3 | Multiplex steering column control unit (tilt/reach) |
| 4 | Turn signal relay interrupter |
| 5 | Distance control system control unit |
| 6 | Fuse block |
| 7 | Body electronics main unit |
| 8 | Mounting block No. 5 |
| 9 | Power steering control unit |
| 10 | Mounting block No. 4 |
| 11 | Reverse light relay |
| 12 | Key amplifier with transponder |
| 13 | Key control unit with transponder |
| 14 | Climate control unit |
| 15 | All-wheel drive control unit |
| 16 | Obstacle warning system unit |
| 17 | Power supply control unit |
| 18 | Mounting block No. 3 |
| 19 | Mounting block No. 6 |
| 20 | Ignition relay (ACC Cut) |
| 21 | Connecting connector (CAN RH) |
| 22 | Tire pressure monitoring unit |
| 23 | Audio system amplifier |
| 24 | Automatic transmission selector lock control unit |
| 25 | Mounting block No. 7 |
| 26 | Central airbag sensor |
Fuse block
In the cabin, the main fuse box is located under the instrument panel.
| № | A | Protected circuits |
|---|---|---|
| INVERTER | 15 | Inverter |
| FR P/SEAT LH | 30 | Electric driver’s seat |
| DR/LCK | 25 | Body electronics unit |
| POWER No.5 | 30 | Electric tailgate |
| OBD | 7.5 | Diagnostic connector |
| PWR OUTLET | 15 | Socket |
| – | – | |
| AM1 | 7,5 | Automatic transmission selector lock, starting system, heated seats |
| A/C | 7,5 | Air conditioning |
| ME | 15 | Mirror control unit, heated mirrors |
| POWER No.3 | 20 | Window regulators |
| FR P/SEAT RH | 30 | Power passenger seat |
| TI&TE | 15 | Steering column tilt and height adjustment system |
| S/ROOF | 25 | Luke |
| RR SEAT-HTR RH | 10 | Heated seats |
| ECU-IG No.1 | 7.5 | ABS, VSC, body electronics unit, parking sensors, electric driver’s seat, tilt and height adjustment, automatic transmission selector lock, tire pressure monitoring, trailer connector, socket, sunroof, electric tailgate, headlight washer, blind spot monitor, additional display |
| ON SUS IG | 20 | Air suspension |
| LH-IG | 7.5 | Reversing lights, charging system, instrument cluster, turn signals, air conditioning, heated seats, heated rear window |
| 4WD | 20 | All-wheel drive |
| RR SEAT-HTR LH | 10 | Heated seats |
| WSH | 20 | Glass washer |
| WIPER | 30 | Wipers and windshield washer |
| ECU-IG No.2 | 7.5 | Body electronics unit, power steering, gateway |
| TAIL | 15 | Marker lights, trailer marker lights |
| A/C IG | 10 | Air conditioning |
| – | – | |
| SEAT-HTR | 20 | Ventilation and seat heating |
| PANEL | 7.5 | Instrument panel illumination, glove compartment illumination, ashtray illumination, additional display, audio system, rear view camera, navigation, rear passenger entertainment system, instrument cluster, air conditioning, seat ventilation and heating, blind spot monitor |
| ACC | 7.5 | Additional display, audio system, rear passenger entertainment system, rear view camera, navigation, reversing lights, reversing lights (trailer), socket, electric mirrors, body electronics unit |
| BK/UP LP | 10 | Reversing lights, instrument cluster |
| CIG | 15 | Cigarette lighter |
| POWER No.1 | 30 | Power windows, power tailgate glass |
The CIG and PWR OUTLET 15A fuses are responsible for the operation of the cigarette lighter.
Additional elements
| № | Appointment |
|---|---|
| 1 | Hatch control unit |
| 2 | Door lock receiver |
| 3 | Tire pressure monitoring system antenna and receiver |
| 4 | Rear door control unit |
| 5 | Seat folding control unit |
| 6 | Rear door control unit |
| 7 | Fuel pump control unit |
| 8 | Seat folding control unit |
| 9 | Air suspension control unit |
| 10 | Mirror control unit |
Under the hood
Arrangement
| № | Marking |
|---|---|
| 1 | ABS and traction control actuator |
| 2 | Fuse and relay block |
| 3 | Headlight washer control relay |
| 4 | Engine Control Module (ECM) |
Fuse and relay block
Under the hood, the fuse and relay block is located next to the battery and is covered by a protective cover.
| № | A | Protected circuits |
|---|---|---|
| 1 | 15 | A/F – Multi-port fuel injection system / Sequential multi-port fuel injection |
| 2 | 10 | HORN – Sound signal |
| 3 | 25 | EFI NO.1 – Multi-point fuel injection system / sequential multi-point fuel injection |
| 4 | 30 | IG2 MAIN – Fuses: “INJ”, “MET”, “IGN” |
| 5 | 30 | L2 RR2 SEAT – 3rd row electric seats |
| 6 | 30 | L1 RR2 SEAT – 3rd row electric seats |
| 7 | 25 | CDS FAN – Cooling system fan |
| 8 | 20 | DEICER – Wiper zone heating |
| 9 | 30 | TOW TAIL – Trailer marker lights |
| 10 | 25 | CDS FAN NO.2 – 2012-2017: Cooling system fan |
| 11 | 30 | R2 RR2 SEAT – 3rd row electric seats |
| 12 | 30 | R1 RR2 SEAT – 3rd row electric seats |
| 13 | 25 | POWER NO.4 – Electric windows |
| 14 | 15 | FOG – Front fog lights |
| 15 | 15 | STOP – Brake lights, auxiliary brake light, VSC, ABS, automatic transmission selector lock, multi-point fuel injection system / sequential multi-point fuel injection, trailer electrical equipment |
| 16 | 30 | TOW BRK – Trailer Brake Control |
| 17 | 7,5 | IMB – Immobilizer |
| 18 | 7,5 | AM2 – Launch System |
| 19 | – | |
| 20 | – | |
| 21 | – | |
| 22 | – | |
| 23 | 30 | TOWING – Trailer electrical equipment |
| 24 | 10 | AI-HTR – 2012-2017: Secondary air pump heating |
| 25 | 5 | ALT-S – Charging system |
| 26 | 15 | TURN-HAZ – Turn signals, hazard warning lights, trailer electrical equipment |
| 27 | 15 | F/PMP – 2007-2011: Fuel Pump |
| 25 | F/PMP – 2012-2017: Fuel pump | |
| 28 | 10 | ETCS – Multi-port fuel injection system / sequential multi-port fuel injection, throttle control system |
| 29 | 5 | MET-B – Instrument cluster |
| 30 | – | |
| 31 | 30 | AMP – Audio system, rear passenger entertainment system, rear view camera, navigation |
| 32 | 15 | RAD NO.1 – Audio system, rear passenger entertainment system, rear view camera, navigation |
| 33 | 7,5 | ECU-B1 – Body electronics unit, multi-point fuel injection system / sequential multi-point fuel injection, rear-view mirror, sockets, power driver’s seat, power tailgate, steering column tilt and height adjustment, network gateway |
| 34 | 7,5 | DOME – Interior lighting, personal lighting, footwell lighting, door lighting, additional monitor, power tailgate, power 3rd row seats, sun visor mirror lighting, ignition switch lighting |
| 35 | 15 | HEAD LH – High beam left |
| 36 | 15 | HEAD LL – Low beam left |
| 37 | 10 | Multi-point fuel injection system / sequential multi-point fuel injection |
| 38 | 7,5 | MET – Instrument cluster |
| 39 | 10 | IGN – SRS Airbag System, Multi-Point Fuel Injection / Sequential Multi-Point Fuel Injection, Immobilizer, Cruise Control, Network Gateway |
| 40 | – | |
| 41 | 15 | HEAD RH – High beam right |
| 42 | 15 | HEAD RL – Low beam right |
| 43 | 10 | EFI NO.2 – Multi-point fuel injection system / sequential multi-point fuel injection, fuel system diagnostic pump |
| 44 | 5 | DEF I/UP – |
| 45 | 7,5 | AIR SUS NO.2 – Air suspension |
| 46 | – | |
| 47 | – | |
| 48 | – | |
| 49 | 50 | AIR SUS NO.2 – Air suspension |
| 50 | 30 | PBD – Electric tailgate drive |
| 51 | 40 | RR HTR – Air Conditioner |
| 52 | 30 | H-LP CLN – Headlight washer |
| 53 | 40 | DEFOG – Heated rear window |
| 54 | 40 | SUB BATT – Trailer connector |
| 55 | – | |
| 56 | – | |
| 57 | 50 | ABS, VSC |
| 58 | 40 | ABS, VSC |
| 59 | 30 | ST – Starting system |
| 60 | – | |
| 61 | – | |
| 62 | – | |
| 63 | 50 | HTR – Air Conditioner |
| 64 | – | |
| 65 | 150 | LH-J/B – Запобіжники: “AM1”, “TAIL”, “PANEL”, “ACC”, “CIG”, “LH-IG”, “4WD”, “ECU-IG NO.1”, “BK/UP LP”, “SEAT-HTR”, “A/C IG”, “ECU-IG NO.2”, “WSH”, “WIPER”, “OBD”, “A/C”, “TI&TE”, “FR P/SEAT RH”, “MIR, DR/LCK”, “FR P/SEAT LH”, “CARGO LP”, “PWR OUTLET”, “POWER NO.1” |
| 66 | 180 | ALT – Запобіжники: “LH-J/B”, “HTR”, “SUB BATT”, “TOW BRK”, “STOP”, “FOG”, “TOW TAIL”, “DEICER” |
| 140 | ALT – Запобіжники: “LH-J/B”, “HTR”, “SUB BATT”, “TOW BRK”, “STOP”, “FOG”, “TOW TAIL”, “DEICER” | |
| 67 | 50 | A/PUMP NO.1 – Multi-point fuel injection system / sequential multi-point fuel injection |
| 68 | 50 | Multi-point fuel injection system / sequential multi-point fuel injection |
| 69 | 40 | MAIN – Fuses: “HEAD LL”, “HEAD RL”, “HEAD LH”, “HEAD RH” |
| 70 | – | |
| 71 | – | |
| Relay | ||
| R1 | F/PMP – Fuel Pump | |
| R2 | – | |
| R3 | SUB BATT – Trailer Battery | |
| R4 | TOW TAIL – Marker lights (trailer) | |
| R5 | DEFOG – Heated rear window | |
| R6 | AIR SUS – Air suspension | |
| R7 | SECURITY HORN – Anti-theft alarm sound | |
| R8 | FOG – Fog lights | |
| R9 | – | |
| R10 | ST – Starter | |
| R11 | C/OPN – Fuel Pump (Circuit Disconnector) | |
| R12 | – | |
| R13 | MG CLT – Air conditioning compressor clutch | |
| R14 | DEICER – Wiper zone heating | |
| R15 | BRK No. 2 – Stop light | |
| R16 | BRK No. 1 – Stop Light | |
| R17 | – | |
| R18 | RR WSH – Rear window washer | |
| R19 | CDS FAN – Cooling system fan | |
| R20 | HEAD – Headlights | |
| R21 | DIM – Brightness control | |
| R22 | – | |
| R23 | – | |
| R24 | – | |
| R25 | – | |
Fuses and relays Toyota Sequoia (2007-2020). Fuse and relay diagram Toyota Sequoia (2007-2020).