Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator: Other Toyota Sequoia I

BUZZERS, RELAYS & TIMERS

ComponentComponent Location
ACC RelayOn instrument panel J/B.
Auto Antenna Motor RelayBehind lower center of dash. (Схема №3)
BACK-UP LIGHT RelayOn instrument panel J/B.
Brake Inhibit RelayBehind left center of dash. (Схема №4)
CDS FAN RelayOn engine room R/B No. 2.
C/OPN RelayOn engine room J/B.
DEFOG RelayOn engine room J/B.
DIMMER RelayOn engine room R/B No. 2.
DRL No. 4 RelayOn engine room R/B No. 2.
EFI RelayOn engine room J/B.
FOGLIGHT RelayOn instrument panel J/B.
FUEL PUMP RelayOn engine room J/B.
HEAD RelayOn engine room J/B.
HEATER RelayOn engine room R/B No. 2.
HORN RelayOn engine room J/B.
MG CLT RelayOn engine room R/B No. 2.
Mirror Heater RelayBehind left end of dash, beside instrument panel J/B. (Схема №3)
POWER MAIN RelayOn instrument panel J/B.
RR HEATER RelayOn engine room R/B No. 2.
Seat Heater RelayBehind left end of dash, below instrument panel J/B. (Схема №3)
ST RelayOn engine room R/B No. 2.
TAILLIGHT RelayOn instrument panel J/B.
Towing Converter RelayOn left side of cargo area, behind trim panel. (Схема №5)
Turn Signal Flasher RelayBehind left end of dash, below instrument panel J/B. (Схема №3)
VSC Warning BuzzerBehind left end of dash. (Схема №3)
Wireless Door Lock Control BuzzerOn left front of engine compartment, behind headlight. (Схема №2)

BUZZERS, RELAYS & TIMERS LOCATION

CIRCUIT PROTECTION DEVICES

ComponentComponent Location
Engine Room J/BOn left side of engine compartment.
Engine Room R/B No. 2On left side of engine compartment.
Fusible Link BlockIn engine room J/B.
Instrument Panel J/BBehind left end of dash. (Схема №4)
Sub J/B No. 3Behind right side of instrument cluster. (Схема №4)
Sub J/B No. 4Behind right side of instrument cluster. (Схема №4)

CIRCUIT PROTECTION DEVICES LOCATION

CONTROL UNITS

ComponentComponent Location
Air Bag Sensor AssemblyBelow front of center console. (Схема №4)
Back Door ECUOn left side of liftgate. (Схема №5)
Body ECUBehind left end of dash. (Схема №4)
Driver Door ECUIn left front door. (Схема №5)
Engine Control ModuleBehind right side of dash. (Схема №4)
Front Passenger Door ECUIn right front door. (Схема №5)
Integration Control & PanelBehind center of dash. (Схема №4)
Overhead ModuleOn center front of roof. (Схема №5)
Skid Control ECU W/ ActuatorOn right rear of engine compartment. (Схема №2)
Sliding Roof Control ECUOn center front of roof. (Схема №5)
Stereo Component Amplifier (Front)Center of dash, below radio. (Схема №4)
Stereo Component Amplifier (Rear)Below rear of center console. (Схема №4)
Translate ECUAbove right kick panel. (Схема №4)
Transponder Key AmplifierInside of steering column. (Схема №4)
Wireless Door Control ReceiverBehind left center of dash. (Схема №4)
4WD Control ECUBehind right center of dash. (Схема №4)

CONTROL UNITS LOCATION

MOTORS

ComponentComponent Location
A/C Condenser Fan MotorOn center front of engine compartment. (Схема №1)
ADD ActuatorOn rear of engine. (Схема №1)
Air Inlet Control Servo MotorBehind right end of dash. (Схема №3)
Air Mix Control Servo Motor (Front)Behind lower right side of dash. (Схема №3)
Air Vent Mode Control Servo Motor (Front)Behind lower left side of dash. (Схема №3)
Air Vent Mode Control Servo Motor (Rear)On right rear of vehicle. (Схема №5)
Auto Antenna MotorBehind lower right end of dash. (Схема №3)
Blower Motor (Front)Behind lower right side of dash. (Схема №3)
Blower Motor (Rear)On right rear of vehicle.
Front Washer Motor & Washer Level SensorOn right front of engine compartment. (Схема №1)
Front Wiper MotorOn right rear of engine compartment. (Схема №1)
Fuel Pump & SenderInside fuel tank. (Схема №5)
Rear Washer MotorOn right front of engine compartment, behind headlight. (Схема №2)
Rear Wiper MotorInside lower center of liftgate. (Схема №5)
Throttle Control MotorOn left front of engine, on throttle body. (Схема №2)
Transfer Shift ActuatorOn transfer case. (Схема №2)

MOTORS LOCATION

SENDING UNITS & SENSORS

ComponentComponent Location
ABS Speed SensorOn respective wheels.
A/C Ambient Temperature SensorOn left front of engine compartment. (Схема №1)
A/C Evaporator Temperature Sensor (Front)Behind right center of dash.
A/C Evaporator Temperature Sensor (Rear)On right rear of vehicle.
A/C Magnetic Clutch & Lock SensorOn left front of engine compartment. (Схема №1)
A/C Room Temperature Sensor (Front)Behind lower left center of dash. (Схема №3)
A/C Solar SensorOn top left side of dash. (Схема №3)
ACCEL Position SensorOn throttle body. (Схема №1)
Air Bag Sensor AssemblyBelow front of center console. (Схема №4)
Air Bag Sensor (Front Left)On left front of radiator support. (Схема №1)
Air Bag Sensor (Front Right)On right side of radiator support. (Схема №1)
A/T Oil Temperature SensorOn transmission. (Схема №1)
Automatic Light Control SensorOn top left side of dash. (Схема №3)
Camshaft Position SensorOn front of left cylinder head. (Схема №1)
Crankshaft Position SensorOn lower front of engine. (Схема №1)
Deceleration SensorBelow rear of center console. (Схема №3)
Engine Coolant Temperature SensorOn right front of engine. (Схема №1)
Front Washer Motor & Washer Level SensorOn right front of engine compartment. (Схема №1)
Fuel Pump & SenderInside fuel tank. (Схема №5)
Heated Oxygen Sensor (4)On exhaust system.
Knock Sensor 1On top right side of engine. (Схема №2)
Knock Sensor 2On top left side of engine. (Схема №2)
Mass Airflow MeterOn right front of engine compartment. (Схема №2)
Master Cylinder Pressure Sensor No. 1On brake master cylinder. (Схема №2)
Master Cylinder Pressure Sensor No. 2On brake master cylinder. (Схема №2)
O/D Direct Clutch Speed SensorOn transmission. (Схема №2)
Seat Belt Warning Occupant Detection SensorUnder front passenger seat.
Side Air Bag Sensor (Left)At base of left "B" pillar, behind trim panel. (Схема №5)
Side Air Bag Sensor (Right)At base of right "B" pillar, behind trim panel. (Схема №5)
Steering Angle SensorInside of steering column. (Схема №3)
Throttle Position SensorOn left front of engine, on throttle body. (Схема №2)
Vapor Pressure SensorUnder rear of vehicle. (Схема №5)
Vehicle Speed Sensor (Combination Meter) (2WD)On transmission. (Схема №2)
Vehicle Speed Sensor (Combination Meter) (4WD)On transmission. (Схема №2)
Vehicle Speed Sensor (Electronically Controlled Transmission) (2WD)On transmission. (Схема №2)
Vehicle Speed Sensor (Electronically Controlled Transmission) (4WD)On transmission. (Схема №2)
Yaw Rate SensorBelow rear of center console. (Схема №3)

SENDING UNITS & SENSORS LOCATION

SOLENOIDS & SOLENOID VALVES

ComponentComponent Location
A/C Magnetic Clutch & Lock SensorOn left front of engine compartment. (Схема №1)
A/C Water Valve (Rear)On right rear of vehicle. (Схема №5)
Electronically Controlled Transmission SolenoidOn transmission. (Схема №1)
VSV (Canister Closed Valve)On left rear of engine compartment. (Схема №2)
VSV (EVAP)On top left side of engine. (Схема №2)
VSV (Pressure Switching Valve)Under rear of vehicle. (Схема №5)

SOLENOIDS & SOLENOID VALVES LOCATION

SWITCHES

ComponentComponent Location
A/C Triple Pressure Switch (Dual & Single)On right front of engine compartment. (Схема №1)
Brake Fluid Level Warning SwitchOn brake fluid reservoir. (Схема №1)
Buckle Switch (Left/Right)Inside of respective front seat belt buckle.
Engine Hood Courtesy SwitchOn left center of radiator support. (Схема №1)
Oil Pressure SwitchOn left front of engine. (Схема №2)
Parking Brake SwitchBehind left side of dash, on parking brake lever. (Схема №3)
Park/Neutral Position Switch (2WD)On transmission.
Park/Neutral Position Switch (4WD)On transmission. (Схема №2)
Stoplight SwitchOn bracket above brake pedal. (Схема №3)
Transfer L4 Position Detection SwitchOn transfer case. (Схема №1)
Transfer Neutral Position Detection SwitchOn transfer case. (Схема №1)
Transfer Position Detection Switch No. 1On transfer case. (Схема №1)
Transfer Position Detection Switch No. 2On transfer case. (Схема №1)

SWITCHES LOCATION

MISCELLANEOUS

ComponentComponent Location
A/C Power TransistorOn right rear of vehicle. (Схема №5)
Active Brake BoosterOn left rear of engine compartment. (Схема №1)
Data Link Connector (DLC) No. 3Behind lower left side of dash, right of steering column. (Схема №3)
Daytime Running Light ResistorBehind left headlight. (Схема №1)
Diode (Interior Light No. 1)At base of right "B" pillar. (Схема №5)
Diode (Interior Light No. 2)At base of left "B" pillar. (Схема №5)
Fuel Pump ResistorOn left rear of engine compartment, below master cylinder. (Схема №1)
Ignition Coil & Ignitor (8)Above respective spark plug, on each cylinder head.
Junction Connector No. 1On right front of engine compartment. (Схема №2)
Junction Connectors No. 2, 3, 4 & 5On left side of engine compartment, near engine room J/B. (Схема №2)
Junction Connectors No. 6 & 7Behind left kick panel.
Junction Connectors No. 8 & 9Behind left end of dash.
Junction Connectors No. 10, 11 & 12Behind left center of dash.
Junction Connectors No. 13, 14, 15, 16, 17 & 18Behind right end of dash.
Junction Connectors No. 19, 20 & 21On left rear of cargo area, behind trim panel.
Junction Connector No. 22On left side of liftgate.
Junction Connector No. 23On right rear of vehicle.
Junction Connector No. 24 & 25Under driver's seat.
Junction Connector No. 26 & 27Under front passenger seat.
Noise Filter No. 1 (Ignition System)On top center of engine. (Схема №2)
Noise Filter No. 2 (Ignition System)On top center of engine. (Схема №2)
Pretensioner (Left)At base of left "B" pillar, behind trim panel. (Схема №5)
Pretensioner (Right)At base of right "B" pillar, behind trim panel. (Схема №5)

MISCELLANEOUS LOCATION

CONNECTORS

ComponentComponent Location
BA1 (13 Pin)At left "B" pillar. (Схема №8)
BB1 (Black, 8 Pin)Under right front seat. (Схема №8)
BB2 (8 Pin)Under right front seat. (Схема №8)
BC1 (13 Pin)At right "B" pillar. (Схема №8)
BD1 (4 Pin)At left rear of roof. (Схема №8)
BD2 (14 Pin)At left rear of roof. (Схема №8)
BE1 (Gray, 2 Pin)At left side of room partition crossmember. (Схема №8)
BF1 (14 Pin)At left side of tailgate. (Схема №8)
BG1 (Gray, 4 Pin)At left side of rear floor crossmember. (Схема №8)
BH1 (8 Pin)At right side rear quarterpanel. (Схема №8)
BI1 (6 Pin)Under left front seat.
BJ1 (2 Pin)At left front seat back.
BK1 (6 Pin)Under right front seat.
EA1 (Gray, 8 Pin)At middle of right inner fender panel. (Схема №6)
EA2 (Black, 11 Pin)At middle of right inner fender panel. (Схема №6)
EB1 (Gray, 6 Pin)Near starter. (Схема №6)
EB2 (Gray, 4 Pin)Near starter. (Схема №6)
EB3 (Gray, 3 Pin)Near starter. (Схема №6)
EC1 (Gray, 6 Pin)Near transmission. (Схема №6)
ED1 (Black, 5 Pin)Under engine room R/B. (Схема №6)
IA1 (Gray, 26 Pin)At left kick panel. (Схема №7)
IA2 (26 Pin)At left kick panel. (Схема №7)
IA3 (Yellow, 2 Pin)At left kick panel. (Схема №7)
IB1 (Gray, 13 Pin)At left kick panel. (Схема №7)
IC1 (Gray, 13 Pin)At left kick panel. (Схема №7)
IC2 (Black, 14 Pin)At left kick panel. (Схема №7)
IC3 (Blue, 10 Pin)At left kick panel. (Схема №7)
ID1 (2 Pin)At left side of dash. (Схема №7)
IE1 (6 Pin)At left dash brace. (Схема №7)
IF1 (15 Pin)Under right side of center console. (Схема №7)
IG1 (13 Pin)At right side of dash. (Схема №7)
IG2 (Gray, 12 Pin)At right side of dash. (Схема №7)
IG3 (26 Pin)At right side of dash. (Схема №7)
IH1 (26 Pin)At right side of dash. (Схема №7)
IH2 (Gray, 16 Pin)At right side of dash. (Схема №7)
IH3 (Yellow, 2 Pin)At right side of dash. (Схема №7)
II1 (Blue, 8 Pin)At right kick panel. (Схема №7)
II2 (Gray, 13 Pin)At right kick panel. (Схема №7)
IJ1 (Gray, 13 Pin)At right kick panel. (Схема №7)
IJ2 (Black, 14 Pin)At right kick panel. (Схема №7)
IJ3 (26 Pin)At right kick panel. (Схема №7)

CONNECTORS LOCATION

GROUNDS

ComponentComponent Location
BHAt left "B" pillar. (Схема №8)
BIAt left side of room partition crossmember. (Схема №8)
BJAt left side rear quarterpanel. (Схема №8)
BKAt right "B" pillar. (Схема №8)
BLAt right side rear quarterpanel. (Схема №8)
EAAt right radiator side support. (Схема №6)
EBAt rear of right cylinder head. (Схема №6)
ECAt rear of left cylinder head. (Схема №6)
EDAt left front inner fender panel. (Схема №6)
IEAt left kick panel. (Схема №7)
IFAt left dash brace. (Схема №7)
IGAt right kick panel. (Схема №7)

GROUNDS LOCATION