Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator: Other Toyota Sienna II

BUZZERS, RELAYS & TIMERS

ComponentLocation
ACC RelayOn driver side J/B. (Схема №26)
A/F RelayOn engine room R/B no. 6. (Схема №25)
BRK RelayOn engine room R/B no. 6. (Схема №25)
Clearance Sonar BuzzerBehind left center of dash. (Схема №4)
C/OPN RelayOn engine room J/B. (Схема №21)
DEFOG RelayOn engine room J/B. (Схема №21)
Dome Cut RelayBehind left side of dash. (Схема №19)
DRL NO. 2 RelayOn engine room R/B No. 4. (Схема №23)
DRL NO. 3 RelayOn engine room R/B No. 4. (Схема №23)
DRL NO. 4 RelayOn engine room R/B No. 4. (Схема №23)
EFI RelayOn engine room J/B. (Схема №21)
FAN RelayOn engine room R/B No. 3. (Схема №22)
FOG RelayOn driver side J/B. (Схема №26)
Front Window Deicer RelayBehind left side of dash. (Схема №19)
HEAD RelayOn engine room J/B. (Схема №21)
HORN RelayOn engine room J/B. (Схема №21)
HTR RelayOn engine room R/B No. 3. (Схема №22)
IG1 RelayOn driver side J/B. (Схема №26)
Inverter RelayBehind upper left side of dash. (Схема №19)
Keyless BuzzerBehind left front corner lamp. (Схема №2)
MG CLT RelayOn engine room R/B No. 3. (Схема №22)
Power Back Door Warning BuzzerAt lower right side of back door. (Схема №8)
Power Slide Door Warning Buzzer LHAt lower center of left sliding door. (Схема №8)
Power Slide Door Warning Buzzer RHAt lower center of right sliding door. (Схема №8)
PWR RelayOn driver side J/B. (Схема №26)
Rear Wiper RelayAt left center of back door. (Схема №20)
RR A/C RelayOn engine room R/B No. 3. (Схема №22)
ST RelayOn engine room R/B No. 3. (Схема №22)
TAIL RelayOn driver side J/B. (Схема №26)
Turn Signal FlasherBehind left side of dash. (Схема №6)
VSC FAIL RelayOn engine room R/B no. 5. (Схема №24)
VSC MTR RelayOn engine room R/B no. 5. (Схема №24)
VSC Warning BuzzerBehind left side of dash. (Схема №6)

BUZZERS, RELAYS & TIMERS LOCATION

CIRCUIT PROTECTION DEVICES

ComponentLocation
Driver Side J/BBehind dash, left of steering column. (Схема №19)
Engine Room J/BOn left side of engine compartment. (Схема №18)
Fuse BoxBehind lower right side of dash. (Схема №19)
Fusible Link BlockOn left side of engine compartment, inside engine room J/B. (Схема №18)
R/B No. 3In engine room J/B. (Схема №18)
R/B No. 4In engine room J/B. (Схема №18)
R/B No. 5In engine room J/B. (Схема №18)
R/B No. 6In engine room J/B. (Схема №18)

CIRCUIT PROTECTION DEVICES LOCATION

CONTROL UNITS

ComponentLocation
Airbag Sensor AssemblyBelow center of dash. (Схема №19)
Blower Motor Controller (Rear)Behind right rear quarterpanel. (Схема №7)
Body ECUBehind left side of dash. (Схема №19)
Clearance Sonar ECUBehind center of dash. (Схема №19)
Cooling Fan ECUAt center front of engine compartment. (Схема №18)
Distance Control ECUBehind right side of dash. (Схема №19)
Door Lock Control ReceiverBehind upper center of dash. (Схема №4)
Engine Control ModuleBehind right side of dash. (Схема №19)
Headlight Control ECU LHBehind left headlight. (Схема №18)
Headlight Control ECU RHBehind right headlight. (Схема №18)
Moon Roof Control ECUAt center front of roof. (Схема №20)
Navigation ECUUnder right front seat. (Схема №20)
Power Back Door ECUBehind left rear quarterpanel. (Схема №20)
Power Slide Door ECU LHIn left siding door. (Схема №20)
Power Slide Door ECU RHIn right sliding door. (Схема №20)
Rear Seat Entertainment ECUBehind right rear quarterpanel. (Схема №20)
Seat Heater ECU LHUnder left front seat. (Схема №17)
Seat Heater ECU RHUnder right front seat. (Схема №11)
Shift Lock Control ECUAt base of shifter assembly. (Схема №19)
Skid Control ECU With ActuatorAt left rear of engine compartment. (Схема №18)
Slide Door Attachment Control LHAt center of left sliding door. (Схема №9)
Slide Door Attachment Control RHAt center of right sliding door. (Схема №9)
Transponder Key AmplifierBehind left side of dash. (Схема №19)
Transponder Key ComputerBehind upper center of dash. (Схема №19)

CONTROL UNITS LOCATION

MOTORS

ComponentLocation
Air Inlet Control Servo MotorBehind upper right side of dash. (Схема №3)
Air Mix Control Servo Motor (Driver Side)Behind left center of dash. (Схема №3)
Air Mix Control Servo Motor (Passenger Side)Behind right center of dash. (Схема №3)
Air Vent Mode Control Servo Motor (Front)Behind left center of dash. (Схема №3)
Air Vent Mode Control Servo Motor (Rear)Behind right rear quarterpanel. (Схема №7)
Back Door Lock AssemblyAt lower left center of back door. (Схема №7)
Blower Motor (Front)Behind right side of dash. (Схема №3)
Blower Motor (Rear)Behind right rear quarterpanel. (Схема №7)
Door Lock Motor Front LHAt rear of left front door. (Схема №7)
Door Lock Motor Front RHAt rear of right front door. (Схема №7)
Front Washer MotorAt right front corner of engine compartment, in washer fluid reservoir. (Схема №1)
Front Wiper MotorOn left side of firewall. (Схема №1)
Fuel PumpIn fuel tank. (Схема №7)
Headlight Beam Level Control Actuator LHBehind left headlight. (Схема №1)
Headlight Beam Level Control Actuator RHBehind right headlight. (Схема №1)
Power Back Door Drive UnitBehind left rear quarterpanel. (Схема №8)
Power Seat Motor (Reclining Control)Under left front seat. (Схема №11)
Power Seat MotorsUnder left front seat. (Схема №11)
Power Slide Door Control Motor & Clutch LHIn left sliding door. (Схема №8)
Power Slide Door Control Motor & Clutch RHIn right sliding door. (Схема №8)
Power Vent Window Motor LHBehind left rear quarterpanel. (Схема №8)
Power Vent Window Motor RHBehind right rear quarterpanel. (Схема №8)
Power Window Motor Front LHAt center of left front door. (Схема №8)
Power Window Motor Front RHAt center of right front door. (Схема №8)
Power Window Motor Rear LHAt center of left sliding door. (Схема №8)
Power Window Motor Rear RHAt center of right sliding door. (Схема №8)
Rear Washer MotorOn washer fluid reservoir. (Схема №2)
Rear Wiper MotorOn center of back door. (Схема №20)
Remote Control Mirror LHAt left front door mirror. (Схема №8)
Remote Control Mirror RHAt right front door mirror. (Схема №8)
StarterAt left rear of engine. (Схема №2)
Throttle Control MotorAt left rear of engine compartment. (Схема №2)
Water Valve Servo MotorBehind right rear quarterpanel. (Схема №10)

MOTORS LOCATION

SENDING UNITS & SENSORS

ComponentLocation
ABS Speed Sensor Front LHMounted on hub assembly of left front wheel. (Схема №1)
ABS Speed Sensor Front RHMounted on hub assembly of right front wheel. (Схема №1)
ABS Speed Sensor Rear LHMounted on hub assembly of left rear wheel. (Схема №7)
ABS Speed Sensor Rear RHMounted on hub assembly of right rear wheel. (Схема №7)
A/C Ambient Temp. SensorOn right front of engine compartment. (Схема №1)
Accel Position SensorUnder left side of dash. (Схема №3)
A/C Evaporator Temp. Sensor (Front)Behind right side of dash. (Схема №3)
A/C Evaporator Temp. Sensor (Rear)Behind right rear quarterpanel. (Схема №7)
A/C Room Temp. SensorAt left center of dash. (Схема №3)
Airbag Sensor Front LHAt left front of engine compartment. (Схема №1)
Airbag Sensor Front RHAt right front of engine compartment. (Схема №1)
Air Fuel Ratio Sensor (Bank 1 Sensor 1)On right exhaust manifold. (Схема №1)
Air Fuel Ratio Sensor (Bank 2 Sensor 1)On left exhaust manifold. (Схема №1)
Automatic Light Control SensorOn top left side of dash. (Схема №3)
Counter Gear Speed SensorOn top of transaxle. (Схема №1)
Crankshaft Position SensorOn front of engine. (Схема №1)
Engine Coolant Temp. SensorOn right front side of engine. (Схема №1)
Fuel SenderIn fuel tank. (Схема №7)
Heated Oxygen Sensor (Bank 1 Sensor 2)In exhaust, after catalytic converter. (Схема №1)
Heated Oxygen Sensor (Bank 2 Sensor 2)In exhaust. (Схема №4)
Knock Sensor 1On top of engine. (Схема №2)
Knock Sensor 2On top of engine. (Схема №2)
Laser Radar SensorBehind right side of front bumper. (Схема №2)
Mass Airflow MeterAt left rear of engine compartment, part of air intake assembly. (Схема №2)
Occupant Detection SensorUnder right front seat. (Схема №11)
Power Back Door Touch Sensor LHAt left side of back door. (Схема №8)
Power Back Door Touch Sensor RHAt right side of back door. (Схема №8)
Power Slide Door Touch Sensor LHIn left sliding door. (Схема №8)
Power Slide Door Touch Sensor RHIn right sliding door. (Схема №8)
Rear Room Temp. SensorBehind left rear quarterpanel. (Схема №9)
Seat Position Sensor (Left)Under left front seat. (Схема №7)
Side Airbag Sensor Front LHAt left "B" pillar. (Схема №9)
Side Airbag Sensor Front RHAt right "B" pillar. (Схема №9)
Side Airbag Sensor Rear LHAt left "C" pillar. (Схема №9)
Side Airbag Sensor Rear RHAt right "C" pillar. (Схема №9)
Steering SensorInside steering column. (Схема №6)
Throttle Position SensorOn throttle body assembly. (Схема №2)
Turbine Speed SensorAt rear of transaxle. (Схема №2)
Ultrasonic Sensor (Front Left)Behind left end of front bumper. (Схема №2)
Ultrasonic Sensor (Front Right)Behind right end of front bumper. (Схема №2)
Ultrasonic Sensor (Rear Left)Behind left end of rear bumper. (Схема №10)
Ultrasonic Sensor (Rear Left Center)Behind left center of rear bumper. (Схема №10)
Ultrasonic Sensor (Rear Right)Behind right end of rear bumper. (Схема №10)
Ultrasonic Sensor (Rear Right Center)Behind right center of rear bumper. (Схема №10)
Vapor Pressure SensorUnder left side of vehicle. (Схема №10)
Washer Level SensorAt right front of engine compartment. (Схема №2)
Yaw Rate SensorUnder right front seat. (Схема №10)

SENDING UNITS & SENSORS LOCATION

SOLENOIDS & SOLENOID VALVES

ComponentLocation
A/C Magnetic ClutchAt left front of engine. (Схема №1)
Camshaft Timing Oil Control Valve LHOn rear of left cylinder head. (Схема №1)
Camshaft Timing Oil Control Valve RHOn rear of right cylinder head. (Схема №1)
Electronically Controlled Transmission SolenoidOn left side of transaxle. (Схема №1)
Injector No. 1At top of right cylinder bank. (Схема №2)
Injector No. 2At top of left cylinder bank. (Схема №2)
Injector No. 3At top of right cylinder bank. (Схема №2)
Injector No. 4At top of left cylinder bank. (Схема №2)
Injector No. 5At top of right cylinder bank. (Схема №2)
Injector No. 6At top of left cylinder bank. (Схема №2)
Key Interlock SolenoidOn upper steering column. (Схема №5)
Power Slide Door Lock Assembly LHAt rear of left sliding door. (Схема №8)
Power Slide Door Lock Assembly RHAt rear of right sliding door. (Схема №8)
VSV (ACIS)On top of engine. (Схема №2)
VSV (AICV)At left rear of engine. (Схема №2)
VSV (Canister Closed Valve)Under center of vehicle. (Схема №10)
VSV (EVAP)On top right of engine. (Схема №2)
VVT Solenoid LHOn left rear of engine. (Схема №2)
VVT Solenoid RHOn center rear of engine. (Схема №2)

SOLENOIDS & SOLENOID VALVES LOCATION

SWITCHES

ComponentLocation
Back Door Opener SWAt right rear corner of vehicle. (Схема №7)
Brake Fluid Level Warning SWOn brake fluid reservoir. (Схема №1)
Buckle SW LHIn left front seat belt buckle assembly. (Схема №17)
Buckle SW RHIn right front seat belt buckle assembly. (Схема №11)
Door Courtesy SW Front LHAt left "B" pillar. (Схема №7)
Door Courtesy SW Front RHAt right "B" pillar. (Схема №7)
Door Unlock Detection SW Front LHIn rear of left front door. (Схема №7)
Door Unlock Detection SW Front RHIn rear of right front door. (Схема №7)
Engine Hood Courtesy SWOn front of engine compartment. (Схема №1)
Fuel Lid Courtesy SWAt roof, rear of left "C" pillar. (Схема №7)
Oil Pressure SWOn left front of engine block. (Схема №2)
Parking Brake SWOn parking brake lever. (Схема №6)
Park/Neutral Position SWOn transaxle. (Схема №2)
Power Steering Oil Pressure SWOn right front of engine. (Схема №2)
Pressure SWAt right front of engine compartment. (Схема №2)
Stop Light SWOn bracket, above brake pedal. (Схема №6)
Tire Pressure Warning Standardization SWOn left side of dash. (Схема №6)
Transmission Control SWAt base of shifter assembly. (Схема №6)
Unlock Warning SWOn upper steering column. (Схема №5)

SWITCHES LOCATION

MISCELLANEOUS

ComponentLocation
Airbag Squib (Front Passenger Airbag Assembly)Behind right side of dash. (Схема №3)
Airbag Squib (Steering Wheel Pad)Under steering wheel pad. (Схема №3)
Blower ResistorBehind right side of dash, on blower housing. (Схема №3)
Curtain Shield Airbag Squib Front LHAt base of left "A" pillar. (Схема №4)
Curtain Shield Airbag Squib Front RHAt base of right "A" pillar. (Схема №4)
Curtain Shield Airbag Squib Rear LHBehind left rear quarterpanel. (Схема №7)
Curtain Shield Airbag Squib Rear RHBehind right rear quarterpanel. (Схема №7)
Data Link Connector 3Below left side of dash. (Схема №4)
GeneratorAt left front of engine. (Схема №1)
Glass Antenna AmplifierBehind right side of dash. (Схема №19)
Horn (High)At front center of engine compartment. (Схема №1)
Horn (Low)At front center of engine compartment. (Схема №1)
Ignition Coil & Igniter No. 1At top of right cylinder bank. (Схема №2)
Ignition Coil & Igniter No. 2At top of left cylinder bank. (Схема №2)
Ignition Coil & Igniter No. 3At top of right cylinder bank. (Схема №2)
Ignition Coil & Igniter No. 4At top of left cylinder bank. (Схема №2)
Ignition Coil & Igniter No. 5At top of right cylinder bank. (Схема №2)
Ignition Coil & Igniter No. 6At top of left cylinder bank. (Схема №2)
Junction Connector No. 1 & 2At left side of engine compartment. (Схема №2)
Junction Connector No. 21Behind upper left center of dash. (Схема №5)
Junction Connector No. 37Forward of left rear wheelwell. (Схема №8)
Junction Connector No. 38Behind left rear quarterpanel. (Схема №8)
Junction Connector No. 39, 40 & 41In back door. (Схема №8)
Junction Connector No. 42Forward of right wheelwell. (Схема №8)
Junction Connector No. 43Behind right rear quarterpanel. (Схема №8)
Junction Connector No. 44Under left front seat. (Схема №11)
Junction Connectors No. 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 & 16Behind left end of dash. (Схема №5)
Junction Connectors No. 17, 18, 19 & 20Behind upper left side of dash. (Схема №5)
Junction Connectors No. 22, 23 & 24Behind upper center of dash. (Схема №5)
Junction Connectors No. 25 & 26Behind upper right side of dash. (Схема №5)
Junction Connectors No. 27, 28, 29, 30, 31, 32, 33, 34, 35 & 36Behind right side of dash. (Схема №5)
Mirror Heater LHAt left front door mirror. (Схема №8)
Mirror Heater RHAt right front door mirror. (Схема №8)
Noise FilterAt right front of engine. (Схема №2)
Pretensioner LHAt base of left "B" pillar. (Схема №8)
Pretensioner RHAt base of right "B" pillar. (Схема №8)
Side Airbag Squib LHIn left sliding door. (Схема №9)
Side Airbag Squib RHIn right sliding door. (Схема №9)
Stereo Component AmplifierBehind right side of dash. (Схема №19)
Television CameraAt left side of back door. (Схема №10)
Theft Deterrent HornOn right rear of engine compartment. (Схема №2)
Transponder Key AmplifierInside top of steering column. (Схема №4)
Voltage InverterAbove left rear wheelwell. (Схема №10)

MISCELLANEOUS LOCATION

CONNECTORS

ComponentLocation
BA1 (White, 12 Pin)At center front of roof. (Схема №15)
BB1 (White, 2 Pin)At left kick panel. (Схема №15)
BC1 (Black, 11 Pin)Under left front seat. (Схема №15)
BD1 (White, 18 Pin)Near base of left "C" pillar. (Схема №15)
BD2 (White, 2 Pin)Near base of left "C" pillar. (Схема №15)
BE1 (White, 7 Pin)On left rear wheelwell. (Схема №15)
BF1 (White, 2 Pin)Behind left rear quarterpanel. (Схема №15)
BG1 (White, 18 Pin)At left "D" pillar. (Схема №16)
BG2 (White, 2 Pin)At left "D" pillar. (Схема №16)
BG3 (Gray, 11 Pin)At left "D" pillar. (Схема №16)
BH1 (White, 2 Pin)At left rear corner of vehicle. (Схема №16)
BI1 (White, 8 Pin)Behind left end of rear bumper. (Схема №16)
BJ1 (White, 18 Pin)Near base of right "C" pillar. (Схема №16)
BJ2 (White, 2 Pin)Near base of right "C" pillar. (Схема №16)
BK1 (White, 8 Pin)Behind right rear quarterpanel. (Схема №16)
BK2 (White, 16 Pin)Behind right rear quarterpanel. (Схема №16)
BL1 (Black, 4 Pin)Under left front seat. (Схема №17)
BL2 (White, 4 Pin)Under left front seat. (Схема №17)
BM1 (Black/Gray, 8 Pin)Under right front seat. (Схема №17)
EA1 (Gray, 4 Pin)At right rear of engine. (Схема №12)
IA1 (White, 18 Pin)At left kick panel. (Схема №13)
IA2 (White, 12 Pin)At left kick panel. (Схема №13)
IB1 (White, 10 Pin)Behind left end of dash. (Схема №13)
IC1 (Yellow, 2 Pin)Behind left end of dash. (Схема №13)
ID1 (White, 22 Pin)Behind left side of dash. (Схема №13)
ID2 (White, 14 Pin)Behind left side of dash. (Схема №13)
IE1 (White, 18 Pin)At left side of dash. (Схема №13)
IF1 (White, 6 Pin)Behind upper center of dash. (Схема №13)
IF2 (White, 10 Pin)Behind upper center of dash. (Схема №13)
IF3 (White, 20 Pin)Behind upper center of dash. (Схема №13)
IG1 (White, 6 Pin)Behind lower center of dash. (Схема №13)
IH1 (White, 18 Pin)Behind lower center of dash. (Схема №13)
IH2 (White, 8 Pin)Behind lower center of dash. (Схема №13)
IH3 (White, 24 Pin)Behind lower center of dash. (Схема №13)
II1 (Gray, 4 Pin)Behind right side of dash. (Схема №14)
II2 (Gray, 8 Pin)Behind right side of dash. (Схема №14)
II3 (Gray, 18 Pin)Behind right side of dash. (Схема №13)
IJ1 (White, 20 Pin)Behind right side of dash. (Схема №13)
IK1 (Gray, 10 Pin)Behind right side of dash. (Схема №14)
IK2 (Yellow, 2 Pin)Behind right side of dash. (Схема №14)
IK3 (White, 2 Pin)Behind right side of dash. (Схема №14)
IL1 (White, 14 Pin)Behind right side of dash. (Схема №14)
IL2 (Gray, 2 Pin)Behind right side of dash. (Схема №14)
IM1 (White, 18 Pin)At right kick panel. (Схема №14)
IM2 (White, 12 Pin)At right kick panel. (Схема №14)

CONNECTORS LOCATION

GROUNDS

ComponentLocation
BHAt left "B" pillar. (Схема №30)
BIAt right "B" pillar. (Схема №30)
BJIn right sliding door. (Схема №30)
BKIn right sliding door. (Схема №30)
BLAt right "C" pillar. (Схема №30)
BMAt left rear quarterpanel. (Схема №30)
BNAt left side of back door. (Схема №30)
EAAt right side of engine compartment. (Схема №12)
EBAt front of engine. (Схема №12)
ECAt rear of engine. (Схема №12)
EDAt left side of engine compartment. (Схема №12)
IEAt left kick panel. (Схема №28)
IFBehind lower center of dash. (Схема №28)
IGAt right kick panel. (Схема №28)

GROUNDS LOCATION