Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator - Except Hybrid: Other Toyota Highlander II

BUZZERS, RELAYS & TIMERS

ComponentLocation
ACC RelayOn instrument panel J/B. (Схема №6)
BRK LP RelayOn engine room R/B. (Схема №5)
DEICER RelayIn engine room relay box No. 2. (Схема №7)
FAN MAIN RelayOn engine room R/B. (Схема №5)
FOG LIGHT RelayOn instrument panel J/B. (Схема №6)
FUEL PMP RelayOn engine room R/B. (Схема №5)
Glass Hatch Junction Relay No. 1Behind left quarterpanel. (Схема №18)
Glass Hatch Junction Relay No. 2In left "D" pillar. (Схема №18)
IG1 RelayOn instrument panel J/B. (Схема №6)
IG2 RelayOn engine room R/B. (Схема №5)
INVERTER RelayOn engine room R/B. (Схема №5)
MGC RelayOn engine room R/B. (Схема №5)
MIR HTR RelayIn engine room relay box No. 2. (Схема №7)
MIR LP RelayIn engine room relay box No. 2. (Схема №7)
No. 1 Glass Hatch Junction RelayIn left "D" pillar. (Схема №3)
No. 2 Glass Hatch Junction RelayIn left "D" pillar. (Схема №3)
Power Slide Back Door Warning BuzzerBase of right "D" pillar. (Схема №19)
PTC HTR1 RelayIn engine room relay box No. 2. (Схема №7)
PTC HTR2 RelayIn engine room relay box No. 2. (Схема №7)
PTC HTR3 RelayIn engine room relay box No. 2. (Схема №7)
PWR RelayOn instrument panel J/B. (Схема №6)
RR DEF RelayOn engine room R/B. (Схема №5)
Skid Control BuzzerBehind left side of dash. (Схема №15)
ST CUT RelayOn engine room R/B. (Схема №5)
ST RelayOn engine room R/B. (Схема №5)
TAIL RelayOn instrument panel J/B. (Схема №6)
Turn Signal Flasher AssemblyBehind left side of dash. (Схема №12)
Wireless Door Lock BuzzerLeft side of engine compartment. (Схема №8)

BUZZERS, RELAYS & TIMERS LOCATION

CIRCUIT PROTECTION DEVICES

ComponentLocation
Engine Room J/BLeft side of engine compartment. (Схема №1)
Engine Room R/BLeft side of engine compartment. (Схема №1)
Engine Room R/B No. 2Right side of engine compartment. (Схема №1)
Instrument Panel J/BBehind left end of dash. (Схема №2)

CIRCUIT PROTECTION DEVICES LOCATION

CONTROL UNITS

ComponentLocation
Canister Pump ModuleUnder rear of vehicle. (Схема №17)
Certification ECUBehind right side of dash. (Схема №2)
Cooling Fan ECUFront of engine compartment. (Схема №1)
ECMBehind right side of dash. (Схема №2)
Main Body ECUOn instrument panel J/B. (Схема №2)
Occupant Detection ECUUnder front passenger's seat. (Схема №4)
Power Steering ECUBehind left side of dash. (Схема №2)
Shift Lock ECUAt base of shifter lever. (Схема №2)
Skid Control ECU W/ActuatorRight front of engine compartment. (Схема №1)
Sliding Roof Control ECUFront center of headliner. (Схема №3)
Tire Pressure Warning ECUBehind right side of dash. (Схема №2)
Transponder Key ECUBehind center of dash. (Схема №2)

CONTROL UNITS LOCATION

MOTORS

ComponentLocation
A/C BlowerUnder right side of dash. (Схема №15)
Back Door Lock AssemblyBottom center of back door. (Схема №19)
Back Door Motor UnitIn left "D" pillar. (Схема №3)
Back Window Lock AssemblyTop center of back door. (Схема №19)
Blower W/Fan Motor (Front)Under right side of dash. (Схема №13)
Blower W/Fan Motor (Rear)Behind right quarterpanel. (Схема №17)
Cooling Fan MotorBehind radiator. (Схема №11)
Cooling Fan Motor No. 2Behind radiator. (Схема №11)
Front Door Lock Motor Assembly LHRear of left front door. (Схема №16)
Front Door Lock Motor Assembly RHRear of front passenger's door. (Схема №16)
Front Lumbar Support Forward & Back Motor Assembly LHIn driver's seat back. (Схема №20)
Front Power Seat Cushion Control Motor Assembly LHUnder driver's seat. (Схема №20)
Front Power Seat Lift Position Motor Assembly LHUnder driver's seat. (Схема №20)
Front Power Seat Reclining Position Motor Assembly LHIn driver's seat back. (Схема №20)
Front Power Seat Reclining Position Motor Assembly RHIn front passenger's seat back. (Схема №20)
Front Power Seat Slide Position Motor Assembly LHUnder driver's seat. (Схема №20)
Front Power Seat Slide Position Motor Assembly RHUnder front passenger's seat. (Схема №20)
Front Power Seat Vertical Position Motor Assembly LHUnder driver's seat. (Схема №20)
Front Power Window Regulator Motor Assembly LHIn left front door. (Схема №16)
Front Power Window Regulator Motor Assembly RHIn front passenger's door. (Схема №16)
Fuel PumpIn fuel tank. (Схема №18)
Power Steering MotorOn steering column. (Схема №15)
Quick Heater AssemblyBehind center of dash. (Схема №13)
Rear Door Lock Motor Assembly LHRear of left rear door. (Схема №16)
Rear Door Lock Motor Assembly RHRear of right rear door. (Схема №16)
Rear Power Window Regulator Motor Assembly LHIn left rear door. (Схема №16)
Rear Power Window Regulator Motor Assembly RHIn right rear door. (Схема №16)
Rear Windshield Washer & Pump AssemblyIn washer fluid reservoir. (Схема №9)
Rear Wiper MotorCenter of back door. (Схема №19)
StarterLeft rear of engine. (Схема №10)
Throttle Body AssemblyRear of engine. (Схема №11)
Windshield Washer & Pump AssemblyIn washer fluid reservoir. (Схема №9)
Windshield Wiper MotorLeft rear of engine compartment. (Схема №9)

MOTORS LOCATION

SENDING UNITS & SENSORS

ComponentLocation
Accelerator Pedal SensorOn accelerator pedal bracket. (Схема №15)
A/C Pressure SensorRight front engine compartment. (Схема №8)
Air Fuel Ratio Sensor (Bank 1 Sensor 1)On right exhaust manifold. (Схема №10)
Air Fuel Ratio Sensor (Bank 2 Sensor 1)On left exhaust manifold. (Схема №10)
Ambient Temperature SensorBehind center of front bumper. (Схема №8)
Automatic Light Control SensorUnder top center of dash. (Схема №15)
Center Airbag SensorUnder front of center console. (Схема №2)
Crankshaft Position SensorLeft front of engine. (Схема №10)
E.F.I. Engine Coolant Temperature SensorRear of engine. (Схема №10)
Front Airbag Sensor LHLeft front of engine compartment. (Схема №8)
Front Airbag Sensor RHRight front of engine compartment. (Схема №9)
Front Door Electrical Key Oscillator LHIn left front door outside door handle. (Схема №19)
Front Door Electrical Key Oscillator RHIn front passenger's door outside door handle. (Схема №19)
Front Indoor Electrical Key OscillatorUnder front passenger's seat. (Схема №17)
Front Room Temperature SensorBehind left side of dash. (Схема №12)
Front Side Airbag Sensor LHIn left "B" pillar. (Схема №18)
Front Side Airbag Sensor RHIn right "B" pillar. (Схема №17)
Front Speed Sensor LHLeft front wheel hub. (Схема №8)
Front Speed Sensor RHRight front wheel hub. (Схема №9)
Fuel Gauge SenderIn fuel tank. (Схема №18)
Indoor Luggage Compartment Electrical Key OscillatorLeft side of back door. (Схема №17)
Knock Control Sensor (Bank 1)Right rear of engine. (Схема №11)
Knock Control Sensor (Bank 2)Left rear of engine. (Схема №11)
Mass Air Flow MeterLeft rear of engine compartment. (Схема №10)
Oxygen Sensor (Bank 1 Sensor 2)In exhaust. (Схема №15)
Oxygen Sensor (Bank 2 Sensor 2)In left exhaust. (Схема №11)
Power Back Door Sensor Assembly LHLeft side of back door. (Схема №19)
Power Back Door Sensor Assembly RHRight side of back door. (Схема №19)
Power Steering Torque SensorBehind left side of dash. (Схема №15)
Rear Indoor Electrical Key OscillatorBehind left quarterpanel. (Схема №18)
Rear Side Airbag Sensor LHIn left "C" pillar. (Схема №18)
Rear Side Airbag Sensor RHIn right "C" pillar. (Схема №17)
Rear Speed Sensor LHLeft rear wheel hub. (Схема №19)
Rear Speed Sensor RHRight rear wheel hub. (Схема №19)
Steering SensorIn steering column. (Схема №12)
Transmission Revolution Sensor (Counter Gear)On transmission. (Схема №10)
Transmission Revolution Sensor (Turbine)On transmission. (Схема №10)
VVT Sensor (Bank 1 Exhaust)Right side of engine. (Схема №11)
VVT Sensor (Bank 1 Intake)Right front of engine. (Схема №10)
VVT Sensor (Bank 2 Exhaust)Left side of engine. (Схема №11)
VVT Sensor (Bank 2 Intake)Left front of engine. (Схема №10)
Weight Detection Sensor (Front In)Under left front side of front passenger's seat. (Схема №20)
Weight Detection Sensor (Front Out)Under right front side of front passenger's seat. (Схема №20)
Weight Detection Sensor (Rear In)Under left rear side of front passenger's seat. (Схема №20)
Weight Detection Sensor (Rear Out)Under right rear side of front passenger's seat. (Схема №20)
Yaw Rate Sensor AssemblyUnder center console. (Схема №15)

SENDING UNITS & SENSORS LOCATION

SOLENOIDS & SOLENOID VALVES

ComponentLocation
Camshaft Timing Oil Control Valve (Bank 1 Exhaust)Right front of engine. (Схема №11)
Camshaft Timing Oil Control Valve (Bank 1 Intake)Right front of engine. (Схема №10)
Camshaft Timing Oil Control Valve (Bank 2 Exhaust)Left front of engine. (Схема №11)
Camshaft Timing Oil Control Valve (Bank 2 Intake)Left front of engine. (Схема №10)
Cooler CompressorLeft front of engine. (Схема №11)
Electronically Controlled Transmission SolenoidIn transmission. (Схема №10)
Injectors No. 1, 3 & 5Top of right cylinder bank. (Схема №10)
Injectors No. 2, 4 & 6Top of left cylinder bank. (Схема №10)
Intake Air Control Valve No. 3Left side of engine. (Схема №8)
Key Inter Lock SolenoidIn steering column. (Схема №12)
Purge VSVRear of engine. (Схема №11)
Steering Lock ActuatorOn steering column. (Схема №2)
VSV (ACM)Left front of engine compartment. (Схема №10)
VSV (Purge)Top right front of engine. (Схема №11)

SOLENOIDS & SOLENOID VALVES LOCATION

SWITCHES

ComponentLocation
Brake Fluid Level Warning SwitchOn brake master cylinder reservoir. (Схема №9)
Brake Pedal Load Sensing SwitchAbove brake pedal. (Схема №15)
Engine Oil Pressure SwitchLeft side of engine. (Схема №10)
Front Door Courtesy Light Switch LHIn left "B" pillar. (Схема №18)
Front Door Courtesy Light Switch RHIn right "B" pillar. (Схема №17)
Level Warning SwitchIn washer fluid reservoir. (Схема №9)
Parking Brake SwitchAt base of parking brake pedal. (Схема №15)
Park/Neutral Position SwitchOn transmission. (Схема №10)
Rear Door Courtesy Light Switch LHIn left "C" pillar. (Схема №18)
Rear Door Courtesy Light Switch RHIn right "C" pillar. (Схема №17)
Security Courtesy SwitchNear hood latch. (Схема №8)
Stop Light SwitchAbove brake pedal. (Схема №15)
Transmission Control SwitchUnder center console. (Схема №12)

SWITCHES LOCATION

MISCELLANEOUS

ComponentLocation
A/C AmplifierBehind right side of dash. (Схема №2)
Airbag Assembly (Lower No. 1 Instrument Panel)Under left side of dash. (Схема №12)
Antenna Amplifier AssemblyBehind center of dash. (Схема №14)
Curtain Shield Airbag Assembly LHTop of left "D" pillar. (Схема №18)
Curtain Shield Airbag Assembly RHTop of right "D" pillar. (Схема №17)
DLC3Under left side of dash. (Схема №13)
Door Control ReceiverIn left "D" pillar. (Схема №3)
Driver Side Squib CircuitIn steering wheel. (Схема №15)
Driver Side Squib 2nd Step CircuitIn steering wheel. (Схема №15)
Front Passenger Side Squib CircuitBehind right side of dash. (Схема №15)
Front Pretensioner LHAt base of left "B" pillar. (Схема №18)
Front Pretensioner RHAt base of right "B" pillar. (Схема №17)
Front Seat Inner Belt Assembly LHUnder driver's seat. (Схема №20)
Front Seat Inner Belt Assembly RHUnder front passenger's seat. (Схема №20)
Front Wiper DeicerLeft rear of engine compartment. (Схема №9)
Fuel Pump ResistorRight side of engine compartment. (Схема №9)
GeneratorLeft front of engine. (Схема №11)
Horn (High Pitch)Front of engine compartment. (Схема №8)
Horn (Low Pitch)Front of engine compartment. (Схема №8)
ID Code BoxBehind center of dash. (Схема №2)
Ignition Coil Assemblies No. 1, 3 & 5Top of right cylinder bank. (Схема №11)
Ignition Coil Assemblies No. 2, 4 & 6Top of left cylinder bank. (Схема №11)
Junction Connector A12 & N19Under front passenger's seat. (Схема №20)
Junction Connector A36Behind left kick panel. (Схема №15)
Junction Connector A37Right front of engine compartment. (Схема №9)
Junction Connector A38Left front of engine compartment. (Схема №9)
Junction Connector A39Behind left side of dash. (Схема №15)
Junction Connector A40Behind left end of dash. (Схема №15)
Junction Connector B11 & O35Under driver's seat. (Схема №20)
Junction Connector (CAN)In left "D" pillar. (Схема №3)
Junction Connector D51Behind left kick panel. (Схема №13)
Junction Connector E23Behind left side of dash. (Схема №14)
Junction Connectors B46 & B47Behind right side of dash. (Схема №15)
Junction Connectors D52, D53, D55, D56 & D59Behind right side of dash. (Схема №13)
Junction Connectors D54, D57 & D58Behind left side of dash. (Схема №13)
Junction Connectors E22 & E24Behind right side of dash. (Схема №14)
Junction Connectors O21, O22, O23 & O24Behind left quarterpanel. (Схема №18)
Junction Connectors O36 & O37Behind left side of rear bumper. (Схема №18)
Junction Connector T14Left side of back door. (Схема №19)
Junction Connector T15Right side of back door. (Схема №19)
Junction Connector 038In left "D" pillar. (Схема №18)
Microphone AmplifierCenter front of headliner. (Схема №19)
Noise Filter (Ignition Bank 1)Top right rear of engine. (Схема №10)
Noise Filter (Ignition Bank 2)Top of engine. (Схема №11)
Option Connector (Remote Start) D50Behind right side of dash. (Схема №13)
Option Connector (Security) D48Behind right side of dash. (Схема №13)
Option Connector (Security Light) D49Behind left side of dash. (Схема №13)
Outside Luggage Electrical Key AntennaBehind left side of rear bumper. (Схема №18)
Rear Cooling UnitAt right "D" pillar. (Схема №17)
Rear Evaporator Sub-AssemblyBehind right quarterpanel. (Схема №17)
Security Horn AssemblyLeft rear of engine compartment. (Схема №8)
Side Airbag Squib Circuit LHUnder driver's seat. (Схема №20)
Side Airbag Squib Circuit RHUnder front passenger's seat. (Схема №20)
Spiral Cable AssemblyIn steering column. (Схема №12)
Stereo Component AmplifierBehind left quarterpanel. (Схема №17)
Stereo Component Amplifier AssemblyUnder front passenger's seat. (Схема №3)
Television Camera AssemblyCenter of back door. (Схема №19)
Tire Pressure Warning Antenna & ReceiverCenter rear of headliner. (Схема №3)
Towing ConverterUnder left side of dash. (Схема №15)
Trailer HitchBehind left corner of rear bumper. (Схема №18)
Transponder Key AmplifierOn steering column. (Схема №2)
Turn Signal FlasherBehind left side of dash. (Схема №2)
Voltage InverterUnder center console. (Схема №15)

MISCELLANEOUS LOCATION

CONNECTORS

ComponentLocation
AD1 (Yellow, 2 Pin)Behind right kick panel. (Схема №22)
AD2 (White, 2 Pin)Behind right kick panel. (Схема №22)
AD3 (Blue, 18 Pin)Behind left kick panel. (Схема №22)
AD4 (Gray, 20 Pin)Behind left kick panel. (Схема №22)
AD5 (White, 1 Pin)Behind left kick panel. (Схема №22)
AD6 (Yellow, 2 Pin)Behind left kick panel. (Схема №22)
AD7 (White, 2 Pin)Behind left kick panel. (Схема №22)
AD8 (Blue, 18 Pin)Behind right kick panel. (Схема №22)
AD9 (Gray, 20 Pin)Behind right kick panel. (Схема №22)
AD10 (White, 3 Pin)Behind right kick panel. (Схема №22)
AN1 (White, 8 Pin)Behind right kick panel. (Схема №22)
AO1 (White, 2 Pin)Behind left kick panel. (Схема №22)
BA1 (White, 15 Pin)Left side of engine compartment. (Схема №21)
BB1 (White, 5 Pin)Behind right side of dash. (Схема №22)
Bd1 (Gray, 4 Pin)Left side of engine. (Схема №21)
BD1 (Gray, 20 Pin)Behind right side of dash. (Схема №22)
BD2 (Gray, 12 Pin)Behind right side of dash. (Схема №22)
DD1 (Gray, 4 Pin)Behind right side of dash. (Схема №22)
De1 (Yellow, 4 Pin)Behind right side of dash. (Схема №24)
Dg1 (White, 10 Pin)Under right side of center console. (Схема №24)
DN1 (White, 2 Pin)Behind right kick panel. (Схема №22)
DN2 (Black, 18 Pin)Behind right kick panel. (Схема №22)
DN3 (Black, 20 Pin)Behind right kick panel. (Схема №22)
DO1 (Gray, 12 Pin)Behind left kick panel. (Схема №22)
DO2 (Black, 18 Pin)Behind left kick panel. (Схема №22)
DO3 (White, 20 Pin)Behind left kick panel. (Схема №22)
DP1 (Gray, 4 Pin)Under left side of center console. (Схема №24)
ED1 (White, 17 Pin)Behind left side of dash. (Схема №24)
ED2 (Blue, 18 Pin)Behind right side of dash. (Схема №24)
ED3 (Black, 18 Pin)Behind right side of dash. (Схема №24)
ED4 (White, 20 Pin)Behind left side of dash. (Схема №24)
ED5 (Gray, 20 Pin)Behind right side of dash. (Схема №24)
FE1 (White, 4 Pin)Behind right end of dash. (Схема №24)
FE1 (White, 8 Pin)Behind left side of dash. (Схема №24)
GD1 (Black, 18 Pin)Behind right kick panel. (Схема №24)
GD2 (White, 18 Pin)Behind right kick panel. (Схема №24)
Gz1 (Gray, 8 Pin)Top of left "D" pillar. (Схема №25)
HD1 (Black, 18 Pin)Behind left kick panel. (Схема №24)
HD2 (White, 18 Pin)Behind left kick panel. (Схема №24)
HM1 (White, 18 Pin)In driver's door. (Схема №25)
HT1 (Black, 3 Pin)Center of back door. (Схема №25)
HT2 (Blue, 3 Pin)Center of back door. (Схема №25)
Hz1 (Gray, 8 Pin)In driver's door. (Схема №25)
JN1 (Gray, 12 Pin)Behind right rear quarterpanel. (Схема №25)
KO1 (Gray, 12 Pin)At left "B" pillar. (Схема №25)
Na1 (Gray, 6 Pin)Under front passenger's seat. (Схема №27)
NE1 (White, 12 Pin)Under right side of center console. (Схема №24)
NE2 (Black, 20 Pin)Under right side of center console. (Схема №24)
NO1 (White, 18 Pin)Base of right "D" pillar. (Схема №25)
OD1 (Gray, 20 Pin)Under left side of center console. (Схема №24)
QE1 (White, 18 Pin)Base of left "A" pillar. (Схема №24)
QE2 (Blue, 22 Pin)Base of left "A" pillar. (Схема №24)
QO1 (White, 4 Pin)Top of left "D" pillar. (Схема №25)
RD1 (White, 10 Pin)Under right side of center console. (Схема №24)
ST1 (White, 4 Pin)Behind right rear quarterpanel. (Схема №25)
WO1 (Black, 2 Pin)Center rear of headliner. (Схема №25)
WO2 (White, 4 Pin)Center rear of headliner. (Схема №25)
WY1 (White, 2 Pin)Center rear of headliner. (Схема №25)
WY2 (Blue, 2 Pin)Center rear of headliner. (Схема №25)
XO1 (White, 18 Pin)Center rear of headliner. (Схема №25)
XO2 (Blue, 14 Pin)Center rear of headliner. (Схема №25)
XO3 (Black, 2 Pin)Center rear of headliner. (Схема №25)
XT1 (White, 2 Pin)Right rear of headliner. (Схема №25)
XT2 (White, 18 Pin)Right rear of headliner. (Схема №25)
XT3 (White, 14 Pin)Right rear of headliner. (Схема №25)
ZN1 (Black, 2 Pin)Behind right rear quarterpanel. (Схема №25)
ZO1 (Black, 2 Pin)Behind left rear quarterpanel. (Схема №25)

CONNECTORS LOCATION

GROUNDS

ComponentLocation
A1Behind right front headlight. (Схема №21)
A2Behind right front headlight. (Схема №21)
A3Behind left front headlight. (Схема №21)
A4Behind left end of dash. (Схема №23)
A5Behind right front headlight. (Схема №21)
A6Behind left front headlight. (Схема №21)
B1Top right side of engine. (Схема №21)
B2Top left side of engine. (Схема №21)
D1Behind right kick panel. (Схема №23)
D2Behind center of dash. (Схема №23)
D3Behind right side of dash. (Схема №23)
D4Behind left kick panel. (Схема №23)
D5Behind left end of dash. (Схема №23)
D6Behind center of dash. (Схема №23)
D7Behind center of dash. (Схема №23)
E1Behind left side of dash. (Схема №23)
E2Behind right center of dash. (Схема №23)
N1In left "D" pillar. (Схема №26)
N2In right "D" pillar. (Схема №26)
O1In left "B" pillar. (Схема №26)
O2Behind left rear wheelwell. (Схема №26)
O3Behind right side of rear bumper. (Схема №26)
O4Behind left side of rear bumper. (Схема №26)
T1Left side of back door. (Схема №26)

GROUNDS LOCATION