Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator: Other Lexus RX II

BUZZERS, RELAYS & TIMERS

ComponentLocation
ACC RelayIn instrument panel J/B. (Схема №6)
A/F RelayIn engine room R/B. (Схема №3)
AIR SUS RelayIn engine room R/B. (Схема №3)
BRK RelayIn engine room R/B. (Схема №3)
C/OPN RelayIn R/B No. 1. (Схема №4)
DEICER RelayIn R/B No. 1. (Схема №4)
DRL NO. 3 RelayIn R/B No. 3. (Схема №5)
EFI MAIN RelayIn engine room R/B. (Схема №3)
FR FOG RelayIn instrument panel J/B. (Схема №6)
Headlight Cleaner Control RelayBelow right headlight assembly. (Схема №1)
Heater RelayIn R/B No. 3. (Схема №5)
HORN RelayIn engine room J/B. (Схема №3)
IG1 RelayIn instrument panel J/B. (Схема №6)
Inverter RelayLeft rear cargo area. (Схема №2)
Keyless BuzzerLeft front fender assembly. (Схема №8)
Power Back Door Warning BuzzerAt right rear taillight. (Схема №15)
Rear Wiper Motor & RelayIn center of liftgate. (Схема №2)
STARTER RelayIn engine room R/B. (Схема №3)
TAIL RelayIn instrument panel J/B. (Схема №6)
Turn Signal FlasherBehind left side of dash. (Схема №12)
VSC Warning BuzzerBehind left end of dash. (Схема №12)

BUZZERS, RELAYS & TIMERS LOCATION

CIRCUIT PROTECTION DEVICES

ComponentLocation
Engine Room R/BOn left side of engine compartment. (Схема №1)
Fusible Link BlockIn engine room R/B. (Схема №1)
Instrument Panel J/BLeft side of dash. (Схема №29)
Overhead J/BFront center of roof. (Схема №2)
J/B No. 2In engine room R/B. (Схема №1)
J/B No. 3Left side of dash. (Схема №29)
J/B No. 4Right side of dash. (Схема №29)
R/B No. 1Left side of dash. (Схема №29)
R/B No. 3Right side of engine compartment. (Схема №1)
Rear J/BLeft rear side of cargo area. (Схема №2)

CIRCUIT PROTECTION DEVICES LOCATION

CONTROL UNITS

ComponentLocation
AFS ECULeft side of dash. (Схема №29)
Auto Wiper ECUTop right side of dash. (Схема №29)
Blower Motor ControllerRight side of dash. (Схема №9)
Body ECUBehind left side of dash. (Схема №29)
Cooling Fan ECULeft front of engine compartment. (Схема №1)
Distance Control ECULeft side of dash. (Схема №29)
Door Control ReceiverTop of left "D" pillar. (Схема №2)
Engine Control ModuleBehind right side of dash. (Схема №29)
Gateway ECURight side of dash. (Схема №29)
Headlight Beam Level Control ECUBehind left end of dash. (Схема №29)
Mayday ECULeft rear of vehicle. (Схема №2)
Moon Roof Control ECU (Multi Panel Type Moon Roof)Front center of roof. (Схема №2)
Moon Roof Control ECU (Normal Type Moon Roof)On front center of moon roof. (Схема №2)
Navigation ECUAt rear of cargo area. (Схема №2)
Occupant Classification ECUAt right front seat. (Схема №30)
Power Back Door Drive UnitRight side of dash. (Схема №15)
Power Back Door ECUCenter of left "D" pillar. (Схема №2)
Power Seat ECU (Driver's Seat)Under driver's seat. (Схема №30)
Rear Seat Entertainment ECUIn right rear of cargo area. (Схема №2)
Remote Control Mirror ECU LHIn left front door. (Схема №2)
Remote Control Mirror ECU RHIn right front door. (Схема №2)
Shift Lock ECUUnder center console, beside shift lever. (Схема №29)
Skid Control ECU W/ActuatorRight front of engine compartment. (Схема №1)
Suspension Control ECUUnder right side of dash. (Схема №29)
Television Camera ECURight rear of cargo area. (Схема №2)
Tilt & Telescopic ECUAt base of steering column. (Схема №29)
Transponder Key ComputerCenter of dash. (Схема №29)

CONTROL UNITS LOCATION

MOTORS

ComponentLocation
Air Inlet Control Servo MotorBehind right side of dash. (Схема №9)
Air Mix Control Servo Motor (Driver Side)Behind left side of dash. (Схема №9)
Air Mix Control Servo Motor (Front Passenger Side)Behind right side of dash. (Схема №9)
Air Vent Mode Control Servo MotorBehind right side of dash. (Схема №9)
Blower MotorBehind right side of dash. (Схема №9)
Door Lock Motor (Driver's Side)In left front door. (Схема №13)
Door Lock Motor (Front Passenger's Side)In front passenger's door. (Схема №13)
Door Lock Motor Rear LHIn left rear door. (Схема №13)
Door Lock Motor Rear RHIn right rear door. (Схема №13)
Door Unlock Detection SW (Front Passenger's Side)In right front door. (Схема №13)
Front Washer MotorBehind right front headlight. (Схема №7)
Front Wiper MotorOn left side of firewall. (Схема №7)
Fuel Lid Opener MotorRight rear of cargo area. (Схема №13)
Fuel Pump & Fuel Sender (Main)On top of fuel tank. (Схема №13)
Headlight Cleaner MotorBelow right front headlight. (Схема №7)
Height Control Compressor AssemblyLower right side of cargo area. (Схема №2)
Power Seat Motor (Driver's Seat Front Vertical Control)In driver's seat cushion. (Схема №17)
Power Seat Motor (Driver's Seat Lifter Control)In driver's seat assembly. (Схема №17)
Power Seat Motor (Driver's Seat Lumbar Support Control)In driver's seat assembly. (Схема №17)
Power Seat Motor (Driver's Seat Reclining Control)In driver's seat. (Схема №17)
Power Seat Motor (Driver's Seat Slide Control)In driver's seat. (Схема №17)
Power Seat Motor (Front Passenger's Seat Reclining Control)In passenger's seat. (Схема №17)
Power Seat Motor (Passenger's Seat Slide Control)In passenger's seat. (Схема №17)
Power Window Motor Front LHIn left front door. (Схема №15)
Power Window Motor Front RHIn right front door. (Схема №15)
Power Window Motor Rear LHIn left rear door. (Схема №15)
Power Window Motor Rear RHIn right rear door. (Схема №15)
Rear Washer MotorRight front of engine compartment. (Схема №8)
Rear Wiper Motor & RelayIn center of liftgate. (Схема №2)
StarterAt rear of engine. (Схема №8)
Tilt MotorAt base of steering column. (Схема №12)

MOTORS LOCATION

SENDING UNITS & SENSORS

ComponentLocation
A/C Ambient Temperature SensorBehind front grille. (Схема №7)
Accel Position SensorLeft side of dash, on accelerator pedal. (Схема №9)
A/C Magnetic Clutch & Lock SensorOn A/C compressor assembly. (Схема №7)
A/C Room Temperature SensorBehind left center of dash. (Схема №9)
A/C Solar SensorBehind upper left side of dash. (Схема №9)
Airbag Sensor AssemblyBelow center console. (Схема №29)
Air Bag Sensor Front LHIn left front corner of engine compartment. (Схема №7)
Air Bag Sensor Front RHIn right front corner of engine compartment. (Схема №7)
Air Fuel Ratio Sensor (Bank 1 Sensor 1)In right exhaust manifold. (Схема №7)
Air Fuel Ratio Sensor (Bank 2 Sensor 1)In left exhaust manifold. (Схема №7)
Automatic Light Control SensorBehind upper left side of dash. (Схема №9)
Counter Gear Speed SensorOn front side of engine. (Схема №7)
Crankshaft Position SensorOn front side of engine. (Схема №7)
Engine Coolant Temperature SensorOn top front of engine. (Схема №7)
Heated Oxygen Sensor (Bank 1 Sensor 2)In exhaust, rear of catalytic converter. (Схема №7)
Heated Oxygen Sensor (Bank 2 Sensor 2)Below driver's floor, in exhaust. (Схема №10)
Height Control Sensor Front LHLeft front of engine compartment. (Схема №7)
Height Control Sensor Front LHRight rear of engine compartment. (Схема №7)
Height Control Sensor Rear LHAt left rear suspension. (Схема №13)
Height Control Sensor Rear RHAt right rear suspension. (Схема №13)
Knock Sensor No. 1On top of engine, under intake manifold. (Схема №8)
Knock Sensor No. 2On top of engine, under intake manifold. (Схема №8)
Laser SensorRight front of vehicle, below headlight. (Схема №8)
Mass Air Flow MeterNear air cleaner housing, on air duct. (Схема №8)
Occupation Classification Sensor Front LHIn left side of front passenger seat. (Схема №17)
Occupation Classification Sensor Front RHIn right side of passenger seat. (Схема №17)
Occupation Classification Sensor Rear LHLeft rear of passenger's seat. (Схема №17)
Occupation Classification Sensor Rear RHIn right rear of passenger's seat. (Схема №17)
Power Back Door Touch Sensor LHTop left "D" pillar. (Схема №15)
Power Back Door Touch Sensor RHTop right "D" pillar. (Схема №15)
Rain SensorCenter front of roof, at windshield. (Схема №15)
Seat Position Air Bag Sensor (Driver's Side)Under driver's seat. (Схема №9)
Side Airbag Sensor Front LHAt left "B" pillar. (Схема №16)
Side Airbag Sensor Front RHAt base of right "B" pillar. (Схема №16)
Side Airbag Sensor Rear LHAt base of left "C" pillar. (Схема №16)
Side Airbag Sensor Rear RHAt base of right "C" pillar. (Схема №16)
Speed Sensor Front LHOn left front wheel hub bracket. (Схема №8)
Speed Sensor Front RHOn right front wheel hub bracket. (Схема №8)
Speed Sensor Rear LHAt left rear hub assembly. (Схема №16)
Speed Sensor Rear RHAt right rear hub assembly. (Схема №16)
Steering Angle SensorIn steering column, behind steering wheel. (Схема №12)
Throttle Position SensorOn throttle body. (Схема №8)
Turbine Speed SensorOn transaxle housing. (Схема №8)
Vapor Pressure SensorUnder center rear of vehicle. (Схема №16)
VVT Sensor LHOn left rear of engine. (Схема №8)
VVT Sensor RHOn right rear of engine. (Схема №8)
Yaw Rate SensorCenter of vehicle. (Схема №16)

SENDING UNITS & SENSORS LOCATION

SOLENOIDS & SOLENOID VALVES

ComponentLocation
Electronically Controlled Transmission SolenoidIn transaxle. (Схема №7)
Height Control Solenoid Valve FrontBehind left front headlight. (Схема №7)
Height Control Solenoid Valve RearCenter rear of vehicle. (Схема №13)
Idle Air Control ValveOn left rear of engine. (Схема №7)
Injector No. 1Right side of intake manifold. (Схема №8)
Injector No. 2Left side of intake manifold. (Схема №8)
Injector No. 3Right side of intake manifold. (Схема №8)
Injector No. 4Right side of intake manifold. (Схема №8)
Injector No. 5Right side of intake manifold. (Схема №8)
Injector No. 6Left side of intake manifold. (Схема №8)
Key Interlock SolenoidLeft side of dash. (Схема №11)
Pneumatic Tank Solenoid ValveUnder driver's side floor pan. (Схема №12)
Tension Reducer Solenoid LHAt base of left "B" pillar. (Схема №16)
Tension Reducer Solenoid RHAt base of right "B" pillar. (Схема №16)
VSV (ACIS)On top center of engine. (Схема №8)
VSV (ACM)Left rear of engine. (Схема №8)
VSV (Canister Closed Valve)In left rear of engine compartment. (Схема №16)
VSV (EVAP)On top center of engine. (Схема №8)
VVT Solenoid LHTop rear of engine. (Схема №8)
VVT Solenoid RHTop rear of engine. (Схема №8)

SOLENOIDS & SOLENOID VALVES LOCATION

SWITCHES

ComponentLocation
Brake Fluid Level Warning SWIn brake fluid reservoir. (Схема №7)
Brake Pedal Load Sensing SWUnder left side of dash. (Схема №9)
Buckle SW (Front Passenger's Side)In seat belt buckle. (Схема №17)
Buckle Switch (Driver's Side)On left seat belt buckle. (Схема №9)
Door Courtesy SW Front LHAt left "B" pillar. (Схема №13)
Door Courtesy SW Front RHAt right "B" pillar. (Схема №13)
Door Courtesy SW Rear LHAt left rear "C" pillar. (Схема №13)
Door Courtesy SW Rear RHAt right rear "C" pillar. (Схема №13)
Door Unlock Detection SW (Driver's Side)In left front door. (Схема №13)
Door Unlock Detection SW Rear LHIn left rear door. (Схема №13)
Door Unlock Detection SW Rear RHIn right rear door. (Схема №13)
Engine Hood Courtesy SwitchOn front center of engine compartment. (Схема №7)
Ignition SwitchIn steering column. (Схема №11)
Main SW (Inverter)Left end of dash. (Схема №11)
Oil Pressure SwitchOn left front corner of engine. (Схема №8)
Parking Brake SWLeft end of dash. (Схема №12)
Park/Neutral Position SwitchOn transaxle. (Схема №8)
Power Steering Oil Pressure SWAt front of engine. (Схема №8)
Pressure SWRight front of engine compartment. (Схема №8)
Tire Pressure Standardization SWLeft side of dash. (Схема №12)
Unlock Warning SWUnder left side of dash. (Схема №11)
Washer Level Warning SwitchIn right front corner of engine compartment. (Схема №8)

SWITCHES LOCATION

MISCELLANEOUS

ComponentLocation
A/C AmplifierRight side of dash. (Схема №29)
A/C ThermistorLeft side of dash. (Схема №9)
Airbag Squib (Front Passenger Airbag Assembly)Right side of dash. (Схема №9)
Airbag Squib (Steering Wheel Pad)In steering column. (Схема №9)
Antenna AmplifierCenter of dash. (Схема №29)
Antenna (Mayday System)Top center of dash. (Схема №9)
Curtain Shield Airbag Squib LHLeft rear of vehicle. (Схема №13)
Curtain Shield Airbag Squib RHRight rear of vehicle. (Схема №13)
Data Link Connector No. 3Under left side of dash. (Схема №10)
Front Window DeicerLeft rear of engine compartment. (Схема №7)
GeneratorLeft side of engine. (Схема №7)
Horn LHLeft front of engine compartment. (Схема №7)
Horn RHRight front of engine compartment. (Схема №7)
Ignition Coil & Ignitor No. 1On top of each respective cylinder. (Схема №8)
Ignition Coil & Ignitor No. 2Top of left valve cover. (Схема №8)
Ignition Coil & Ignitor No. 3Top of right valve cover. (Схема №8)
Ignition Coil & Ignitor No. 4Top of left valve cover. (Схема №8)
Ignition Coil & Ignitor No. 5Top of right valve cover. (Схема №8)
Ignition Coil & Ignitor No. 6Top of left valve cover. (Схема №8)
Junction Connector No. 1In engine compartment, on right front fender. (Схема №8)
Junction Connector No. 2In right front of engine compartment, behind headlight. (Схема №8)
Junction Connector No. 3Right front of engine compartment, behind headlight. (Схема №8)
Junction Connector No. 4Left front of engine compartment, behind headlight. (Схема №8)
Junction Connectors No. 5Left front of engine compartment, behind headlight. (Схема №8)
Junction Connectors No. 6, 7, 8, 9 & 10Behind left side of dash. (Схема №11)
Junction Connector No. 11Behind left side of dash. (Схема №11)
Junction Connector No. 42Rear of cargo area. (Схема №14)
Junction Connectors No. 12, 13, 14 & 15Center of dash. (Схема №11)
Junction Connectors No. 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26 & 27Right side of dash. (Схема №11)
Junction Connectors No. 28 & 29In left front door. (Схема №14)
Junction Connectors No. 30 & 31Left rear of vehicle. (Схема №14)
Junction Connectors No. 32 & 33In right front door. (Схема №14)
Junction Connectors No. 34 & 35Left rear of vehicle, behind rear bumper. (Схема №14)
Junction Connectors No. 36, 37, 38 & 39At rear cargo area. (Схема №14)
Junction Connectors No. 40 & 41Right rear of cargo area. (Схема №14)
Junction Connectors No. 43 & 44Left rear of cargo area. (Схема №14)
Junction Connectors No. 45 & 46In driver's seat bottom. (Схема №17)
Junction Connectors No. 47 & 48In passenger's seat cushion. (Схема №17)
Knee Airbag SquibUnder left side of dash. (Схема №11)
Noise FilterAt top front of engine. (Схема №8)
Pretensioner LHIn base of left "B" pillar. (Схема №15)
Pretensioner RHIn base of left "B" pillar. (Схема №15)
Seat Heater (Driver's Seat)In driver's seat. (Схема №17)
Seat Heater (Front Passenger's Seat)In front passenger's seat. (Схема №17)
Short PinIn instrument panel J/B. (Схема №6)
Side Airbag Squib LHUnder driver's seat. (Схема №12)
Side Airbag Squib RHUnder front passenger's seat. (Схема №12)
Stereo Component AmplifierCenter rear of vehicle. (Схема №2)
Television CameraCenter rear of luggage compartment. (Схема №16)
Theft Deterrent HornIn left rear corner of engine compartment. (Схема №8)
Transponder Key AmplifierIn steering column. (Схема №29)
Voltage InverterLeft rear of cargo area. (Схема №16)

MISCELLANEOUS LOCATION

CONNECTORS

ComponentLocation
BA1 (Blue, 17 Pin)At base of left "B" pillar. (Схема №26)
BB1 (White, 17 Pin)At top left side of rear hatch. (Схема №26)
BB2 (Blue, 20 Pin)Left top of rear hatch. (Схема №26)
BB3 (Black, 2 Pin)Left top of rear hatch. (Схема №26)
BC1 (White, 17 Pin)At base of right "B" pillar. (Схема №26)
BD1 (White, 20 Pin)Left rear of cargo area. (Схема №26)
BE1 (White, 3 Pin)Left rear of cargo area. (Схема №26)
BF1 (Gray, 3 Pin)In cargo area. (Схема №26)
BG1 (White, 10 Pin)In cargo area. (Схема №26)
BH1 (White, 10 Pin)In cargo area. (Схема №26)
BI1 (Yellow, 2 Pin)Right rear of luggage compartment. (Схема №26)
BI2 (White, 32 Pin)Right rear of engine compartment. (Схема №26)
BJ1 (Gray, 6 Pin)In right front passenger's seat. (Схема №28)
EA1 (Dark Gray, 4 Pin)At right cylinder head cover. (Схема №18)
EB1 (Gray, 6 Pin)Under engine compartment J/B. (Схема №18)
EB2 (Black, 10 Pin)Left side of engine compartment. (Схема №18)
IA1 (Gray, 18 Pin)At left kick panel. (Схема №20)
IA2 (White, 20 Pin)At left kick panel. (Схема №20)
IA3 (Yellow, 2 Pin)At left kick panel. (Схема №20)
IA4 (White, 2 Pin)At left kick panel. (Схема №20)
IB1 (White, 20 Pin)At left kick panel. (Схема №20)
IB2 (Blue, 17 Pin)At left kick panel. (Схема №20)
IC1 (White, 3 Pin)At left kick panel. (Схема №20)
ID1 (Blue, 9 Pin)At left kick panel. (Схема №20)
ID2 (White, 18 Pin)At left kick panel. (Схема №20)
ID3 (Gray, 20 Pin)At left kick panel. (Схема №20)
IE1 (White, 14 Pin)At left side of dash. (Схема №23)
IE2 (White, 20 Pin)At left side of dash. (Схема №23)
IF1 (Gray, 4 Pin)Lower center of dash. (Схема №23)
IG1 (White, 17 Pin)At center of dash. (Схема №23)
IG2 (Gray, 1 Pin)Center of dash. (Схема №23)
IH1 (White, 22 Pin)At center of dash. (Схема №23)
IH2 (White, 17 Pin)Center of dash. (Схема №23)
II1 (White, 10 Pin)At center of dash. (Схема №23)
IJ1 (White, 10 Pin)Behind left side of glove box. (Схема №24)
IK1 (White, 3 Pin)Right side of dash. (Схема №24)
IL1 (White, 17 Pin)At right side of dash. (Схема №24)
IL2 (Gray, 20 Pin)At right side of dash. (Схема №24)
IM1 (White, 5 Pin)At right side of dash. (Схема №24)
IN1 (Blue, 20 Pin)At right side of dash. (Схема №24)
IO1 (White, 20 Pin)At right kick panel. (Схема №24)
IO2 (Gray, 18 Pin)At right kick panel. (Схема №24)
IO3 (Yellow, 2 Pin)At right kick panel. (Схема №24)
IP1 (Blue, 17 Pin)Right kick panel. (Схема №25)
IP2 (White, 20 Pin)Right kick panel. (Схема №25)
IQ1 (Blue, 22 Pin)Right kick panel. (Схема №25)
IQ2 (White, 2 Pin)Right kick panel. (Схема №25)
IR1 (White, 11 Pin)Right kick panel. (Схема №25)
IS1 (Blue, 9 Pin)Right kick panel. (Схема №25)
IS2 (White, 18 Pin)Right kick panel. (Схема №25)
IS3 (Gray, 20 Pin)Right kick panel. (Схема №25)

CONNECTORS LOCATION

GROUNDS

ComponentLocation
BNAt left "B" pillar. (Схема №26)
BOLeft rear of cargo area. (Схема №26)
BPLower right "B" pillar. (Схема №26)
BQBehind left side of rear bumper. (Схема №26)
BRLeft rear cargo area. (Схема №26)
BSRight rear of cargo area. (Схема №26)
BTBehind right side of rear bumper. (Схема №26)
EAAt right side of engine compartment. (Схема №18)
EBAt right of surge tank. (Схема №18)
ECAt rear of surge tank. (Схема №18)
EDFront of engine. (Схема №18)
EERear of engine. (Схема №18)
EFLeft front of engine compartment. (Схема №18)
EGLeft front of engine compartment. (Схема №18)
IHAt left side of dash. (Схема №21)
IIAt left kick panel. (Схема №21)
IJLeft top of dash. (Схема №21)
IKTop left side of dash. (Схема №21)
ILCenter of dash. (Схема №21)
IMAt right kick panel. (Схема №21)

GROUNDS LOCATION